author | Eric Taylor <Eric.Taylor@Sun.COM> |
Tue, 25 Nov 2008 13:36:43 -0700 | |
changeset 8228 | 51e9ca9ee3a5 |
parent 7509 | 24f6b0f4654f |
child 8269 | 03a7e9050cfd |
permissions | -rw-r--r-- |
789 | 1 |
/* |
2 |
* CDDL HEADER START |
|
3 |
* |
|
4 |
* The contents of this file are subject to the terms of the |
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1544 | 5 |
* Common Development and Distribution License (the "License"). |
6 |
* You may not use this file except in compliance with the License. |
|
789 | 7 |
* |
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* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE |
|
9 |
* or http://www.opensolaris.org/os/licensing. |
|
10 |
* See the License for the specific language governing permissions |
|
11 |
* and limitations under the License. |
|
12 |
* |
|
13 |
* When distributing Covered Code, include this CDDL HEADER in each |
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* file and include the License file at usr/src/OPENSOLARIS.LICENSE. |
|
15 |
* If applicable, add the following below this CDDL HEADER, with the |
|
16 |
* fields enclosed by brackets "[]" replaced with your own identifying |
|
17 |
* information: Portions Copyright [yyyy] [name of copyright owner] |
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* |
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* CDDL HEADER END |
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20 |
*/ |
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789 | 22 |
/* |
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* Copyright 2008 Sun Microsystems, Inc. All rights reserved. |
789 | 24 |
* Use is subject to license terms. |
25 |
*/ |
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26 |
||
27 |
#include <assert.h> |
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28 |
#include <ctype.h> |
|
29 |
#include <errno.h> |
|
30 |
#include <libdevinfo.h> |
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31 |
#include <libintl.h> |
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32 |
#include <math.h> |
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33 |
#include <stdio.h> |
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34 |
#include <stdlib.h> |
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35 |
#include <strings.h> |
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36 |
#include <unistd.h> |
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5367 | 37 |
#include <stddef.h> |
789 | 38 |
#include <zone.h> |
2082 | 39 |
#include <fcntl.h> |
789 | 40 |
#include <sys/mntent.h> |
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#include <sys/mount.h> |
4543 | 42 |
#include <sys/avl.h> |
43 |
#include <priv.h> |
|
44 |
#include <pwd.h> |
|
45 |
#include <grp.h> |
|
46 |
#include <stddef.h> |
|
47 |
#include <ucred.h> |
|
789 | 48 |
|
49 |
#include <sys/spa.h> |
|
2676 | 50 |
#include <sys/zap.h> |
789 | 51 |
#include <libzfs.h> |
52 |
||
53 |
#include "zfs_namecheck.h" |
|
54 |
#include "zfs_prop.h" |
|
55 |
#include "libzfs_impl.h" |
|
4543 | 56 |
#include "zfs_deleg.h" |
789 | 57 |
|
4007 | 58 |
static int zvol_create_link_common(libzfs_handle_t *, const char *, int); |
59 |
||
789 | 60 |
/* |
61 |
* Given a single type (not a mask of types), return the type in a human |
|
62 |
* readable form. |
|
63 |
*/ |
|
64 |
const char * |
|
65 |
zfs_type_to_name(zfs_type_t type) |
|
66 |
{ |
|
67 |
switch (type) { |
|
68 |
case ZFS_TYPE_FILESYSTEM: |
|
69 |
return (dgettext(TEXT_DOMAIN, "filesystem")); |
|
70 |
case ZFS_TYPE_SNAPSHOT: |
|
71 |
return (dgettext(TEXT_DOMAIN, "snapshot")); |
|
72 |
case ZFS_TYPE_VOLUME: |
|
73 |
return (dgettext(TEXT_DOMAIN, "volume")); |
|
74 |
} |
|
75 |
||
76 |
return (NULL); |
|
77 |
} |
|
78 |
||
79 |
/* |
|
80 |
* Given a path and mask of ZFS types, return a string describing this dataset. |
|
81 |
* This is used when we fail to open a dataset and we cannot get an exact type. |
|
82 |
* We guess what the type would have been based on the path and the mask of |
|
83 |
* acceptable types. |
|
84 |
*/ |
|
85 |
static const char * |
|
86 |
path_to_str(const char *path, int types) |
|
87 |
{ |
|
88 |
/* |
|
89 |
* When given a single type, always report the exact type. |
|
90 |
*/ |
|
91 |
if (types == ZFS_TYPE_SNAPSHOT) |
|
92 |
return (dgettext(TEXT_DOMAIN, "snapshot")); |
|
93 |
if (types == ZFS_TYPE_FILESYSTEM) |
|
94 |
return (dgettext(TEXT_DOMAIN, "filesystem")); |
|
95 |
if (types == ZFS_TYPE_VOLUME) |
|
96 |
return (dgettext(TEXT_DOMAIN, "volume")); |
|
97 |
||
98 |
/* |
|
99 |
* The user is requesting more than one type of dataset. If this is the |
|
100 |
* case, consult the path itself. If we're looking for a snapshot, and |
|
101 |
* a '@' is found, then report it as "snapshot". Otherwise, remove the |
|
102 |
* snapshot attribute and try again. |
|
103 |
*/ |
|
104 |
if (types & ZFS_TYPE_SNAPSHOT) { |
|
105 |
if (strchr(path, '@') != NULL) |
|
106 |
return (dgettext(TEXT_DOMAIN, "snapshot")); |
|
107 |
return (path_to_str(path, types & ~ZFS_TYPE_SNAPSHOT)); |
|
108 |
} |
|
109 |
||
110 |
/* |
|
111 |
* The user has requested either filesystems or volumes. |
|
112 |
* We have no way of knowing a priori what type this would be, so always |
|
113 |
* report it as "filesystem" or "volume", our two primitive types. |
|
114 |
*/ |
|
115 |
if (types & ZFS_TYPE_FILESYSTEM) |
|
116 |
return (dgettext(TEXT_DOMAIN, "filesystem")); |
|
117 |
||
118 |
assert(types & ZFS_TYPE_VOLUME); |
|
119 |
return (dgettext(TEXT_DOMAIN, "volume")); |
|
120 |
} |
|
121 |
||
122 |
/* |
|
123 |
* Validate a ZFS path. This is used even before trying to open the dataset, to |
|
124 |
* provide a more meaningful error message. We place a more useful message in |
|
125 |
* 'buf' detailing exactly why the name was not valid. |
|
126 |
*/ |
|
127 |
static int |
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128 |
zfs_validate_name(libzfs_handle_t *hdl, const char *path, int type, |
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129 |
boolean_t modifying) |
789 | 130 |
{ |
131 |
namecheck_err_t why; |
|
132 |
char what; |
|
133 |
||
134 |
if (dataset_namecheck(path, &why, &what) != 0) { |
|
2082 | 135 |
if (hdl != NULL) { |
789 | 136 |
switch (why) { |
1003 | 137 |
case NAME_ERR_TOOLONG: |
2082 | 138 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
139 |
"name is too long")); |
|
1003 | 140 |
break; |
141 |
||
789 | 142 |
case NAME_ERR_LEADING_SLASH: |
2082 | 143 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
144 |
"leading slash in name")); |
|
789 | 145 |
break; |
146 |
||
147 |
case NAME_ERR_EMPTY_COMPONENT: |
|
2082 | 148 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
149 |
"empty component in name")); |
|
789 | 150 |
break; |
151 |
||
152 |
case NAME_ERR_TRAILING_SLASH: |
|
2082 | 153 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
154 |
"trailing slash in name")); |
|
789 | 155 |
break; |
156 |
||
157 |
case NAME_ERR_INVALCHAR: |
|
2082 | 158 |
zfs_error_aux(hdl, |
789 | 159 |
dgettext(TEXT_DOMAIN, "invalid character " |
2082 | 160 |
"'%c' in name"), what); |
789 | 161 |
break; |
162 |
||
163 |
case NAME_ERR_MULTIPLE_AT: |
|
2082 | 164 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
165 |
"multiple '@' delimiters in name")); |
|
789 | 166 |
break; |
2856 | 167 |
|
168 |
case NAME_ERR_NOLETTER: |
|
169 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
|
170 |
"pool doesn't begin with a letter")); |
|
171 |
break; |
|
172 |
||
173 |
case NAME_ERR_RESERVED: |
|
174 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
|
175 |
"name is reserved")); |
|
176 |
break; |
|
177 |
||
178 |
case NAME_ERR_DISKLIKE: |
|
179 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
|
180 |
"reserved disk name")); |
|
181 |
break; |
|
789 | 182 |
} |
183 |
} |
|
184 |
||
185 |
return (0); |
|
186 |
} |
|
187 |
||
188 |
if (!(type & ZFS_TYPE_SNAPSHOT) && strchr(path, '@') != NULL) { |
|
2082 | 189 |
if (hdl != NULL) |
190 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
|
191 |
"snapshot delimiter '@' in filesystem name")); |
|
789 | 192 |
return (0); |
193 |
} |
|
194 |
||
2199 | 195 |
if (type == ZFS_TYPE_SNAPSHOT && strchr(path, '@') == NULL) { |
196 |
if (hdl != NULL) |
|
197 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
|
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198 |
"missing '@' delimiter in snapshot name")); |
2199 | 199 |
return (0); |
200 |
} |
|
201 |
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202 |
if (modifying && strchr(path, '%') != NULL) { |
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if (hdl != NULL) |
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zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
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"invalid character %c in name"), '%'); |
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206 |
return (0); |
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207 |
} |
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208 |
|
2082 | 209 |
return (-1); |
789 | 210 |
} |
211 |
||
212 |
int |
|
213 |
zfs_name_valid(const char *name, zfs_type_t type) |
|
214 |
{ |
|
6423 | 215 |
if (type == ZFS_TYPE_POOL) |
216 |
return (zpool_name_valid(NULL, B_FALSE, name)); |
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217 |
return (zfs_validate_name(NULL, name, type, B_FALSE)); |
789 | 218 |
} |
219 |
||
220 |
/* |
|
2676 | 221 |
* This function takes the raw DSL properties, and filters out the user-defined |
222 |
* properties into a separate nvlist. |
|
223 |
*/ |
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static nvlist_t * |
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225 |
process_user_props(zfs_handle_t *zhp, nvlist_t *props) |
2676 | 226 |
{ |
227 |
libzfs_handle_t *hdl = zhp->zfs_hdl; |
|
228 |
nvpair_t *elem; |
|
229 |
nvlist_t *propval; |
|
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230 |
nvlist_t *nvl; |
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231 |
|
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232 |
if (nvlist_alloc(&nvl, NV_UNIQUE_NAME, 0) != 0) { |
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233 |
(void) no_memory(hdl); |
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234 |
return (NULL); |
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|
235 |
} |
2676 | 236 |
|
237 |
elem = NULL; |
|
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|
238 |
while ((elem = nvlist_next_nvpair(props, elem)) != NULL) { |
2676 | 239 |
if (!zfs_prop_user(nvpair_name(elem))) |
240 |
continue; |
|
241 |
||
242 |
verify(nvpair_value_nvlist(elem, &propval) == 0); |
|
4217
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|
243 |
if (nvlist_add_nvlist(nvl, nvpair_name(elem), propval) != 0) { |
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|
244 |
nvlist_free(nvl); |
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245 |
(void) no_memory(hdl); |
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246 |
return (NULL); |
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|
247 |
} |
2676 | 248 |
} |
249 |
||
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|
250 |
return (nvl); |
2676 | 251 |
} |
252 |
||
6865 | 253 |
static zpool_handle_t * |
254 |
zpool_add_handle(zfs_handle_t *zhp, const char *pool_name) |
|
255 |
{ |
|
256 |
libzfs_handle_t *hdl = zhp->zfs_hdl; |
|
257 |
zpool_handle_t *zph; |
|
258 |
||
259 |
if ((zph = zpool_open_canfail(hdl, pool_name)) != NULL) { |
|
260 |
if (hdl->libzfs_pool_handles != NULL) |
|
261 |
zph->zpool_next = hdl->libzfs_pool_handles; |
|
262 |
hdl->libzfs_pool_handles = zph; |
|
263 |
} |
|
264 |
return (zph); |
|
265 |
} |
|
266 |
||
267 |
static zpool_handle_t * |
|
268 |
zpool_find_handle(zfs_handle_t *zhp, const char *pool_name, int len) |
|
269 |
{ |
|
270 |
libzfs_handle_t *hdl = zhp->zfs_hdl; |
|
271 |
zpool_handle_t *zph = hdl->libzfs_pool_handles; |
|
272 |
||
273 |
while ((zph != NULL) && |
|
274 |
(strncmp(pool_name, zpool_get_name(zph), len) != 0)) |
|
275 |
zph = zph->zpool_next; |
|
276 |
return (zph); |
|
277 |
} |
|
278 |
||
279 |
/* |
|
280 |
* Returns a handle to the pool that contains the provided dataset. |
|
281 |
* If a handle to that pool already exists then that handle is returned. |
|
282 |
* Otherwise, a new handle is created and added to the list of handles. |
|
283 |
*/ |
|
284 |
static zpool_handle_t * |
|
285 |
zpool_handle(zfs_handle_t *zhp) |
|
286 |
{ |
|
287 |
char *pool_name; |
|
288 |
int len; |
|
289 |
zpool_handle_t *zph; |
|
290 |
||
291 |
len = strcspn(zhp->zfs_name, "/@") + 1; |
|
292 |
pool_name = zfs_alloc(zhp->zfs_hdl, len); |
|
293 |
(void) strlcpy(pool_name, zhp->zfs_name, len); |
|
294 |
||
295 |
zph = zpool_find_handle(zhp, pool_name, len); |
|
296 |
if (zph == NULL) |
|
297 |
zph = zpool_add_handle(zhp, pool_name); |
|
298 |
||
299 |
free(pool_name); |
|
300 |
return (zph); |
|
301 |
} |
|
302 |
||
303 |
void |
|
304 |
zpool_free_handles(libzfs_handle_t *hdl) |
|
305 |
{ |
|
306 |
zpool_handle_t *next, *zph = hdl->libzfs_pool_handles; |
|
307 |
||
308 |
while (zph != NULL) { |
|
309 |
next = zph->zpool_next; |
|
310 |
zpool_close(zph); |
|
311 |
zph = next; |
|
312 |
} |
|
313 |
hdl->libzfs_pool_handles = NULL; |
|
314 |
} |
|
315 |
||
2676 | 316 |
/* |
789 | 317 |
* Utility function to gather stats (objset and zpl) for the given object. |
318 |
*/ |
|
319 |
static int |
|
8228
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6572357 libzfs should do more to avoid mnttab lookups
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|
320 |
get_stats_ioctl(zfs_handle_t *zhp, zfs_cmd_t *zc) |
789 | 321 |
{ |
2676 | 322 |
libzfs_handle_t *hdl = zhp->zfs_hdl; |
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323 |
|
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324 |
(void) strlcpy(zc->zc_name, zhp->zfs_name, sizeof (zc->zc_name)); |
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|
325 |
|
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|
326 |
while (ioctl(hdl->libzfs_fd, ZFS_IOC_OBJSET_STATS, zc) != 0) { |
1356
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|
327 |
if (errno == ENOMEM) { |
8228
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328 |
if (zcmd_expand_dst_nvlist(hdl, zc) != 0) { |
2082 | 329 |
return (-1); |
2676 | 330 |
} |
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|
331 |
} else { |
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|
332 |
return (-1); |
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|
333 |
} |
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|
334 |
} |
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335 |
return (0); |
51e9ca9ee3a5
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|
336 |
} |
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|
337 |
|
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|
338 |
static int |
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|
339 |
put_stats_zhdl(zfs_handle_t *zhp, zfs_cmd_t *zc) |
51e9ca9ee3a5
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|
340 |
{ |
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|
341 |
nvlist_t *allprops, *userprops; |
51e9ca9ee3a5
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|
342 |
|
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|
343 |
zhp->zfs_dmustats = zc->zc_objset_stats; /* structure assignment */ |
51e9ca9ee3a5
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|
344 |
|
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diff
changeset
|
345 |
if (zcmd_read_dst_nvlist(zhp->zfs_hdl, zc, &allprops) != 0) { |
2082 | 346 |
return (-1); |
347 |
} |
|
789 | 348 |
|
4217
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6552521 truss dumps core with multibyte characters in syscall args
eschrock
parents:
4183
diff
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|
349 |
if ((userprops = process_user_props(zhp, allprops)) == NULL) { |
3411a82f178f
6552521 truss dumps core with multibyte characters in syscall args
eschrock
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diff
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|
350 |
nvlist_free(allprops); |
2676 | 351 |
return (-1); |
4217
3411a82f178f
6552521 truss dumps core with multibyte characters in syscall args
eschrock
parents:
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diff
changeset
|
352 |
} |
3411a82f178f
6552521 truss dumps core with multibyte characters in syscall args
eschrock
parents:
4183
diff
changeset
|
353 |
|
3411a82f178f
6552521 truss dumps core with multibyte characters in syscall args
eschrock
parents:
4183
diff
changeset
|
354 |
nvlist_free(zhp->zfs_props); |
3411a82f178f
6552521 truss dumps core with multibyte characters in syscall args
eschrock
parents:
4183
diff
changeset
|
355 |
nvlist_free(zhp->zfs_user_props); |
3411a82f178f
6552521 truss dumps core with multibyte characters in syscall args
eschrock
parents:
4183
diff
changeset
|
356 |
|
3411a82f178f
6552521 truss dumps core with multibyte characters in syscall args
eschrock
parents:
4183
diff
changeset
|
357 |
zhp->zfs_props = allprops; |
3411a82f178f
6552521 truss dumps core with multibyte characters in syscall args
eschrock
parents:
4183
diff
changeset
|
358 |
zhp->zfs_user_props = userprops; |
2082 | 359 |
|
789 | 360 |
return (0); |
361 |
} |
|
362 |
||
8228
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|
363 |
static int |
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|
364 |
get_stats(zfs_handle_t *zhp) |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
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changeset
|
365 |
{ |
51e9ca9ee3a5
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|
366 |
int rc = 0; |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
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|
367 |
zfs_cmd_t zc = { 0 }; |
51e9ca9ee3a5
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|
368 |
|
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6572357 libzfs should do more to avoid mnttab lookups
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|
369 |
if (zcmd_alloc_dst_nvlist(zhp->zfs_hdl, &zc, 0) != 0) |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
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|
370 |
return (-1); |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
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changeset
|
371 |
if (get_stats_ioctl(zhp, &zc) != 0) |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
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|
372 |
rc = -1; |
51e9ca9ee3a5
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|
373 |
else if (put_stats_zhdl(zhp, &zc) != 0) |
51e9ca9ee3a5
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|
374 |
rc = -1; |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
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changeset
|
375 |
zcmd_free_nvlists(&zc); |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
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changeset
|
376 |
return (rc); |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
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diff
changeset
|
377 |
} |
51e9ca9ee3a5
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Eric Taylor <Eric.Taylor@Sun.COM>
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changeset
|
378 |
|
789 | 379 |
/* |
380 |
* Refresh the properties currently stored in the handle. |
|
381 |
*/ |
|
382 |
void |
|
383 |
zfs_refresh_properties(zfs_handle_t *zhp) |
|
384 |
{ |
|
385 |
(void) get_stats(zhp); |
|
386 |
} |
|
387 |
||
388 |
/* |
|
389 |
* Makes a handle from the given dataset name. Used by zfs_open() and |
|
390 |
* zfs_iter_* to create child handles on the fly. |
|
391 |
*/ |
|
8228
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
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diff
changeset
|
392 |
static int |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
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diff
changeset
|
393 |
make_dataset_handle_common(zfs_handle_t *zhp, zfs_cmd_t *zc) |
789 | 394 |
{ |
4543 | 395 |
char *logstr; |
8228
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
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diff
changeset
|
396 |
libzfs_handle_t *hdl = zhp->zfs_hdl; |
789 | 397 |
|
4543 | 398 |
/* |
399 |
* Preserve history log string. |
|
400 |
* any changes performed here will be |
|
401 |
* logged as an internal event. |
|
402 |
*/ |
|
403 |
logstr = zhp->zfs_hdl->libzfs_log_str; |
|
404 |
zhp->zfs_hdl->libzfs_log_str = NULL; |
|
8228
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
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diff
changeset
|
405 |
|
1758
d0750a16db04
6397267 assertion failed: (link->list_next == 0) == (link->list_prev == 0)
ahrens
parents:
1749
diff
changeset
|
406 |
top: |
8228
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6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
407 |
if (put_stats_zhdl(zhp, zc) != 0) { |
4543 | 408 |
zhp->zfs_hdl->libzfs_log_str = logstr; |
8228
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Eric Taylor <Eric.Taylor@Sun.COM>
parents:
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diff
changeset
|
409 |
return (-1); |
789 | 410 |
} |
411 |
||
8228
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Eric Taylor <Eric.Taylor@Sun.COM>
parents:
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diff
changeset
|
412 |
|
1758
d0750a16db04
6397267 assertion failed: (link->list_next == 0) == (link->list_prev == 0)
ahrens
parents:
1749
diff
changeset
|
413 |
if (zhp->zfs_dmustats.dds_inconsistent) { |
8228
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
414 |
zfs_cmd_t zc2 = { 0 }; |
1758
d0750a16db04
6397267 assertion failed: (link->list_next == 0) == (link->list_prev == 0)
ahrens
parents:
1749
diff
changeset
|
415 |
|
d0750a16db04
6397267 assertion failed: (link->list_next == 0) == (link->list_prev == 0)
ahrens
parents:
1749
diff
changeset
|
416 |
/* |
d0750a16db04
6397267 assertion failed: (link->list_next == 0) == (link->list_prev == 0)
ahrens
parents:
1749
diff
changeset
|
417 |
* If it is dds_inconsistent, then we've caught it in |
d0750a16db04
6397267 assertion failed: (link->list_next == 0) == (link->list_prev == 0)
ahrens
parents:
1749
diff
changeset
|
418 |
* the middle of a 'zfs receive' or 'zfs destroy', and |
d0750a16db04
6397267 assertion failed: (link->list_next == 0) == (link->list_prev == 0)
ahrens
parents:
1749
diff
changeset
|
419 |
* it is inconsistent from the ZPL's point of view, so |
d0750a16db04
6397267 assertion failed: (link->list_next == 0) == (link->list_prev == 0)
ahrens
parents:
1749
diff
changeset
|
420 |
* can't be mounted. However, it could also be that we |
d0750a16db04
6397267 assertion failed: (link->list_next == 0) == (link->list_prev == 0)
ahrens
parents:
1749
diff
changeset
|
421 |
* have crashed in the middle of one of those |
d0750a16db04
6397267 assertion failed: (link->list_next == 0) == (link->list_prev == 0)
ahrens
parents:
1749
diff
changeset
|
422 |
* operations, in which case we need to get rid of the |
d0750a16db04
6397267 assertion failed: (link->list_next == 0) == (link->list_prev == 0)
ahrens
parents:
1749
diff
changeset
|
423 |
* inconsistent state. We do that by either rolling |
d0750a16db04
6397267 assertion failed: (link->list_next == 0) == (link->list_prev == 0)
ahrens
parents:
1749
diff
changeset
|
424 |
* back to the previous snapshot (which will fail if |
d0750a16db04
6397267 assertion failed: (link->list_next == 0) == (link->list_prev == 0)
ahrens
parents:
1749
diff
changeset
|
425 |
* there is none), or destroying the filesystem. Note |
d0750a16db04
6397267 assertion failed: (link->list_next == 0) == (link->list_prev == 0)
ahrens
parents:
1749
diff
changeset
|
426 |
* that if we are still in the middle of an active |
d0750a16db04
6397267 assertion failed: (link->list_next == 0) == (link->list_prev == 0)
ahrens
parents:
1749
diff
changeset
|
427 |
* 'receive' or 'destroy', then the rollback and destroy |
d0750a16db04
6397267 assertion failed: (link->list_next == 0) == (link->list_prev == 0)
ahrens
parents:
1749
diff
changeset
|
428 |
* will fail with EBUSY and we will drive on as usual. |
d0750a16db04
6397267 assertion failed: (link->list_next == 0) == (link->list_prev == 0)
ahrens
parents:
1749
diff
changeset
|
429 |
*/ |
d0750a16db04
6397267 assertion failed: (link->list_next == 0) == (link->list_prev == 0)
ahrens
parents:
1749
diff
changeset
|
430 |
|
8228
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
431 |
(void) strlcpy(zc2.zc_name, zhp->zfs_name, |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
432 |
sizeof (zc2.zc_name)); |
1758
d0750a16db04
6397267 assertion failed: (link->list_next == 0) == (link->list_prev == 0)
ahrens
parents:
1749
diff
changeset
|
433 |
|
2885 | 434 |
if (zhp->zfs_dmustats.dds_type == DMU_OST_ZVOL) { |
2082 | 435 |
(void) zvol_remove_link(hdl, zhp->zfs_name); |
8228
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
436 |
zc2.zc_objset_type = DMU_OST_ZVOL; |
1758
d0750a16db04
6397267 assertion failed: (link->list_next == 0) == (link->list_prev == 0)
ahrens
parents:
1749
diff
changeset
|
437 |
} else { |
8228
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
438 |
zc2.zc_objset_type = DMU_OST_ZFS; |
1758
d0750a16db04
6397267 assertion failed: (link->list_next == 0) == (link->list_prev == 0)
ahrens
parents:
1749
diff
changeset
|
439 |
} |
d0750a16db04
6397267 assertion failed: (link->list_next == 0) == (link->list_prev == 0)
ahrens
parents:
1749
diff
changeset
|
440 |
|
d0750a16db04
6397267 assertion failed: (link->list_next == 0) == (link->list_prev == 0)
ahrens
parents:
1749
diff
changeset
|
441 |
/* |
5331 | 442 |
* If we can successfully destroy it, pretend that it |
1758
d0750a16db04
6397267 assertion failed: (link->list_next == 0) == (link->list_prev == 0)
ahrens
parents:
1749
diff
changeset
|
443 |
* never existed. |
d0750a16db04
6397267 assertion failed: (link->list_next == 0) == (link->list_prev == 0)
ahrens
parents:
1749
diff
changeset
|
444 |
*/ |
8228
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
445 |
if (ioctl(hdl->libzfs_fd, ZFS_IOC_DESTROY, &zc2) == 0) { |
4543 | 446 |
zhp->zfs_hdl->libzfs_log_str = logstr; |
1758
d0750a16db04
6397267 assertion failed: (link->list_next == 0) == (link->list_prev == 0)
ahrens
parents:
1749
diff
changeset
|
447 |
errno = ENOENT; |
8228
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
448 |
return (-1); |
1758
d0750a16db04
6397267 assertion failed: (link->list_next == 0) == (link->list_prev == 0)
ahrens
parents:
1749
diff
changeset
|
449 |
} |
8228
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
450 |
/* If we can successfully roll it back, reset the stats */ |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
451 |
if (ioctl(hdl->libzfs_fd, ZFS_IOC_ROLLBACK, &zc2) == 0) { |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
452 |
if (get_stats_ioctl(zhp, zc) != 0) { |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
453 |
zhp->zfs_hdl->libzfs_log_str = logstr; |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
454 |
return (-1); |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
455 |
} |
5367 | 456 |
goto top; |
8228
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
457 |
} |
1758
d0750a16db04
6397267 assertion failed: (link->list_next == 0) == (link->list_prev == 0)
ahrens
parents:
1749
diff
changeset
|
458 |
} |
d0750a16db04
6397267 assertion failed: (link->list_next == 0) == (link->list_prev == 0)
ahrens
parents:
1749
diff
changeset
|
459 |
|
789 | 460 |
/* |
461 |
* We've managed to open the dataset and gather statistics. Determine |
|
462 |
* the high-level type. |
|
463 |
*/ |
|
2885 | 464 |
if (zhp->zfs_dmustats.dds_type == DMU_OST_ZVOL) |
465 |
zhp->zfs_head_type = ZFS_TYPE_VOLUME; |
|
466 |
else if (zhp->zfs_dmustats.dds_type == DMU_OST_ZFS) |
|
467 |
zhp->zfs_head_type = ZFS_TYPE_FILESYSTEM; |
|
468 |
else |
|
469 |
abort(); |
|
470 |
||
789 | 471 |
if (zhp->zfs_dmustats.dds_is_snapshot) |
472 |
zhp->zfs_type = ZFS_TYPE_SNAPSHOT; |
|
473 |
else if (zhp->zfs_dmustats.dds_type == DMU_OST_ZVOL) |
|
474 |
zhp->zfs_type = ZFS_TYPE_VOLUME; |
|
475 |
else if (zhp->zfs_dmustats.dds_type == DMU_OST_ZFS) |
|
476 |
zhp->zfs_type = ZFS_TYPE_FILESYSTEM; |
|
477 |
else |
|
2082 | 478 |
abort(); /* we should never see any other types */ |
789 | 479 |
|
4543 | 480 |
zhp->zfs_hdl->libzfs_log_str = logstr; |
6865 | 481 |
zhp->zpool_hdl = zpool_handle(zhp); |
8228
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
482 |
return (0); |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
483 |
} |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
484 |
|
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
485 |
zfs_handle_t * |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
486 |
make_dataset_handle(libzfs_handle_t *hdl, const char *path) |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
487 |
{ |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
488 |
zfs_cmd_t zc = { 0 }; |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
489 |
|
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
490 |
zfs_handle_t *zhp = calloc(sizeof (zfs_handle_t), 1); |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
491 |
|
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
492 |
if (zhp == NULL) |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
493 |
return (NULL); |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
494 |
|
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
495 |
zhp->zfs_hdl = hdl; |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
496 |
(void) strlcpy(zhp->zfs_name, path, sizeof (zhp->zfs_name)); |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
497 |
if (zcmd_alloc_dst_nvlist(hdl, &zc, 0) != 0) { |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
498 |
free(zhp); |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
499 |
return (NULL); |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
500 |
} |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
501 |
if (get_stats_ioctl(zhp, &zc) == -1) { |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
502 |
zcmd_free_nvlists(&zc); |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
503 |
free(zhp); |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
504 |
return (NULL); |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
505 |
} |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
506 |
if (make_dataset_handle_common(zhp, &zc) == -1) { |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
507 |
free(zhp); |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
508 |
zhp = NULL; |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
509 |
} |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
510 |
zcmd_free_nvlists(&zc); |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
511 |
return (zhp); |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
512 |
} |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
513 |
|
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
514 |
static zfs_handle_t * |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
515 |
make_dataset_handle_zc(libzfs_handle_t *hdl, zfs_cmd_t *zc) |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
516 |
{ |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
517 |
zfs_handle_t *zhp = calloc(sizeof (zfs_handle_t), 1); |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
518 |
|
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
519 |
if (zhp == NULL) |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
520 |
return (NULL); |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
521 |
|
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
522 |
zhp->zfs_hdl = hdl; |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
523 |
(void) strlcpy(zhp->zfs_name, zc->zc_name, sizeof (zhp->zfs_name)); |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
524 |
if (make_dataset_handle_common(zhp, zc) == -1) { |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
525 |
free(zhp); |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
526 |
return (NULL); |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
527 |
} |
789 | 528 |
return (zhp); |
529 |
} |
|
530 |
||
531 |
/* |
|
532 |
* Opens the given snapshot, filesystem, or volume. The 'types' |
|
533 |
* argument is a mask of acceptable types. The function will print an |
|
534 |
* appropriate error message and return NULL if it can't be opened. |
|
535 |
*/ |
|
536 |
zfs_handle_t * |
|
2082 | 537 |
zfs_open(libzfs_handle_t *hdl, const char *path, int types) |
789 | 538 |
{ |
539 |
zfs_handle_t *zhp; |
|
2082 | 540 |
char errbuf[1024]; |
541 |
||
542 |
(void) snprintf(errbuf, sizeof (errbuf), |
|
543 |
dgettext(TEXT_DOMAIN, "cannot open '%s'"), path); |
|
789 | 544 |
|
545 |
/* |
|
2082 | 546 |
* Validate the name before we even try to open it. |
789 | 547 |
*/ |
5326
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
548 |
if (!zfs_validate_name(hdl, path, ZFS_TYPE_DATASET, B_FALSE)) { |
2082 | 549 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
550 |
"invalid dataset name")); |
|
551 |
(void) zfs_error(hdl, EZFS_INVALIDNAME, errbuf); |
|
789 | 552 |
return (NULL); |
553 |
} |
|
554 |
||
555 |
/* |
|
556 |
* Try to get stats for the dataset, which will tell us if it exists. |
|
557 |
*/ |
|
558 |
errno = 0; |
|
2082 | 559 |
if ((zhp = make_dataset_handle(hdl, path)) == NULL) { |
3237
98d0c28f2f5e
6480245 renaming a dataset to something with '%s' will cause segfault
lling
parents:
3234
diff
changeset
|
560 |
(void) zfs_standard_error(hdl, errno, errbuf); |
789 | 561 |
return (NULL); |
562 |
} |
|
563 |
||
564 |
if (!(types & zhp->zfs_type)) { |
|
2082 | 565 |
(void) zfs_error(hdl, EZFS_BADTYPE, errbuf); |
2142
f6e0487aa9a3
6433264 crash when adding spare: nvlist_lookup_string(cnv, "path", &path) == 0
eschrock
parents:
2082
diff
changeset
|
566 |
zfs_close(zhp); |
789 | 567 |
return (NULL); |
568 |
} |
|
569 |
||
570 |
return (zhp); |
|
571 |
} |
|
572 |
||
573 |
/* |
|
574 |
* Release a ZFS handle. Nothing to do but free the associated memory. |
|
575 |
*/ |
|
576 |
void |
|
577 |
zfs_close(zfs_handle_t *zhp) |
|
578 |
{ |
|
579 |
if (zhp->zfs_mntopts) |
|
580 |
free(zhp->zfs_mntopts); |
|
2676 | 581 |
nvlist_free(zhp->zfs_props); |
582 |
nvlist_free(zhp->zfs_user_props); |
|
789 | 583 |
free(zhp); |
584 |
} |
|
585 |
||
8228
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
586 |
typedef struct mnttab_node { |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
587 |
struct mnttab mtn_mt; |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
588 |
avl_node_t mtn_node; |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
589 |
} mnttab_node_t; |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
590 |
|
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
591 |
static int |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
592 |
libzfs_mnttab_cache_compare(const void *arg1, const void *arg2) |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
593 |
{ |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
594 |
const mnttab_node_t *mtn1 = arg1; |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
595 |
const mnttab_node_t *mtn2 = arg2; |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
596 |
int rv; |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
597 |
|
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
598 |
rv = strcmp(mtn1->mtn_mt.mnt_special, mtn2->mtn_mt.mnt_special); |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
599 |
|
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
600 |
if (rv == 0) |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
601 |
return (0); |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
602 |
return (rv > 0 ? 1 : -1); |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
603 |
} |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
604 |
|
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
605 |
void |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
606 |
libzfs_mnttab_init(libzfs_handle_t *hdl) |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
607 |
{ |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
608 |
struct mnttab entry; |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
609 |
|
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
610 |
assert(avl_numnodes(&hdl->libzfs_mnttab_cache) == 0); |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
611 |
avl_create(&hdl->libzfs_mnttab_cache, libzfs_mnttab_cache_compare, |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
612 |
sizeof (mnttab_node_t), offsetof(mnttab_node_t, mtn_node)); |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
613 |
|
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
614 |
rewind(hdl->libzfs_mnttab); |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
615 |
while (getmntent(hdl->libzfs_mnttab, &entry) == 0) { |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
616 |
mnttab_node_t *mtn; |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
617 |
|
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
618 |
if (strcmp(entry.mnt_fstype, MNTTYPE_ZFS) != 0) |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
619 |
continue; |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
620 |
mtn = zfs_alloc(hdl, sizeof (mnttab_node_t)); |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
621 |
mtn->mtn_mt.mnt_special = zfs_strdup(hdl, entry.mnt_special); |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
622 |
mtn->mtn_mt.mnt_mountp = zfs_strdup(hdl, entry.mnt_mountp); |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
623 |
mtn->mtn_mt.mnt_fstype = zfs_strdup(hdl, entry.mnt_fstype); |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
624 |
mtn->mtn_mt.mnt_mntopts = zfs_strdup(hdl, entry.mnt_mntopts); |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
625 |
avl_add(&hdl->libzfs_mnttab_cache, mtn); |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
626 |
} |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
627 |
} |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
628 |
|
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
629 |
void |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
630 |
libzfs_mnttab_fini(libzfs_handle_t *hdl) |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
631 |
{ |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
632 |
void *cookie = NULL; |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
633 |
mnttab_node_t *mtn; |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
634 |
|
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
635 |
while (mtn = avl_destroy_nodes(&hdl->libzfs_mnttab_cache, &cookie)) { |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
636 |
free(mtn->mtn_mt.mnt_special); |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
637 |
free(mtn->mtn_mt.mnt_mountp); |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
638 |
free(mtn->mtn_mt.mnt_fstype); |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
639 |
free(mtn->mtn_mt.mnt_mntopts); |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
640 |
free(mtn); |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
641 |
} |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
642 |
avl_destroy(&hdl->libzfs_mnttab_cache); |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
643 |
} |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
644 |
|
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
645 |
int |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
646 |
libzfs_mnttab_find(libzfs_handle_t *hdl, const char *fsname, |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
647 |
struct mnttab *entry) |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
648 |
{ |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
649 |
mnttab_node_t find; |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
650 |
mnttab_node_t *mtn; |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
651 |
|
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
652 |
if (avl_numnodes(&hdl->libzfs_mnttab_cache) == 0) |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
653 |
libzfs_mnttab_init(hdl); |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
654 |
|
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
655 |
find.mtn_mt.mnt_special = (char *)fsname; |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
656 |
mtn = avl_find(&hdl->libzfs_mnttab_cache, &find, NULL); |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
657 |
if (mtn) { |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
658 |
*entry = mtn->mtn_mt; |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
659 |
return (0); |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
660 |
} |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
661 |
return (ENOENT); |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
662 |
} |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
663 |
|
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
664 |
void |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
665 |
libzfs_mnttab_add(libzfs_handle_t *hdl, const char *special, |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
666 |
const char *mountp, const char *mntopts) |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
667 |
{ |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
668 |
mnttab_node_t *mtn; |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
669 |
|
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
670 |
if (avl_numnodes(&hdl->libzfs_mnttab_cache) == 0) |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
671 |
return; |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
672 |
mtn = zfs_alloc(hdl, sizeof (mnttab_node_t)); |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
673 |
mtn->mtn_mt.mnt_special = zfs_strdup(hdl, special); |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
674 |
mtn->mtn_mt.mnt_mountp = zfs_strdup(hdl, mountp); |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
675 |
mtn->mtn_mt.mnt_fstype = zfs_strdup(hdl, MNTTYPE_ZFS); |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
676 |
mtn->mtn_mt.mnt_mntopts = zfs_strdup(hdl, mntopts); |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
677 |
avl_add(&hdl->libzfs_mnttab_cache, mtn); |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
678 |
} |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
679 |
|
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
680 |
void |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
681 |
libzfs_mnttab_remove(libzfs_handle_t *hdl, const char *fsname) |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
682 |
{ |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
683 |
mnttab_node_t find; |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
684 |
mnttab_node_t *ret; |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
685 |
|
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
686 |
find.mtn_mt.mnt_special = (char *)fsname; |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
687 |
if (ret = avl_find(&hdl->libzfs_mnttab_cache, (void *)&find, NULL)) { |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
688 |
avl_remove(&hdl->libzfs_mnttab_cache, ret); |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
689 |
free(ret->mtn_mt.mnt_special); |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
690 |
free(ret->mtn_mt.mnt_mountp); |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
691 |
free(ret->mtn_mt.mnt_fstype); |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
692 |
free(ret->mtn_mt.mnt_mntopts); |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
693 |
free(ret); |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
694 |
} |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
695 |
} |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
696 |
|
5713 | 697 |
int |
698 |
zfs_spa_version(zfs_handle_t *zhp, int *spa_version) |
|
699 |
{ |
|
6865 | 700 |
zpool_handle_t *zpool_handle = zhp->zpool_hdl; |
701 |
||
5713 | 702 |
if (zpool_handle == NULL) |
703 |
return (-1); |
|
704 |
||
705 |
*spa_version = zpool_get_prop_int(zpool_handle, |
|
706 |
ZPOOL_PROP_VERSION, NULL); |
|
707 |
return (0); |
|
708 |
} |
|
709 |
||
710 |
/* |
|
711 |
* The choice of reservation property depends on the SPA version. |
|
712 |
*/ |
|
713 |
static int |
|
714 |
zfs_which_resv_prop(zfs_handle_t *zhp, zfs_prop_t *resv_prop) |
|
715 |
{ |
|
716 |
int spa_version; |
|
717 |
||
718 |
if (zfs_spa_version(zhp, &spa_version) < 0) |
|
719 |
return (-1); |
|
720 |
||
721 |
if (spa_version >= SPA_VERSION_REFRESERVATION) |
|
722 |
*resv_prop = ZFS_PROP_REFRESERVATION; |
|
723 |
else |
|
724 |
*resv_prop = ZFS_PROP_RESERVATION; |
|
725 |
||
726 |
return (0); |
|
727 |
} |
|
728 |
||
3912 | 729 |
/* |
2676 | 730 |
* Given an nvlist of properties to set, validates that they are correct, and |
731 |
* parses any numeric properties (index, boolean, etc) if they are specified as |
|
732 |
* strings. |
|
789 | 733 |
*/ |
7184
9508660f9c27
PSARC 2008/223 Pool root file system properties via zpool(1M)
timh
parents:
7042
diff
changeset
|
734 |
nvlist_t * |
9508660f9c27
PSARC 2008/223 Pool root file system properties via zpool(1M)
timh
parents:
7042
diff
changeset
|
735 |
zfs_valid_proplist(libzfs_handle_t *hdl, zfs_type_t type, nvlist_t *nvl, |
5094 | 736 |
uint64_t zoned, zfs_handle_t *zhp, const char *errbuf) |
789 | 737 |
{ |
2676 | 738 |
nvpair_t *elem; |
739 |
uint64_t intval; |
|
740 |
char *strval; |
|
5094 | 741 |
zfs_prop_t prop; |
2676 | 742 |
nvlist_t *ret; |
5331 | 743 |
int chosen_normal = -1; |
744 |
int chosen_utf = -1; |
|
2676 | 745 |
|
5094 | 746 |
if (nvlist_alloc(&ret, NV_UNIQUE_NAME, 0) != 0) { |
747 |
(void) no_memory(hdl); |
|
748 |
return (NULL); |
|
789 | 749 |
} |
750 |
||
2676 | 751 |
elem = NULL; |
752 |
while ((elem = nvlist_next_nvpair(nvl, elem)) != NULL) { |
|
5094 | 753 |
const char *propname = nvpair_name(elem); |
2676 | 754 |
|
755 |
/* |
|
756 |
* Make sure this property is valid and applies to this type. |
|
757 |
*/ |
|
5094 | 758 |
if ((prop = zfs_name_to_prop(propname)) == ZPROP_INVAL) { |
759 |
if (!zfs_prop_user(propname)) { |
|
2676 | 760 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
5094 | 761 |
"invalid property '%s'"), propname); |
762 |
(void) zfs_error(hdl, EZFS_BADPROP, errbuf); |
|
763 |
goto error; |
|
764 |
} |
|
765 |
||
766 |
/* |
|
767 |
* If this is a user property, make sure it's a |
|
768 |
* string, and that it's less than ZAP_MAXNAMELEN. |
|
769 |
*/ |
|
770 |
if (nvpair_type(elem) != DATA_TYPE_STRING) { |
|
771 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
|
772 |
"'%s' must be a string"), propname); |
|
773 |
(void) zfs_error(hdl, EZFS_BADPROP, errbuf); |
|
774 |
goto error; |
|
775 |
} |
|
776 |
||
777 |
if (strlen(nvpair_name(elem)) >= ZAP_MAXNAMELEN) { |
|
778 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
|
779 |
"property name '%s' is too long"), |
|
2676 | 780 |
propname); |
781 |
(void) zfs_error(hdl, EZFS_BADPROP, errbuf); |
|
782 |
goto error; |
|
783 |
} |
|
784 |
||
785 |
(void) nvpair_value_string(elem, &strval); |
|
786 |
if (nvlist_add_string(ret, propname, strval) != 0) { |
|
787 |
(void) no_memory(hdl); |
|
788 |
goto error; |
|
789 |
} |
|
790 |
continue; |
|
789 | 791 |
} |
2676 | 792 |
|
7265 | 793 |
if (type == ZFS_TYPE_SNAPSHOT) { |
794 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
|
795 |
"this property can not be modified for snapshots")); |
|
796 |
(void) zfs_error(hdl, EZFS_PROPTYPE, errbuf); |
|
797 |
goto error; |
|
798 |
} |
|
799 |
||
2676 | 800 |
if (!zfs_prop_valid_for_type(prop, type)) { |
801 |
zfs_error_aux(hdl, |
|
802 |
dgettext(TEXT_DOMAIN, "'%s' does not " |
|
803 |
"apply to datasets of this type"), propname); |
|
804 |
(void) zfs_error(hdl, EZFS_PROPTYPE, errbuf); |
|
805 |
goto error; |
|
806 |
} |
|
807 |
||
808 |
if (zfs_prop_readonly(prop) && |
|
5331 | 809 |
(!zfs_prop_setonce(prop) || zhp != NULL)) { |
2676 | 810 |
zfs_error_aux(hdl, |
811 |
dgettext(TEXT_DOMAIN, "'%s' is readonly"), |
|
812 |
propname); |
|
813 |
(void) zfs_error(hdl, EZFS_PROPREADONLY, errbuf); |
|
814 |
goto error; |
|
815 |
} |
|
816 |
||
5094 | 817 |
if (zprop_parse_value(hdl, elem, prop, type, ret, |
818 |
&strval, &intval, errbuf) != 0) |
|
2676 | 819 |
goto error; |
820 |
||
821 |
/* |
|
822 |
* Perform some additional checks for specific properties. |
|
823 |
*/ |
|
824 |
switch (prop) { |
|
4577 | 825 |
case ZFS_PROP_VERSION: |
826 |
{ |
|
827 |
int version; |
|
828 |
||
829 |
if (zhp == NULL) |
|
830 |
break; |
|
831 |
version = zfs_prop_get_int(zhp, ZFS_PROP_VERSION); |
|
832 |
if (intval < version) { |
|
833 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
|
834 |
"Can not downgrade; already at version %u"), |
|
835 |
version); |
|
836 |
(void) zfs_error(hdl, EZFS_BADPROP, errbuf); |
|
837 |
goto error; |
|
838 |
} |
|
839 |
break; |
|
840 |
} |
|
841 |
||
2676 | 842 |
case ZFS_PROP_RECORDSIZE: |
843 |
case ZFS_PROP_VOLBLOCKSIZE: |
|
844 |
/* must be power of two within SPA_{MIN,MAX}BLOCKSIZE */ |
|
845 |
if (intval < SPA_MINBLOCKSIZE || |
|
846 |
intval > SPA_MAXBLOCKSIZE || !ISP2(intval)) { |
|
2082 | 847 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
2676 | 848 |
"'%s' must be power of 2 from %u " |
849 |
"to %uk"), propname, |
|
850 |
(uint_t)SPA_MINBLOCKSIZE, |
|
851 |
(uint_t)SPA_MAXBLOCKSIZE >> 10); |
|
852 |
(void) zfs_error(hdl, EZFS_BADPROP, errbuf); |
|
853 |
goto error; |
|
789 | 854 |
} |
855 |
break; |
|
856 |
||
3126 | 857 |
case ZFS_PROP_SHAREISCSI: |
858 |
if (strcmp(strval, "off") != 0 && |
|
859 |
strcmp(strval, "on") != 0 && |
|
860 |
strcmp(strval, "type=disk") != 0) { |
|
861 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
|
862 |
"'%s' must be 'on', 'off', or 'type=disk'"), |
|
863 |
propname); |
|
864 |
(void) zfs_error(hdl, EZFS_BADPROP, errbuf); |
|
865 |
goto error; |
|
866 |
} |
|
867 |
||
868 |
break; |
|
869 |
||
2676 | 870 |
case ZFS_PROP_MOUNTPOINT: |
4778
068cf1db91f1
6446301 ZFS mountpoint reverted back from legacy but sharenfs property not honored
rm160521
parents:
4603
diff
changeset
|
871 |
{ |
068cf1db91f1
6446301 ZFS mountpoint reverted back from legacy but sharenfs property not honored
rm160521
parents:
4603
diff
changeset
|
872 |
namecheck_err_t why; |
068cf1db91f1
6446301 ZFS mountpoint reverted back from legacy but sharenfs property not honored
rm160521
parents:
4603
diff
changeset
|
873 |
|
2676 | 874 |
if (strcmp(strval, ZFS_MOUNTPOINT_NONE) == 0 || |
875 |
strcmp(strval, ZFS_MOUNTPOINT_LEGACY) == 0) |
|
876 |
break; |
|
877 |
||
4778
068cf1db91f1
6446301 ZFS mountpoint reverted back from legacy but sharenfs property not honored
rm160521
parents:
4603
diff
changeset
|
878 |
if (mountpoint_namecheck(strval, &why)) { |
068cf1db91f1
6446301 ZFS mountpoint reverted back from legacy but sharenfs property not honored
rm160521
parents:
4603
diff
changeset
|
879 |
switch (why) { |
068cf1db91f1
6446301 ZFS mountpoint reverted back from legacy but sharenfs property not honored
rm160521
parents:
4603
diff
changeset
|
880 |
case NAME_ERR_LEADING_SLASH: |
068cf1db91f1
6446301 ZFS mountpoint reverted back from legacy but sharenfs property not honored
rm160521
parents:
4603
diff
changeset
|
881 |
zfs_error_aux(hdl, |
068cf1db91f1
6446301 ZFS mountpoint reverted back from legacy but sharenfs property not honored
rm160521
parents:
4603
diff
changeset
|
882 |
dgettext(TEXT_DOMAIN, |
068cf1db91f1
6446301 ZFS mountpoint reverted back from legacy but sharenfs property not honored
rm160521
parents:
4603
diff
changeset
|
883 |
"'%s' must be an absolute path, " |
068cf1db91f1
6446301 ZFS mountpoint reverted back from legacy but sharenfs property not honored
rm160521
parents:
4603
diff
changeset
|
884 |
"'none', or 'legacy'"), propname); |
068cf1db91f1
6446301 ZFS mountpoint reverted back from legacy but sharenfs property not honored
rm160521
parents:
4603
diff
changeset
|
885 |
break; |
068cf1db91f1
6446301 ZFS mountpoint reverted back from legacy but sharenfs property not honored
rm160521
parents:
4603
diff
changeset
|
886 |
case NAME_ERR_TOOLONG: |
068cf1db91f1
6446301 ZFS mountpoint reverted back from legacy but sharenfs property not honored
rm160521
parents:
4603
diff
changeset
|
887 |
zfs_error_aux(hdl, |
068cf1db91f1
6446301 ZFS mountpoint reverted back from legacy but sharenfs property not honored
rm160521
parents:
4603
diff
changeset
|
888 |
dgettext(TEXT_DOMAIN, |
068cf1db91f1
6446301 ZFS mountpoint reverted back from legacy but sharenfs property not honored
rm160521
parents:
4603
diff
changeset
|
889 |
"component of '%s' is too long"), |
068cf1db91f1
6446301 ZFS mountpoint reverted back from legacy but sharenfs property not honored
rm160521
parents:
4603
diff
changeset
|
890 |
propname); |
068cf1db91f1
6446301 ZFS mountpoint reverted back from legacy but sharenfs property not honored
rm160521
parents:
4603
diff
changeset
|
891 |
break; |
068cf1db91f1
6446301 ZFS mountpoint reverted back from legacy but sharenfs property not honored
rm160521
parents:
4603
diff
changeset
|
892 |
} |
2676 | 893 |
(void) zfs_error(hdl, EZFS_BADPROP, errbuf); |
894 |
goto error; |
|
789 | 895 |
} |
4778
068cf1db91f1
6446301 ZFS mountpoint reverted back from legacy but sharenfs property not honored
rm160521
parents:
4603
diff
changeset
|
896 |
} |
068cf1db91f1
6446301 ZFS mountpoint reverted back from legacy but sharenfs property not honored
rm160521
parents:
4603
diff
changeset
|
897 |
|
3126 | 898 |
/*FALLTHRU*/ |
899 |
||
5331 | 900 |
case ZFS_PROP_SHARESMB: |
3126 | 901 |
case ZFS_PROP_SHARENFS: |
902 |
/* |
|
5331 | 903 |
* For the mountpoint and sharenfs or sharesmb |
904 |
* properties, check if it can be set in a |
|
905 |
* global/non-global zone based on |
|
3126 | 906 |
* the zoned property value: |
907 |
* |
|
908 |
* global zone non-global zone |
|
909 |
* -------------------------------------------------- |
|
910 |
* zoned=on mountpoint (no) mountpoint (yes) |
|
911 |
* sharenfs (no) sharenfs (no) |
|
5331 | 912 |
* sharesmb (no) sharesmb (no) |
3126 | 913 |
* |
914 |
* zoned=off mountpoint (yes) N/A |
|
915 |
* sharenfs (yes) |
|
5331 | 916 |
* sharesmb (yes) |
3126 | 917 |
*/ |
2676 | 918 |
if (zoned) { |
919 |
if (getzoneid() == GLOBAL_ZONEID) { |
|
920 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
|
921 |
"'%s' cannot be set on " |
|
922 |
"dataset in a non-global zone"), |
|
923 |
propname); |
|
924 |
(void) zfs_error(hdl, EZFS_ZONED, |
|
925 |
errbuf); |
|
926 |
goto error; |
|
5331 | 927 |
} else if (prop == ZFS_PROP_SHARENFS || |
928 |
prop == ZFS_PROP_SHARESMB) { |
|
2676 | 929 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
930 |
"'%s' cannot be set in " |
|
931 |
"a non-global zone"), propname); |
|
932 |
(void) zfs_error(hdl, EZFS_ZONED, |
|
933 |
errbuf); |
|
934 |
goto error; |
|
935 |
} |
|
936 |
} else if (getzoneid() != GLOBAL_ZONEID) { |
|
937 |
/* |
|
938 |
* If zoned property is 'off', this must be in |
|
939 |
* a globle zone. If not, something is wrong. |
|
940 |
*/ |
|
941 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
|
942 |
"'%s' cannot be set while dataset " |
|
943 |
"'zoned' property is set"), propname); |
|
944 |
(void) zfs_error(hdl, EZFS_ZONED, errbuf); |
|
945 |
goto error; |
|
946 |
} |
|
3126 | 947 |
|
4180
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
4007
diff
changeset
|
948 |
/* |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
4007
diff
changeset
|
949 |
* At this point, it is legitimate to set the |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
4007
diff
changeset
|
950 |
* property. Now we want to make sure that the |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
4007
diff
changeset
|
951 |
* property value is valid if it is sharenfs. |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
4007
diff
changeset
|
952 |
*/ |
5331 | 953 |
if ((prop == ZFS_PROP_SHARENFS || |
954 |
prop == ZFS_PROP_SHARESMB) && |
|
4217
3411a82f178f
6552521 truss dumps core with multibyte characters in syscall args
eschrock
parents:
4183
diff
changeset
|
955 |
strcmp(strval, "on") != 0 && |
3411a82f178f
6552521 truss dumps core with multibyte characters in syscall args
eschrock
parents:
4183
diff
changeset
|
956 |
strcmp(strval, "off") != 0) { |
5331 | 957 |
zfs_share_proto_t proto; |
958 |
||
959 |
if (prop == ZFS_PROP_SHARESMB) |
|
960 |
proto = PROTO_SMB; |
|
961 |
else |
|
962 |
proto = PROTO_NFS; |
|
4180
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
4007
diff
changeset
|
963 |
|
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
4007
diff
changeset
|
964 |
/* |
5331 | 965 |
* Must be an valid sharing protocol |
966 |
* option string so init the libshare |
|
967 |
* in order to enable the parser and |
|
968 |
* then parse the options. We use the |
|
969 |
* control API since we don't care about |
|
970 |
* the current configuration and don't |
|
4180
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
4007
diff
changeset
|
971 |
* want the overhead of loading it |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
4007
diff
changeset
|
972 |
* until we actually do something. |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
4007
diff
changeset
|
973 |
*/ |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
4007
diff
changeset
|
974 |
|
4217
3411a82f178f
6552521 truss dumps core with multibyte characters in syscall args
eschrock
parents:
4183
diff
changeset
|
975 |
if (zfs_init_libshare(hdl, |
3411a82f178f
6552521 truss dumps core with multibyte characters in syscall args
eschrock
parents:
4183
diff
changeset
|
976 |
SA_INIT_CONTROL_API) != SA_OK) { |
3411a82f178f
6552521 truss dumps core with multibyte characters in syscall args
eschrock
parents:
4183
diff
changeset
|
977 |
/* |
3411a82f178f
6552521 truss dumps core with multibyte characters in syscall args
eschrock
parents:
4183
diff
changeset
|
978 |
* An error occurred so we can't do |
3411a82f178f
6552521 truss dumps core with multibyte characters in syscall args
eschrock
parents:
4183
diff
changeset
|
979 |
* anything |
3411a82f178f
6552521 truss dumps core with multibyte characters in syscall args
eschrock
parents:
4183
diff
changeset
|
980 |
*/ |
3411a82f178f
6552521 truss dumps core with multibyte characters in syscall args
eschrock
parents:
4183
diff
changeset
|
981 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
3411a82f178f
6552521 truss dumps core with multibyte characters in syscall args
eschrock
parents:
4183
diff
changeset
|
982 |
"'%s' cannot be set: problem " |
3411a82f178f
6552521 truss dumps core with multibyte characters in syscall args
eschrock
parents:
4183
diff
changeset
|
983 |
"in share initialization"), |
3411a82f178f
6552521 truss dumps core with multibyte characters in syscall args
eschrock
parents:
4183
diff
changeset
|
984 |
propname); |
3411a82f178f
6552521 truss dumps core with multibyte characters in syscall args
eschrock
parents:
4183
diff
changeset
|
985 |
(void) zfs_error(hdl, EZFS_BADPROP, |
3411a82f178f
6552521 truss dumps core with multibyte characters in syscall args
eschrock
parents:
4183
diff
changeset
|
986 |
errbuf); |
3411a82f178f
6552521 truss dumps core with multibyte characters in syscall args
eschrock
parents:
4183
diff
changeset
|
987 |
goto error; |
3411a82f178f
6552521 truss dumps core with multibyte characters in syscall args
eschrock
parents:
4183
diff
changeset
|
988 |
} |
3411a82f178f
6552521 truss dumps core with multibyte characters in syscall args
eschrock
parents:
4183
diff
changeset
|
989 |
|
5331 | 990 |
if (zfs_parse_options(strval, proto) != SA_OK) { |
4217
3411a82f178f
6552521 truss dumps core with multibyte characters in syscall args
eschrock
parents:
4183
diff
changeset
|
991 |
/* |
3411a82f178f
6552521 truss dumps core with multibyte characters in syscall args
eschrock
parents:
4183
diff
changeset
|
992 |
* There was an error in parsing so |
3411a82f178f
6552521 truss dumps core with multibyte characters in syscall args
eschrock
parents:
4183
diff
changeset
|
993 |
* deal with it by issuing an error |
3411a82f178f
6552521 truss dumps core with multibyte characters in syscall args
eschrock
parents:
4183
diff
changeset
|
994 |
* message and leaving after |
3411a82f178f
6552521 truss dumps core with multibyte characters in syscall args
eschrock
parents:
4183
diff
changeset
|
995 |
* uninitializing the the libshare |
3411a82f178f
6552521 truss dumps core with multibyte characters in syscall args
eschrock
parents:
4183
diff
changeset
|
996 |
* interface. |
3411a82f178f
6552521 truss dumps core with multibyte characters in syscall args
eschrock
parents:
4183
diff
changeset
|
997 |
*/ |
3411a82f178f
6552521 truss dumps core with multibyte characters in syscall args
eschrock
parents:
4183
diff
changeset
|
998 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
3411a82f178f
6552521 truss dumps core with multibyte characters in syscall args
eschrock
parents:
4183
diff
changeset
|
999 |
"'%s' cannot be set to invalid " |
3411a82f178f
6552521 truss dumps core with multibyte characters in syscall args
eschrock
parents:
4183
diff
changeset
|
1000 |
"options"), propname); |
3411a82f178f
6552521 truss dumps core with multibyte characters in syscall args
eschrock
parents:
4183
diff
changeset
|
1001 |
(void) zfs_error(hdl, EZFS_BADPROP, |
3411a82f178f
6552521 truss dumps core with multibyte characters in syscall args
eschrock
parents:
4183
diff
changeset
|
1002 |
errbuf); |
3411a82f178f
6552521 truss dumps core with multibyte characters in syscall args
eschrock
parents:
4183
diff
changeset
|
1003 |
zfs_uninit_libshare(hdl); |
3411a82f178f
6552521 truss dumps core with multibyte characters in syscall args
eschrock
parents:
4183
diff
changeset
|
1004 |
goto error; |
3411a82f178f
6552521 truss dumps core with multibyte characters in syscall args
eschrock
parents:
4183
diff
changeset
|
1005 |
} |
4180
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
4007
diff
changeset
|
1006 |
zfs_uninit_libshare(hdl); |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
4007
diff
changeset
|
1007 |
} |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
4007
diff
changeset
|
1008 |
|
3126 | 1009 |
break; |
5331 | 1010 |
case ZFS_PROP_UTF8ONLY: |
1011 |
chosen_utf = (int)intval; |
|
1012 |
break; |
|
1013 |
case ZFS_PROP_NORMALIZE: |
|
1014 |
chosen_normal = (int)intval; |
|
1015 |
break; |
|
2676 | 1016 |
} |
1017 |
||
1018 |
/* |
|
1019 |
* For changes to existing volumes, we have some additional |
|
1020 |
* checks to enforce. |
|
1021 |
*/ |
|
1022 |
if (type == ZFS_TYPE_VOLUME && zhp != NULL) { |
|
1023 |
uint64_t volsize = zfs_prop_get_int(zhp, |
|
1024 |
ZFS_PROP_VOLSIZE); |
|
1025 |
uint64_t blocksize = zfs_prop_get_int(zhp, |
|
1026 |
ZFS_PROP_VOLBLOCKSIZE); |
|
1027 |
char buf[64]; |
|
1028 |
||
1029 |
switch (prop) { |
|
1030 |
case ZFS_PROP_RESERVATION: |
|
5378
111aa1baa84a
PSARC 2007/555 zfs fs-only quotas and reservations
ck153898
parents:
5375
diff
changeset
|
1031 |
case ZFS_PROP_REFRESERVATION: |
2676 | 1032 |
if (intval > volsize) { |
1033 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
|
1034 |
"'%s' is greater than current " |
|
1035 |
"volume size"), propname); |
|
1036 |
(void) zfs_error(hdl, EZFS_BADPROP, |
|
1037 |
errbuf); |
|
1038 |
goto error; |
|
1039 |
} |
|
1040 |
break; |
|
1041 |
||
1042 |
case ZFS_PROP_VOLSIZE: |
|
1043 |
if (intval % blocksize != 0) { |
|
1044 |
zfs_nicenum(blocksize, buf, |
|
1045 |
sizeof (buf)); |
|
1046 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
|
1047 |
"'%s' must be a multiple of " |
|
1048 |
"volume block size (%s)"), |
|
1049 |
propname, buf); |
|
1050 |
(void) zfs_error(hdl, EZFS_BADPROP, |
|
1051 |
errbuf); |
|
1052 |
goto error; |
|
1053 |
} |
|
1054 |
||
1055 |
if (intval == 0) { |
|
1056 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
|
1057 |
"'%s' cannot be zero"), |
|
1058 |
propname); |
|
1059 |
(void) zfs_error(hdl, EZFS_BADPROP, |
|
1060 |
errbuf); |
|
1061 |
goto error; |
|
789 | 1062 |
} |
3126 | 1063 |
break; |
789 | 1064 |
} |
1065 |
} |
|
1066 |
} |
|
1067 |
||
2676 | 1068 |
/* |
5331 | 1069 |
* If normalization was chosen, but no UTF8 choice was made, |
1070 |
* enforce rejection of non-UTF8 names. |
|
1071 |
* |
|
1072 |
* If normalization was chosen, but rejecting non-UTF8 names |
|
1073 |
* was explicitly not chosen, it is an error. |
|
1074 |
*/ |
|
5498
334b476844ca
6622831 normalization properties are not preserved by "zfs send"
timh
parents:
5481
diff
changeset
|
1075 |
if (chosen_normal > 0 && chosen_utf < 0) { |
5331 | 1076 |
if (nvlist_add_uint64(ret, |
1077 |
zfs_prop_to_name(ZFS_PROP_UTF8ONLY), 1) != 0) { |
|
1078 |
(void) no_memory(hdl); |
|
1079 |
goto error; |
|
1080 |
} |
|
5498
334b476844ca
6622831 normalization properties are not preserved by "zfs send"
timh
parents:
5481
diff
changeset
|
1081 |
} else if (chosen_normal > 0 && chosen_utf == 0) { |
5331 | 1082 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
1083 |
"'%s' must be set 'on' if normalization chosen"), |
|
1084 |
zfs_prop_to_name(ZFS_PROP_UTF8ONLY)); |
|
1085 |
(void) zfs_error(hdl, EZFS_BADPROP, errbuf); |
|
1086 |
goto error; |
|
1087 |
} |
|
1088 |
||
1089 |
/* |
|
2676 | 1090 |
* If this is an existing volume, and someone is setting the volsize, |
1091 |
* make sure that it matches the reservation, or add it if necessary. |
|
1092 |
*/ |
|
1093 |
if (zhp != NULL && type == ZFS_TYPE_VOLUME && |
|
1094 |
nvlist_lookup_uint64(ret, zfs_prop_to_name(ZFS_PROP_VOLSIZE), |
|
1095 |
&intval) == 0) { |
|
1096 |
uint64_t old_volsize = zfs_prop_get_int(zhp, |
|
1097 |
ZFS_PROP_VOLSIZE); |
|
5481
1364fb7de75d
6619182 new non-sparse zvols should get refreservations
ck153898
parents:
5473
diff
changeset
|
1098 |
uint64_t old_reservation; |
2676 | 1099 |
uint64_t new_reservation; |
5481
1364fb7de75d
6619182 new non-sparse zvols should get refreservations
ck153898
parents:
5473
diff
changeset
|
1100 |
zfs_prop_t resv_prop; |
5713 | 1101 |
|
1102 |
if (zfs_which_resv_prop(zhp, &resv_prop) < 0) |
|
5481
1364fb7de75d
6619182 new non-sparse zvols should get refreservations
ck153898
parents:
5473
diff
changeset
|
1103 |
goto error; |
1364fb7de75d
6619182 new non-sparse zvols should get refreservations
ck153898
parents:
5473
diff
changeset
|
1104 |
old_reservation = zfs_prop_get_int(zhp, resv_prop); |
2676 | 1105 |
|
1106 |
if (old_volsize == old_reservation && |
|
5481
1364fb7de75d
6619182 new non-sparse zvols should get refreservations
ck153898
parents:
5473
diff
changeset
|
1107 |
nvlist_lookup_uint64(ret, zfs_prop_to_name(resv_prop), |
2676 | 1108 |
&new_reservation) != 0) { |
1109 |
if (nvlist_add_uint64(ret, |
|
5481
1364fb7de75d
6619182 new non-sparse zvols should get refreservations
ck153898
parents:
5473
diff
changeset
|
1110 |
zfs_prop_to_name(resv_prop), intval) != 0) { |
2676 | 1111 |
(void) no_memory(hdl); |
1112 |
goto error; |
|
1113 |
} |
|
1114 |
} |
|
1115 |
} |
|
1116 |
return (ret); |
|
1117 |
||
1118 |
error: |
|
1119 |
nvlist_free(ret); |
|
1120 |
return (NULL); |
|
789 | 1121 |
} |
1122 |
||
4543 | 1123 |
static int |
1124 |
zfs_get_perm_who(const char *who, zfs_deleg_who_type_t *who_type, |
|
1125 |
uint64_t *ret_who) |
|
1126 |
{ |
|
1127 |
struct passwd *pwd; |
|
1128 |
struct group *grp; |
|
1129 |
uid_t id; |
|
1130 |
||
1131 |
if (*who_type == ZFS_DELEG_EVERYONE || *who_type == ZFS_DELEG_CREATE || |
|
1132 |
*who_type == ZFS_DELEG_NAMED_SET) { |
|
1133 |
*ret_who = -1; |
|
1134 |
return (0); |
|
1135 |
} |
|
1136 |
if (who == NULL && !(*who_type == ZFS_DELEG_EVERYONE)) |
|
1137 |
return (EZFS_BADWHO); |
|
1138 |
||
1139 |
if (*who_type == ZFS_DELEG_WHO_UNKNOWN && |
|
1140 |
strcmp(who, "everyone") == 0) { |
|
1141 |
*ret_who = -1; |
|
1142 |
*who_type = ZFS_DELEG_EVERYONE; |
|
1143 |
return (0); |
|
1144 |
} |
|
1145 |
||
1146 |
pwd = getpwnam(who); |
|
1147 |
grp = getgrnam(who); |
|
1148 |
||
1149 |
if ((*who_type == ZFS_DELEG_USER) && pwd) { |
|
1150 |
*ret_who = pwd->pw_uid; |
|
1151 |
} else if ((*who_type == ZFS_DELEG_GROUP) && grp) { |
|
1152 |
*ret_who = grp->gr_gid; |
|
1153 |
} else if (pwd) { |
|
1154 |
*ret_who = pwd->pw_uid; |
|
1155 |
*who_type = ZFS_DELEG_USER; |
|
1156 |
} else if (grp) { |
|
1157 |
*ret_who = grp->gr_gid; |
|
1158 |
*who_type = ZFS_DELEG_GROUP; |
|
1159 |
} else { |
|
1160 |
char *end; |
|
1161 |
||
1162 |
id = strtol(who, &end, 10); |
|
1163 |
if (errno != 0 || *end != '\0') { |
|
1164 |
return (EZFS_BADWHO); |
|
1165 |
} else { |
|
1166 |
*ret_who = id; |
|
1167 |
if (*who_type == ZFS_DELEG_WHO_UNKNOWN) |
|
1168 |
*who_type = ZFS_DELEG_USER; |
|
1169 |
} |
|
1170 |
} |
|
1171 |
||
1172 |
return (0); |
|
1173 |
} |
|
1174 |
||
1175 |
static void |
|
1176 |
zfs_perms_add_to_nvlist(nvlist_t *who_nvp, char *name, nvlist_t *perms_nvp) |
|
1177 |
{ |
|
1178 |
if (perms_nvp != NULL) { |
|
1179 |
verify(nvlist_add_nvlist(who_nvp, |
|
1180 |
name, perms_nvp) == 0); |
|
1181 |
} else { |
|
1182 |
verify(nvlist_add_boolean(who_nvp, name) == 0); |
|
1183 |
} |
|
1184 |
} |
|
1185 |
||
1186 |
static void |
|
1187 |
helper(zfs_deleg_who_type_t who_type, uint64_t whoid, char *whostr, |
|
1188 |
zfs_deleg_inherit_t inherit, nvlist_t *who_nvp, nvlist_t *perms_nvp, |
|
1189 |
nvlist_t *sets_nvp) |
|
1190 |
{ |
|
1191 |
boolean_t do_perms, do_sets; |
|
1192 |
char name[ZFS_MAX_DELEG_NAME]; |
|
1193 |
||
1194 |
do_perms = (nvlist_next_nvpair(perms_nvp, NULL) != NULL); |
|
1195 |
do_sets = (nvlist_next_nvpair(sets_nvp, NULL) != NULL); |
|
1196 |
||
1197 |
if (!do_perms && !do_sets) |
|
1198 |
do_perms = do_sets = B_TRUE; |
|
1199 |
||
1200 |
if (do_perms) { |
|
1201 |
zfs_deleg_whokey(name, who_type, inherit, |
|
1202 |
(who_type == ZFS_DELEG_NAMED_SET) ? |
|
1203 |
whostr : (void *)&whoid); |
|
1204 |
zfs_perms_add_to_nvlist(who_nvp, name, perms_nvp); |
|
1205 |
} |
|
1206 |
if (do_sets) { |
|
1207 |
zfs_deleg_whokey(name, toupper(who_type), inherit, |
|
1208 |
(who_type == ZFS_DELEG_NAMED_SET) ? |
|
1209 |
whostr : (void *)&whoid); |
|
1210 |
zfs_perms_add_to_nvlist(who_nvp, name, sets_nvp); |
|
1211 |
} |
|
1212 |
} |
|
1213 |
||
1214 |
static void |
|
1215 |
zfs_perms_add_who_nvlist(nvlist_t *who_nvp, uint64_t whoid, void *whostr, |
|
1216 |
nvlist_t *perms_nvp, nvlist_t *sets_nvp, |
|
1217 |
zfs_deleg_who_type_t who_type, zfs_deleg_inherit_t inherit) |
|
1218 |
{ |
|
1219 |
if (who_type == ZFS_DELEG_NAMED_SET || who_type == ZFS_DELEG_CREATE) { |
|
1220 |
helper(who_type, whoid, whostr, 0, |
|
1221 |
who_nvp, perms_nvp, sets_nvp); |
|
1222 |
} else { |
|
1223 |
if (inherit & ZFS_DELEG_PERM_LOCAL) { |
|
1224 |
helper(who_type, whoid, whostr, ZFS_DELEG_LOCAL, |
|
1225 |
who_nvp, perms_nvp, sets_nvp); |
|
1226 |
} |
|
1227 |
if (inherit & ZFS_DELEG_PERM_DESCENDENT) { |
|
1228 |
helper(who_type, whoid, whostr, ZFS_DELEG_DESCENDENT, |
|
1229 |
who_nvp, perms_nvp, sets_nvp); |
|
1230 |
} |
|
1231 |
} |
|
1232 |
} |
|
1233 |
||
1234 |
/* |
|
1235 |
* Construct nvlist to pass down to kernel for setting/removing permissions. |
|
1236 |
* |
|
1237 |
* The nvlist is constructed as a series of nvpairs with an optional embedded |
|
1238 |
* nvlist of permissions to remove or set. The topmost nvpairs are the actual |
|
1239 |
* base attribute named stored in the dsl. |
|
1240 |
* Arguments: |
|
1241 |
* |
|
1242 |
* whostr: is a comma separated list of users, groups, or a single set name. |
|
1243 |
* whostr may be null for everyone or create perms. |
|
1244 |
* who_type: is the type of entry in whostr. Typically this will be |
|
1245 |
* ZFS_DELEG_WHO_UNKNOWN. |
|
5331 | 1246 |
* perms: common separated list of permissions. May be null if user |
4543 | 1247 |
* is requested to remove permissions by who. |
1248 |
* inherit: Specifies the inheritance of the permissions. Will be either |
|
1249 |
* ZFS_DELEG_PERM_LOCAL and/or ZFS_DELEG_PERM_DESCENDENT. |
|
1250 |
* nvp The constructed nvlist to pass to zfs_perm_set(). |
|
1251 |
* The output nvp will look something like this. |
|
1252 |
* ul$1234 -> {create ; destroy } |
|
1253 |
* Ul$1234 -> { @myset } |
|
1254 |
* s-$@myset - { snapshot; checksum; compression } |
|
1255 |
*/ |
|
1256 |
int |
|
1257 |
zfs_build_perms(zfs_handle_t *zhp, char *whostr, char *perms, |
|
1258 |
zfs_deleg_who_type_t who_type, zfs_deleg_inherit_t inherit, nvlist_t **nvp) |
|
1259 |
{ |
|
1260 |
nvlist_t *who_nvp; |
|
1261 |
nvlist_t *perms_nvp = NULL; |
|
1262 |
nvlist_t *sets_nvp = NULL; |
|
1263 |
char errbuf[1024]; |
|
4787 | 1264 |
char *who_tok, *perm; |
4543 | 1265 |
int error; |
1266 |
||
1267 |
*nvp = NULL; |
|
1268 |
||
1269 |
if (perms) { |
|
1270 |
if ((error = nvlist_alloc(&perms_nvp, |
|
1271 |
NV_UNIQUE_NAME, 0)) != 0) { |
|
1272 |
return (1); |
|
1273 |
} |
|
1274 |
if ((error = nvlist_alloc(&sets_nvp, |
|
1275 |
NV_UNIQUE_NAME, 0)) != 0) { |
|
1276 |
nvlist_free(perms_nvp); |
|
1277 |
return (1); |
|
1278 |
} |
|
1279 |
} |
|
1280 |
||
1281 |
if ((error = nvlist_alloc(&who_nvp, NV_UNIQUE_NAME, 0)) != 0) { |
|
1282 |
if (perms_nvp) |
|
1283 |
nvlist_free(perms_nvp); |
|
1284 |
if (sets_nvp) |
|
1285 |
nvlist_free(sets_nvp); |
|
1286 |
return (1); |
|
1287 |
} |
|
1288 |
||
1289 |
if (who_type == ZFS_DELEG_NAMED_SET) { |
|
1290 |
namecheck_err_t why; |
|
1291 |
char what; |
|
1292 |
||
1293 |
if ((error = permset_namecheck(whostr, &why, &what)) != 0) { |
|
4787 | 1294 |
nvlist_free(who_nvp); |
1295 |
if (perms_nvp) |
|
1296 |
nvlist_free(perms_nvp); |
|
1297 |
if (sets_nvp) |
|
1298 |
nvlist_free(sets_nvp); |
|
1299 |
||
4543 | 1300 |
switch (why) { |
1301 |
case NAME_ERR_NO_AT: |
|
1302 |
zfs_error_aux(zhp->zfs_hdl, |
|
1303 |
dgettext(TEXT_DOMAIN, |
|
1304 |
"set definition must begin with an '@' " |
|
1305 |
"character")); |
|
1306 |
} |
|
1307 |
return (zfs_error(zhp->zfs_hdl, |
|
1308 |
EZFS_BADPERMSET, whostr)); |
|
1309 |
} |
|
1310 |
} |
|
1311 |
||
1312 |
/* |
|
1313 |
* Build up nvlist(s) of permissions. Two nvlists are maintained. |
|
1314 |
* The first nvlist perms_nvp will have normal permissions and the |
|
1315 |
* other sets_nvp will have only permssion set names in it. |
|
1316 |
*/ |
|
4787 | 1317 |
for (perm = strtok(perms, ","); perm; perm = strtok(NULL, ",")) { |
1318 |
const char *perm_canonical = zfs_deleg_canonicalize_perm(perm); |
|
1319 |
||
1320 |
if (perm_canonical) { |
|
1321 |
verify(nvlist_add_boolean(perms_nvp, |
|
1322 |
perm_canonical) == 0); |
|
1323 |
} else if (perm[0] == '@') { |
|
1324 |
verify(nvlist_add_boolean(sets_nvp, perm) == 0); |
|
1325 |
} else { |
|
1326 |
nvlist_free(who_nvp); |
|
1327 |
nvlist_free(perms_nvp); |
|
1328 |
nvlist_free(sets_nvp); |
|
1329 |
return (zfs_error(zhp->zfs_hdl, EZFS_BADPERM, perm)); |
|
4543 | 1330 |
} |
1331 |
} |
|
1332 |
||
1333 |
if (whostr && who_type != ZFS_DELEG_CREATE) { |
|
1334 |
who_tok = strtok(whostr, ","); |
|
1335 |
if (who_tok == NULL) { |
|
1336 |
nvlist_free(who_nvp); |
|
4787 | 1337 |
if (perms_nvp) |
1338 |
nvlist_free(perms_nvp); |
|
4543 | 1339 |
if (sets_nvp) |
1340 |
nvlist_free(sets_nvp); |
|
1341 |
(void) snprintf(errbuf, sizeof (errbuf), |
|
1342 |
dgettext(TEXT_DOMAIN, "Who string is NULL"), |
|
1343 |
whostr); |
|
1344 |
return (zfs_error(zhp->zfs_hdl, EZFS_BADWHO, errbuf)); |
|
1345 |
} |
|
1346 |
} |
|
1347 |
||
1348 |
/* |
|
1349 |
* Now create the nvlist(s) |
|
1350 |
*/ |
|
1351 |
do { |
|
1352 |
uint64_t who_id; |
|
1353 |
||
1354 |
error = zfs_get_perm_who(who_tok, &who_type, |
|
1355 |
&who_id); |
|
1356 |
if (error) { |
|
1357 |
nvlist_free(who_nvp); |
|
4787 | 1358 |
if (perms_nvp) |
1359 |
nvlist_free(perms_nvp); |
|
4543 | 1360 |
if (sets_nvp) |
1361 |
nvlist_free(sets_nvp); |
|
1362 |
(void) snprintf(errbuf, sizeof (errbuf), |
|
1363 |
dgettext(TEXT_DOMAIN, |
|
1364 |
"Unable to determine uid/gid for " |
|
1365 |
"%s "), who_tok); |
|
1366 |
return (zfs_error(zhp->zfs_hdl, EZFS_BADWHO, errbuf)); |
|
1367 |
} |
|
1368 |
||
1369 |
/* |
|
1370 |
* add entries for both local and descendent when required |
|
1371 |
*/ |
|
1372 |
zfs_perms_add_who_nvlist(who_nvp, who_id, who_tok, |
|
1373 |
perms_nvp, sets_nvp, who_type, inherit); |
|
1374 |
||
1375 |
} while (who_tok = strtok(NULL, ",")); |
|
1376 |
*nvp = who_nvp; |
|
1377 |
return (0); |
|
1378 |
} |
|
1379 |
||
1380 |
static int |
|
1381 |
zfs_perm_set_common(zfs_handle_t *zhp, nvlist_t *nvp, boolean_t unset) |
|
1382 |
{ |
|
1383 |
zfs_cmd_t zc = { 0 }; |
|
1384 |
int error; |
|
1385 |
char errbuf[1024]; |
|
1386 |
||
1387 |
(void) snprintf(errbuf, sizeof (errbuf), |
|
1388 |
dgettext(TEXT_DOMAIN, "Cannot update 'allows' for '%s'"), |
|
1389 |
zhp->zfs_name); |
|
1390 |
||
5094 | 1391 |
if (zcmd_write_src_nvlist(zhp->zfs_hdl, &zc, nvp)) |
4543 | 1392 |
return (-1); |
1393 |
||
1394 |
(void) strlcpy(zc.zc_name, zhp->zfs_name, sizeof (zc.zc_name)); |
|
1395 |
zc.zc_perm_action = unset; |
|
1396 |
||
1397 |
error = zfs_ioctl(zhp->zfs_hdl, ZFS_IOC_SET_FSACL, &zc); |
|
1398 |
if (error && errno == ENOTSUP) { |
|
1399 |
(void) snprintf(errbuf, sizeof (errbuf), |
|
1400 |
gettext("Pool must be upgraded to use 'allow/unallow'")); |
|
1401 |
zcmd_free_nvlists(&zc); |
|
1402 |
return (zfs_error(zhp->zfs_hdl, EZFS_BADVERSION, errbuf)); |
|
1403 |
} else if (error) { |
|
1404 |
return (zfs_standard_error(zhp->zfs_hdl, errno, errbuf)); |
|
1405 |
} |
|
1406 |
zcmd_free_nvlists(&zc); |
|
1407 |
||
1408 |
return (error); |
|
1409 |
} |
|
1410 |
||
1411 |
int |
|
1412 |
zfs_perm_set(zfs_handle_t *zhp, nvlist_t *nvp) |
|
1413 |
{ |
|
1414 |
return (zfs_perm_set_common(zhp, nvp, B_FALSE)); |
|
1415 |
} |
|
1416 |
||
1417 |
int |
|
1418 |
zfs_perm_remove(zfs_handle_t *zhp, nvlist_t *perms) |
|
1419 |
{ |
|
1420 |
return (zfs_perm_set_common(zhp, perms, B_TRUE)); |
|
1421 |
} |
|
1422 |
||
1423 |
static int |
|
1424 |
perm_compare(const void *arg1, const void *arg2) |
|
1425 |
{ |
|
1426 |
const zfs_perm_node_t *node1 = arg1; |
|
1427 |
const zfs_perm_node_t *node2 = arg2; |
|
1428 |
int ret; |
|
1429 |
||
1430 |
ret = strcmp(node1->z_pname, node2->z_pname); |
|
1431 |
||
1432 |
if (ret > 0) |
|
1433 |
return (1); |
|
1434 |
if (ret < 0) |
|
1435 |
return (-1); |
|
1436 |
else |
|
1437 |
return (0); |
|
1438 |
} |
|
1439 |
||
1440 |
static void |
|
1441 |
zfs_destroy_perm_tree(avl_tree_t *tree) |
|
1442 |
{ |
|
1443 |
zfs_perm_node_t *permnode; |
|
5367 | 1444 |
void *cookie = NULL; |
1445 |
||
1446 |
while ((permnode = avl_destroy_nodes(tree, &cookie)) != NULL) |
|
4543 | 1447 |
free(permnode); |
5367 | 1448 |
avl_destroy(tree); |
4543 | 1449 |
} |
1450 |
||
1451 |
static void |
|
1452 |
zfs_destroy_tree(avl_tree_t *tree) |
|
1453 |
{ |
|
1454 |
zfs_allow_node_t *allownode; |
|
5367 | 1455 |
void *cookie = NULL; |
1456 |
||
4543 | 1457 |
while ((allownode = avl_destroy_nodes(tree, &cookie)) != NULL) { |
1458 |
zfs_destroy_perm_tree(&allownode->z_localdescend); |
|
1459 |
zfs_destroy_perm_tree(&allownode->z_local); |
|
1460 |
zfs_destroy_perm_tree(&allownode->z_descend); |
|
1461 |
free(allownode); |
|
1462 |
} |
|
5367 | 1463 |
avl_destroy(tree); |
4543 | 1464 |
} |
1465 |
||
1466 |
void |
|
1467 |
zfs_free_allows(zfs_allow_t *allow) |
|
1468 |
{ |
|
1469 |
zfs_allow_t *allownext; |
|
1470 |
zfs_allow_t *freeallow; |
|
1471 |
||
1472 |
allownext = allow; |
|
1473 |
while (allownext) { |
|
1474 |
zfs_destroy_tree(&allownext->z_sets); |
|
1475 |
zfs_destroy_tree(&allownext->z_crperms); |
|
1476 |
zfs_destroy_tree(&allownext->z_user); |
|
1477 |
zfs_destroy_tree(&allownext->z_group); |
|
1478 |
zfs_destroy_tree(&allownext->z_everyone); |
|
1479 |
freeallow = allownext; |
|
1480 |
allownext = allownext->z_next; |
|
1481 |
free(freeallow); |
|
1482 |
} |
|
1483 |
} |
|
1484 |
||
1485 |
static zfs_allow_t * |
|
1486 |
zfs_alloc_perm_tree(zfs_handle_t *zhp, zfs_allow_t *prev, char *setpoint) |
|
1487 |
{ |
|
1488 |
zfs_allow_t *ptree; |
|
1489 |
||
1490 |
if ((ptree = zfs_alloc(zhp->zfs_hdl, |
|
1491 |
sizeof (zfs_allow_t))) == NULL) { |
|
1492 |
return (NULL); |
|
1493 |
} |
|
1494 |
||
1495 |
(void) strlcpy(ptree->z_setpoint, setpoint, sizeof (ptree->z_setpoint)); |
|
1496 |
avl_create(&ptree->z_sets, |
|
1497 |
perm_compare, sizeof (zfs_allow_node_t), |
|
1498 |
offsetof(zfs_allow_node_t, z_node)); |
|
1499 |
avl_create(&ptree->z_crperms, |
|
1500 |
perm_compare, sizeof (zfs_allow_node_t), |
|
1501 |
offsetof(zfs_allow_node_t, z_node)); |
|
1502 |
avl_create(&ptree->z_user, |
|
1503 |
perm_compare, sizeof (zfs_allow_node_t), |
|
1504 |
offsetof(zfs_allow_node_t, z_node)); |
|
1505 |
avl_create(&ptree->z_group, |
|
1506 |
perm_compare, sizeof (zfs_allow_node_t), |
|
1507 |
offsetof(zfs_allow_node_t, z_node)); |
|
1508 |
avl_create(&ptree->z_everyone, |
|
1509 |
perm_compare, sizeof (zfs_allow_node_t), |
|
1510 |
offsetof(zfs_allow_node_t, z_node)); |
|
1511 |
||
1512 |
if (prev) |
|
1513 |
prev->z_next = ptree; |
|
1514 |
ptree->z_next = NULL; |
|
1515 |
return (ptree); |
|
1516 |
} |
|
1517 |
||
1518 |
/* |
|
1519 |
* Add permissions to the appropriate AVL permission tree. |
|
1520 |
* The appropriate tree may not be the requested tree. |
|
1521 |
* For example if ld indicates a local permission, but |
|
1522 |
* same permission also exists as a descendent permission |
|
1523 |
* then the permission will be removed from the descendent |
|
1524 |
* tree and add the the local+descendent tree. |
|
1525 |
*/ |
|
1526 |
static int |
|
1527 |
zfs_coalesce_perm(zfs_handle_t *zhp, zfs_allow_node_t *allownode, |
|
1528 |
char *perm, char ld) |
|
1529 |
{ |
|
1530 |
zfs_perm_node_t pnode, *permnode, *permnode2; |
|
1531 |
zfs_perm_node_t *newnode; |
|
1532 |
avl_index_t where, where2; |
|
1533 |
avl_tree_t *tree, *altree; |
|
1534 |
||
1535 |
(void) strlcpy(pnode.z_pname, perm, sizeof (pnode.z_pname)); |
|
1536 |
||
1537 |
if (ld == ZFS_DELEG_NA) { |
|
1538 |
tree = &allownode->z_localdescend; |
|
1539 |
altree = &allownode->z_descend; |
|
1540 |
} else if (ld == ZFS_DELEG_LOCAL) { |
|
1541 |
tree = &allownode->z_local; |
|
1542 |
altree = &allownode->z_descend; |
|
1543 |
} else { |
|
1544 |
tree = &allownode->z_descend; |
|
1545 |
altree = &allownode->z_local; |
|
1546 |
} |
|
1547 |
permnode = avl_find(tree, &pnode, &where); |
|
1548 |
permnode2 = avl_find(altree, &pnode, &where2); |
|
1549 |
||
1550 |
if (permnode2) { |
|
1551 |
avl_remove(altree, permnode2); |
|
1552 |
free(permnode2); |
|
1553 |
if (permnode == NULL) { |
|
1554 |
tree = &allownode->z_localdescend; |
|
1555 |
} |
|
1556 |
} |
|
1557 |
||
1558 |
/* |
|
1559 |
* Now insert new permission in either requested location |
|
1560 |
* local/descendent or into ld when perm will exist in both. |
|
1561 |
*/ |
|
1562 |
if (permnode == NULL) { |
|
1563 |
if ((newnode = zfs_alloc(zhp->zfs_hdl, |
|
1564 |
sizeof (zfs_perm_node_t))) == NULL) { |
|
1565 |
return (-1); |
|
1566 |
} |
|
1567 |
*newnode = pnode; |
|
1568 |
avl_add(tree, newnode); |
|
1569 |
} |
|
1570 |
return (0); |
|
1571 |
} |
|
4577 | 1572 |
|
4543 | 1573 |
/* |
1574 |
* Uggh, this is going to be a bit complicated. |
|
1575 |
* we have an nvlist coming out of the kernel that |
|
1576 |
* will indicate where the permission is set and then |
|
1577 |
* it will contain allow of the various "who's", and what |
|
1578 |
* their permissions are. To further complicate this |
|
1579 |
* we will then have to coalesce the local,descendent |
|
1580 |
* and local+descendent permissions where appropriate. |
|
1581 |
* The kernel only knows about a permission as being local |
|
1582 |
* or descendent, but not both. |
|
1583 |
* |
|
1584 |
* In order to make this easier for zfs_main to deal with |
|
1585 |
* a series of AVL trees will be used to maintain |
|
1586 |
* all of this, primarily for sorting purposes as well |
|
1587 |
* as the ability to quickly locate a specific entry. |
|
1588 |
* |
|
1589 |
* What we end up with are tree's for sets, create perms, |
|
1590 |
* user, groups and everyone. With each of those trees |
|
1591 |
* we have subtrees for local, descendent and local+descendent |
|
1592 |
* permissions. |
|
1593 |
*/ |
|
1594 |
int |
|
1595 |
zfs_perm_get(zfs_handle_t *zhp, zfs_allow_t **zfs_perms) |
|
1596 |
{ |
|
1597 |
zfs_cmd_t zc = { 0 }; |
|
1598 |
int error; |
|
1599 |
nvlist_t *nvlist; |
|
1600 |
nvlist_t *permnv, *sourcenv; |
|
1601 |
nvpair_t *who_pair, *source_pair; |
|
1602 |
nvpair_t *perm_pair; |
|
1603 |
char errbuf[1024]; |
|
1604 |
zfs_allow_t *zallowp, *newallowp; |
|
1605 |
char ld; |
|
1606 |
char *nvpname; |
|
1607 |
uid_t uid; |
|
1608 |
gid_t gid; |
|
1609 |
avl_tree_t *tree; |
|
1610 |
avl_index_t where; |
|
1611 |
||
1612 |
(void) strlcpy(zc.zc_name, zhp->zfs_name, sizeof (zc.zc_name)); |
|
1613 |
||
1614 |
if (zcmd_alloc_dst_nvlist(zhp->zfs_hdl, &zc, 0) != 0) |
|
1615 |
return (-1); |
|
1616 |
||
1617 |
while (ioctl(zhp->zfs_hdl->libzfs_fd, ZFS_IOC_GET_FSACL, &zc) != 0) { |
|
1618 |
if (errno == ENOMEM) { |
|
1619 |
if (zcmd_expand_dst_nvlist(zhp->zfs_hdl, &zc) != 0) { |
|
1620 |
zcmd_free_nvlists(&zc); |
|
1621 |
return (-1); |
|
1622 |
} |
|
1623 |
} else if (errno == ENOTSUP) { |
|
1624 |
zcmd_free_nvlists(&zc); |
|
1625 |
(void) snprintf(errbuf, sizeof (errbuf), |
|
1626 |
gettext("Pool must be upgraded to use 'allow'")); |
|
1627 |
return (zfs_error(zhp->zfs_hdl, |
|
1628 |
EZFS_BADVERSION, errbuf)); |
|
1629 |
} else { |
|
1630 |
zcmd_free_nvlists(&zc); |
|
1631 |
return (-1); |
|
1632 |
} |
|
1633 |
} |
|
1634 |
||
1635 |
if (zcmd_read_dst_nvlist(zhp->zfs_hdl, &zc, &nvlist) != 0) { |
|
1636 |
zcmd_free_nvlists(&zc); |
|
1637 |
return (-1); |
|
1638 |
} |
|
1639 |
||
1640 |
zcmd_free_nvlists(&zc); |
|
1641 |
||
1642 |
source_pair = nvlist_next_nvpair(nvlist, NULL); |
|
1643 |
||
1644 |
if (source_pair == NULL) { |
|
1645 |
*zfs_perms = NULL; |
|
1646 |
return (0); |
|
1647 |
} |
|
1648 |
||
1649 |
*zfs_perms = zfs_alloc_perm_tree(zhp, NULL, nvpair_name(source_pair)); |
|
1650 |
if (*zfs_perms == NULL) { |
|
1651 |
return (0); |
|
1652 |
} |
|
1653 |
||
1654 |
zallowp = *zfs_perms; |
|
1655 |
||
1656 |
for (;;) { |
|
1657 |
struct passwd *pwd; |
|
1658 |
struct group *grp; |
|
1659 |
zfs_allow_node_t *allownode; |
|
1660 |
zfs_allow_node_t findallownode; |
|
1661 |
zfs_allow_node_t *newallownode; |
|
1662 |
||
1663 |
(void) strlcpy(zallowp->z_setpoint, |
|
1664 |
nvpair_name(source_pair), |
|
1665 |
sizeof (zallowp->z_setpoint)); |
|
1666 |
||
1667 |
if ((error = nvpair_value_nvlist(source_pair, &sourcenv)) != 0) |
|
1668 |
goto abort; |
|
1669 |
||
1670 |
/* |
|
1671 |
* Make sure nvlist is composed correctly |
|
1672 |
*/ |
|
1673 |
if (zfs_deleg_verify_nvlist(sourcenv)) { |
|
1674 |
goto abort; |
|
1675 |
} |
|
1676 |
||
1677 |
who_pair = nvlist_next_nvpair(sourcenv, NULL); |
|
1678 |
if (who_pair == NULL) { |
|
1679 |
goto abort; |
|
1680 |
} |
|
1681 |
||
1682 |
do { |
|
1683 |
error = nvpair_value_nvlist(who_pair, &permnv); |
|
1684 |
if (error) { |
|
1685 |
goto abort; |
|
1686 |
} |
|
1687 |
||
1688 |
/* |
|
1689 |
* First build up the key to use |
|
1690 |
* for looking up in the various |
|
1691 |
* who trees. |
|
1692 |
*/ |
|
1693 |
ld = nvpair_name(who_pair)[1]; |
|
1694 |
nvpname = nvpair_name(who_pair); |
|
1695 |
switch (nvpair_name(who_pair)[0]) { |
|
1696 |
case ZFS_DELEG_USER: |
|
1697 |
case ZFS_DELEG_USER_SETS: |
|
1698 |
tree = &zallowp->z_user; |
|
1699 |
uid = atol(&nvpname[3]); |
|
1700 |
pwd = getpwuid(uid); |
|
1701 |
(void) snprintf(findallownode.z_key, |
|
1702 |
sizeof (findallownode.z_key), "user %s", |
|
1703 |
(pwd) ? pwd->pw_name : |
|
1704 |
&nvpair_name(who_pair)[3]); |
|
1705 |
break; |
|
1706 |
case ZFS_DELEG_GROUP: |
|
1707 |
case ZFS_DELEG_GROUP_SETS: |
|
1708 |
tree = &zallowp->z_group; |
|
1709 |
gid = atol(&nvpname[3]); |
|
1710 |
grp = getgrgid(gid); |
|
1711 |
(void) snprintf(findallownode.z_key, |
|
1712 |
sizeof (findallownode.z_key), "group %s", |
|
1713 |
(grp) ? grp->gr_name : |
|
1714 |
&nvpair_name(who_pair)[3]); |
|
1715 |
break; |
|
1716 |
case ZFS_DELEG_CREATE: |
|
1717 |
case ZFS_DELEG_CREATE_SETS: |
|
1718 |
tree = &zallowp->z_crperms; |
|
1719 |
(void) strlcpy(findallownode.z_key, "", |
|
1720 |
sizeof (findallownode.z_key)); |
|
1721 |
break; |
|
1722 |
case ZFS_DELEG_EVERYONE: |
|
1723 |
case ZFS_DELEG_EVERYONE_SETS: |
|
1724 |
(void) snprintf(findallownode.z_key, |
|
1725 |
sizeof (findallownode.z_key), "everyone"); |
|
1726 |
tree = &zallowp->z_everyone; |
|
1727 |
break; |
|
1728 |
case ZFS_DELEG_NAMED_SET: |
|
1729 |
case ZFS_DELEG_NAMED_SET_SETS: |
|
1730 |
(void) snprintf(findallownode.z_key, |
|
1731 |
sizeof (findallownode.z_key), "%s", |
|
1732 |
&nvpair_name(who_pair)[3]); |
|
1733 |
tree = &zallowp->z_sets; |
|
1734 |
break; |
|
1735 |
} |
|
1736 |
||
1737 |
/* |
|
1738 |
* Place who in tree |
|
1739 |
*/ |
|
1740 |
allownode = avl_find(tree, &findallownode, &where); |
|
1741 |
if (allownode == NULL) { |
|
1742 |
if ((newallownode = zfs_alloc(zhp->zfs_hdl, |
|
1743 |
sizeof (zfs_allow_node_t))) == NULL) { |
|
1744 |
goto abort; |
|
1745 |
} |
|
1746 |
avl_create(&newallownode->z_localdescend, |
|
1747 |
perm_compare, |
|
1748 |
sizeof (zfs_perm_node_t), |
|
1749 |
offsetof(zfs_perm_node_t, z_node)); |
|
1750 |
avl_create(&newallownode->z_local, |
|
1751 |
perm_compare, |
|
1752 |
sizeof (zfs_perm_node_t), |
|
1753 |
offsetof(zfs_perm_node_t, z_node)); |
|
1754 |
avl_create(&newallownode->z_descend, |
|
1755 |
perm_compare, |
|
1756 |
sizeof (zfs_perm_node_t), |
|
1757 |
offsetof(zfs_perm_node_t, z_node)); |
|
1758 |
(void) strlcpy(newallownode->z_key, |
|
1759 |
findallownode.z_key, |
|
1760 |
sizeof (findallownode.z_key)); |
|
1761 |
avl_insert(tree, newallownode, where); |
|
1762 |
allownode = newallownode; |
|
1763 |
} |
|
1764 |
||
1765 |
/* |
|
1766 |
* Now iterate over the permissions and |
|
1767 |
* place them in the appropriate local, |
|
1768 |
* descendent or local+descendent tree. |
|
1769 |
* |
|
1770 |
* The permissions are added to the tree |
|
1771 |
* via zfs_coalesce_perm(). |
|
1772 |
*/ |
|
1773 |
perm_pair = nvlist_next_nvpair(permnv, NULL); |
|
1774 |
if (perm_pair == NULL) |
|
1775 |
goto abort; |
|
1776 |
do { |
|
1777 |
if (zfs_coalesce_perm(zhp, allownode, |
|
1778 |
nvpair_name(perm_pair), ld) != 0) |
|
1779 |
goto abort; |
|
1780 |
} while (perm_pair = nvlist_next_nvpair(permnv, |
|
1781 |
perm_pair)); |
|
1782 |
} while (who_pair = nvlist_next_nvpair(sourcenv, who_pair)); |
|
1783 |
||
1784 |
source_pair = nvlist_next_nvpair(nvlist, source_pair); |
|
1785 |
if (source_pair == NULL) |
|
1786 |
break; |
|
1787 |
||
1788 |
/* |
|
1789 |
* allocate another node from the link list of |
|
1790 |
* zfs_allow_t structures |
|
1791 |
*/ |
|
1792 |
newallowp = zfs_alloc_perm_tree(zhp, zallowp, |
|
1793 |
nvpair_name(source_pair)); |
|
1794 |
if (newallowp == NULL) { |
|
1795 |
goto abort; |
|
1796 |
} |
|
1797 |
zallowp = newallowp; |
|
1798 |
} |
|
1799 |
nvlist_free(nvlist); |
|
1800 |
return (0); |
|
1801 |
abort: |
|
1802 |
zfs_free_allows(*zfs_perms); |
|
1803 |
nvlist_free(nvlist); |
|
1804 |
return (-1); |
|
1805 |
} |
|
1806 |
||
5993 | 1807 |
static char * |
1808 |
zfs_deleg_perm_note(zfs_deleg_note_t note) |
|
1809 |
{ |
|
1810 |
/* |
|
1811 |
* Don't put newlines on end of lines |
|
1812 |
*/ |
|
1813 |
switch (note) { |
|
1814 |
case ZFS_DELEG_NOTE_CREATE: |
|
1815 |
return (dgettext(TEXT_DOMAIN, |
|
1816 |
"Must also have the 'mount' ability")); |
|
1817 |
case ZFS_DELEG_NOTE_DESTROY: |
|
1818 |
return (dgettext(TEXT_DOMAIN, |
|
1819 |
"Must also have the 'mount' ability")); |
|
1820 |
case ZFS_DELEG_NOTE_SNAPSHOT: |
|
1821 |
return (dgettext(TEXT_DOMAIN, |
|
1822 |
"Must also have the 'mount' ability")); |
|
1823 |
case ZFS_DELEG_NOTE_ROLLBACK: |
|
1824 |
return (dgettext(TEXT_DOMAIN, |
|
1825 |
"Must also have the 'mount' ability")); |
|
1826 |
case ZFS_DELEG_NOTE_CLONE: |
|
1827 |
return (dgettext(TEXT_DOMAIN, "Must also have the 'create' " |
|
1828 |
"ability and 'mount'\n" |
|
1829 |
"\t\t\t\tability in the origin file system")); |
|
1830 |
case ZFS_DELEG_NOTE_PROMOTE: |
|
1831 |
return (dgettext(TEXT_DOMAIN, "Must also have the 'mount'\n" |
|
1832 |
"\t\t\t\tand 'promote' ability in the origin file system")); |
|
1833 |
case ZFS_DELEG_NOTE_RENAME: |
|
1834 |
return (dgettext(TEXT_DOMAIN, "Must also have the 'mount' " |
|
1835 |
"and 'create' \n\t\t\t\tability in the new parent")); |
|
1836 |
case ZFS_DELEG_NOTE_RECEIVE: |
|
1837 |
return (dgettext(TEXT_DOMAIN, "Must also have the 'mount'" |
|
1838 |
" and 'create' ability")); |
|
1839 |
case ZFS_DELEG_NOTE_USERPROP: |
|
1840 |
return (dgettext(TEXT_DOMAIN, |
|
1841 |
"Allows changing any user property")); |
|
1842 |
case ZFS_DELEG_NOTE_ALLOW: |
|
1843 |
return (dgettext(TEXT_DOMAIN, |
|
1844 |
"Must also have the permission that is being\n" |
|
1845 |
"\t\t\t\tallowed")); |
|
1846 |
case ZFS_DELEG_NOTE_MOUNT: |
|
1847 |
return (dgettext(TEXT_DOMAIN, |
|
1848 |
"Allows mount/umount of ZFS datasets")); |
|
1849 |
case ZFS_DELEG_NOTE_SHARE: |
|
1850 |
return (dgettext(TEXT_DOMAIN, |
|
1851 |
"Allows sharing file systems over NFS or SMB\n" |
|
1852 |
"\t\t\t\tprotocols")); |
|
1853 |
case ZFS_DELEG_NOTE_NONE: |
|
1854 |
default: |
|
1855 |
return (dgettext(TEXT_DOMAIN, "")); |
|
1856 |
} |
|
1857 |
} |
|
1858 |
||
1859 |
typedef enum { |
|
1860 |
ZFS_DELEG_SUBCOMMAND, |
|
1861 |
ZFS_DELEG_PROP, |
|
1862 |
ZFS_DELEG_OTHER |
|
1863 |
} zfs_deleg_perm_type_t; |
|
1864 |
||
1865 |
/* |
|
1866 |
* is the permission a subcommand or other? |
|
1867 |
*/ |
|
1868 |
zfs_deleg_perm_type_t |
|
1869 |
zfs_deleg_perm_type(const char *perm) |
|
1870 |
{ |
|
1871 |
if (strcmp(perm, "userprop") == 0) |
|
1872 |
return (ZFS_DELEG_OTHER); |
|
1873 |
else |
|
1874 |
return (ZFS_DELEG_SUBCOMMAND); |
|
1875 |
} |
|
1876 |
||
1877 |
static char * |
|
1878 |
zfs_deleg_perm_type_str(zfs_deleg_perm_type_t type) |
|
1879 |
{ |
|
1880 |
switch (type) { |
|
1881 |
case ZFS_DELEG_SUBCOMMAND: |
|
1882 |
return (dgettext(TEXT_DOMAIN, "subcommand")); |
|
1883 |
case ZFS_DELEG_PROP: |
|
1884 |
return (dgettext(TEXT_DOMAIN, "property")); |
|
1885 |
case ZFS_DELEG_OTHER: |
|
1886 |
return (dgettext(TEXT_DOMAIN, "other")); |
|
1887 |
} |
|
1888 |
return (""); |
|
1889 |
} |
|
1890 |
||
1891 |
/*ARGSUSED*/ |
|
1892 |
static int |
|
1893 |
zfs_deleg_prop_cb(int prop, void *cb) |
|
1894 |
{ |
|
1895 |
if (zfs_prop_delegatable(prop)) |
|
1896 |
(void) fprintf(stderr, "%-15s %-15s\n", zfs_prop_to_name(prop), |
|
1897 |
zfs_deleg_perm_type_str(ZFS_DELEG_PROP)); |
|
1898 |
||
1899 |
return (ZPROP_CONT); |
|
1900 |
} |
|
1901 |
||
1902 |
void |
|
1903 |
zfs_deleg_permissions(void) |
|
1904 |
{ |
|
1905 |
int i; |
|
1906 |
||
1907 |
(void) fprintf(stderr, "\n%-15s %-15s\t%s\n\n", "NAME", |
|
1908 |
"TYPE", "NOTES"); |
|
1909 |
||
1910 |
/* |
|
1911 |
* First print out the subcommands |
|
1912 |
*/ |
|
1913 |
for (i = 0; zfs_deleg_perm_tab[i].z_perm != NULL; i++) { |
|
1914 |
(void) fprintf(stderr, "%-15s %-15s\t%s\n", |
|
1915 |
zfs_deleg_perm_tab[i].z_perm, |
|
1916 |
zfs_deleg_perm_type_str( |
|
1917 |
zfs_deleg_perm_type(zfs_deleg_perm_tab[i].z_perm)), |
|
1918 |
zfs_deleg_perm_note(zfs_deleg_perm_tab[i].z_note)); |
|
1919 |
} |
|
1920 |
||
1921 |
(void) zprop_iter(zfs_deleg_prop_cb, NULL, B_FALSE, B_TRUE, |
|
1922 |
ZFS_TYPE_DATASET|ZFS_TYPE_VOLUME); |
|
1923 |
} |
|
1924 |
||
789 | 1925 |
/* |
1926 |
* Given a property name and value, set the property for the given dataset. |
|
1927 |
*/ |
|
1928 |
int |
|
2676 | 1929 |
zfs_prop_set(zfs_handle_t *zhp, const char *propname, const char *propval) |
789 | 1930 |
{ |
1931 |
zfs_cmd_t zc = { 0 }; |
|
2676 | 1932 |
int ret = -1; |
1933 |
prop_changelist_t *cl = NULL; |
|
2082 | 1934 |
char errbuf[1024]; |
1935 |
libzfs_handle_t *hdl = zhp->zfs_hdl; |
|
2676 | 1936 |
nvlist_t *nvl = NULL, *realprops; |
1937 |
zfs_prop_t prop; |
|
7509
24f6b0f4654f
6739303 Setting canmount=noauto should not require unmounting and remounting a dataset
Mark J Musante <Mark.Musante@Sun.COM>
parents:
7390
diff
changeset
|
1938 |
boolean_t do_prefix; |
24f6b0f4654f
6739303 Setting canmount=noauto should not require unmounting and remounting a dataset
Mark J Musante <Mark.Musante@Sun.COM>
parents:
7390
diff
changeset
|
1939 |
uint64_t idx; |
2082 | 1940 |
|
1941 |
(void) snprintf(errbuf, sizeof (errbuf), |
|
2676 | 1942 |
dgettext(TEXT_DOMAIN, "cannot set property for '%s'"), |
2082 | 1943 |
zhp->zfs_name); |
1944 |
||
2676 | 1945 |
if (nvlist_alloc(&nvl, NV_UNIQUE_NAME, 0) != 0 || |
1946 |
nvlist_add_string(nvl, propname, propval) != 0) { |
|
1947 |
(void) no_memory(hdl); |
|
1948 |
goto error; |
|
789 | 1949 |
} |
1950 |
||
7184
9508660f9c27
PSARC 2008/223 Pool root file system properties via zpool(1M)
timh
parents:
7042
diff
changeset
|
1951 |
if ((realprops = zfs_valid_proplist(hdl, zhp->zfs_type, nvl, |
2676 | 1952 |
zfs_prop_get_int(zhp, ZFS_PROP_ZONED), zhp, errbuf)) == NULL) |
1953 |
goto error; |
|
5094 | 1954 |
|
2676 | 1955 |
nvlist_free(nvl); |
1956 |
nvl = realprops; |
|
1957 |
||
1958 |
prop = zfs_name_to_prop(propname); |
|
1959 |
||
7366
33de5956afbb
6678308 zfs receive dumps core when -n is used, fails on replication stream
Tim Haley <Tim.Haley@Sun.COM>
parents:
7301
diff
changeset
|
1960 |
if ((cl = changelist_gather(zhp, prop, 0, 0)) == NULL) |
2676 | 1961 |
goto error; |
789 | 1962 |
|
1963 |
if (prop == ZFS_PROP_MOUNTPOINT && changelist_haszonedchild(cl)) { |
|
2082 | 1964 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
1965 |
"child dataset with inherited mountpoint is used " |
|
1966 |
"in a non-global zone")); |
|
1967 |
ret = zfs_error(hdl, EZFS_ZONED, errbuf); |
|
789 | 1968 |
goto error; |
1969 |
} |
|
1970 |
||
7509
24f6b0f4654f
6739303 Setting canmount=noauto should not require unmounting and remounting a dataset
Mark J Musante <Mark.Musante@Sun.COM>
parents:
7390
diff
changeset
|
1971 |
/* |
24f6b0f4654f
6739303 Setting canmount=noauto should not require unmounting and remounting a dataset
Mark J Musante <Mark.Musante@Sun.COM>
parents:
7390
diff
changeset
|
1972 |
* If the dataset's canmount property is being set to noauto, |
24f6b0f4654f
6739303 Setting canmount=noauto should not require unmounting and remounting a dataset
Mark J Musante <Mark.Musante@Sun.COM>
parents:
7390
diff
changeset
|
1973 |
* then we want to prevent unmounting & remounting it. |
24f6b0f4654f
6739303 Setting canmount=noauto should not require unmounting and remounting a dataset
Mark J Musante <Mark.Musante@Sun.COM>
parents:
7390
diff
changeset
|
1974 |
*/ |
24f6b0f4654f
6739303 Setting canmount=noauto should not require unmounting and remounting a dataset
Mark J Musante <Mark.Musante@Sun.COM>
parents:
7390
diff
changeset
|
1975 |
do_prefix = !((prop == ZFS_PROP_CANMOUNT) && |
24f6b0f4654f
6739303 Setting canmount=noauto should not require unmounting and remounting a dataset
Mark J Musante <Mark.Musante@Sun.COM>
parents:
7390
diff
changeset
|
1976 |
(zprop_string_to_index(prop, propval, &idx, |
24f6b0f4654f
6739303 Setting canmount=noauto should not require unmounting and remounting a dataset
Mark J Musante <Mark.Musante@Sun.COM>
parents:
7390
diff
changeset
|
1977 |
ZFS_TYPE_DATASET) == 0) && (idx == ZFS_CANMOUNT_NOAUTO)); |
6168
51c045dcc498
PSARC 2008/168 Support for ZFS property value canmount=noauto
hs24103
parents:
5993
diff
changeset
|
1978 |
|
51c045dcc498
PSARC 2008/168 Support for ZFS property value canmount=noauto
hs24103
parents:
5993
diff
changeset
|
1979 |
if (do_prefix && (ret = changelist_prefix(cl)) != 0) |
7509
24f6b0f4654f
6739303 Setting canmount=noauto should not require unmounting and remounting a dataset
Mark J Musante <Mark.Musante@Sun.COM>
parents:
7390
diff
changeset
|
1980 |
goto error; |
789 | 1981 |
|
1982 |
/* |
|
1983 |
* Execute the corresponding ioctl() to set this property. |
|
1984 |
*/ |
|
1985 |
(void) strlcpy(zc.zc_name, zhp->zfs_name, sizeof (zc.zc_name)); |
|
1986 |
||
5094 | 1987 |
if (zcmd_write_src_nvlist(hdl, &zc, nvl) != 0) |
2676 | 1988 |
goto error; |
1989 |
||
4543 | 1990 |
ret = zfs_ioctl(hdl, ZFS_IOC_SET_PROP, &zc); |
789 | 1991 |
if (ret != 0) { |
1992 |
switch (errno) { |
|
1993 |
||
1994 |
case ENOSPC: |
|
1995 |
/* |
|
1996 |
* For quotas and reservations, ENOSPC indicates |
|
1997 |
* something different; setting a quota or reservation |
|
1998 |
* doesn't use any disk space. |
|
1999 |
*/ |
|
2000 |
switch (prop) { |
|
2001 |
case ZFS_PROP_QUOTA: |
|
5378
111aa1baa84a
PSARC 2007/555 zfs fs-only quotas and reservations
ck153898
parents:
5375
diff
changeset
|
2002 |
case ZFS_PROP_REFQUOTA: |
2082 | 2003 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
2004 |
"size is less than current used or " |
|
2005 |
"reserved space")); |
|
2006 |
(void) zfs_error(hdl, EZFS_PROPSPACE, errbuf); |
|
789 | 2007 |
break; |
2008 |
||
2009 |
case ZFS_PROP_RESERVATION: |
|
5378
111aa1baa84a
PSARC 2007/555 zfs fs-only quotas and reservations
ck153898
parents:
5375
diff
changeset
|
2010 |
case ZFS_PROP_REFRESERVATION: |
2082 | 2011 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
2012 |
"size is greater than available space")); |
|
2013 |
(void) zfs_error(hdl, EZFS_PROPSPACE, errbuf); |
|
789 | 2014 |
break; |
2015 |
||
2016 |
default: |
|
2082 | 2017 |
(void) zfs_standard_error(hdl, errno, errbuf); |
789 | 2018 |
break; |
2019 |
} |
|
2020 |
break; |
|
2021 |
||
2022 |
case EBUSY: |
|
2082 | 2023 |
if (prop == ZFS_PROP_VOLBLOCKSIZE) |
2024 |
(void) zfs_error(hdl, EZFS_VOLHASDATA, errbuf); |
|
2025 |
else |
|
2676 | 2026 |
(void) zfs_standard_error(hdl, EBUSY, errbuf); |
789 | 2027 |
break; |
2028 |
||
1175
759d20c7e57b
6366265 attach/replace should allow a new device size at least the min of all devs in a mirror/raidz
lling
parents:
1133
diff
changeset
|
2029 |
case EROFS: |
2082 | 2030 |
(void) zfs_error(hdl, EZFS_DSREADONLY, errbuf); |
1175
759d20c7e57b
6366265 attach/replace should allow a new device size at least the min of all devs in a mirror/raidz
lling
parents:
1133
diff
changeset
|
2031 |
break; |
759d20c7e57b
6366265 attach/replace should allow a new device size at least the min of all devs in a mirror/raidz
lling
parents:
1133
diff
changeset
|
2032 |
|
3886
3291401d66a6
6536602 add zlib compression support and upgrade to version 1.2.3
ahl
parents:
3835
diff
changeset
|
2033 |
case ENOTSUP: |
3291401d66a6
6536602 add zlib compression support and upgrade to version 1.2.3
ahl
parents:
3835
diff
changeset
|
2034 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
5977
33727f49aeaa
6654731 sharesmb property should only be settable on CIFS aware ZPL
marks
parents:
5751
diff
changeset
|
2035 |
"pool and or dataset must be upgraded to set this " |
4603
c7840c367d00
6494569 zfs recv -d pool/<doesn't exist> core dumps for top-level filesystem backups
ahrens
parents:
4597
diff
changeset
|
2036 |
"property or value")); |
3886
3291401d66a6
6536602 add zlib compression support and upgrade to version 1.2.3
ahl
parents:
3835
diff
changeset
|
2037 |
(void) zfs_error(hdl, EZFS_BADVERSION, errbuf); |
3291401d66a6
6536602 add zlib compression support and upgrade to version 1.2.3
ahl
parents:
3835
diff
changeset
|
2038 |
break; |
3291401d66a6
6536602 add zlib compression support and upgrade to version 1.2.3
ahl
parents:
3835
diff
changeset
|
2039 |
|
7042
46fc4b6db23e
6721094 Setting certain properties on root pools should not be allowed
gw25295
parents:
6865
diff
changeset
|
2040 |
case ERANGE: |
46fc4b6db23e
6721094 Setting certain properties on root pools should not be allowed
gw25295
parents:
6865
diff
changeset
|
2041 |
if (prop == ZFS_PROP_COMPRESSION) { |
46fc4b6db23e
6721094 Setting certain properties on root pools should not be allowed
gw25295
parents:
6865
diff
changeset
|
2042 |
(void) zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
46fc4b6db23e
6721094 Setting certain properties on root pools should not be allowed
gw25295
parents:
6865
diff
changeset
|
2043 |
"property setting is not allowed on " |
46fc4b6db23e
6721094 Setting certain properties on root pools should not be allowed
gw25295
parents:
6865
diff
changeset
|
2044 |
"bootable datasets")); |
46fc4b6db23e
6721094 Setting certain properties on root pools should not be allowed
gw25295
parents:
6865
diff
changeset
|
2045 |
(void) zfs_error(hdl, EZFS_NOTSUP, errbuf); |
46fc4b6db23e
6721094 Setting certain properties on root pools should not be allowed
gw25295
parents:
6865
diff
changeset
|
2046 |
} else { |
46fc4b6db23e
6721094 Setting certain properties on root pools should not be allowed
gw25295
parents:
6865
diff
changeset
|
2047 |
(void) zfs_standard_error(hdl, errno, errbuf); |
46fc4b6db23e
6721094 Setting certain properties on root pools should not be allowed
gw25295
parents:
6865
diff
changeset
|
2048 |
} |
46fc4b6db23e
6721094 Setting certain properties on root pools should not be allowed
gw25295
parents:
6865
diff
changeset
|
2049 |
break; |
46fc4b6db23e
6721094 Setting certain properties on root pools should not be allowed
gw25295
parents:
6865
diff
changeset
|
2050 |
|
789 | 2051 |
case EOVERFLOW: |
2052 |
/* |
|
2053 |
* This platform can't address a volume this big. |
|
2054 |
*/ |
|
2055 |
#ifdef _ILP32 |
|
2056 |
if (prop == ZFS_PROP_VOLSIZE) { |
|
2082 | 2057 |
(void) zfs_error(hdl, EZFS_VOLTOOBIG, errbuf); |
789 | 2058 |
break; |
2059 |
} |
|
2060 |
#endif |
|
2082 | 2061 |
/* FALLTHROUGH */ |
789 | 2062 |
default: |
2082 | 2063 |
(void) zfs_standard_error(hdl, errno, errbuf); |
789 | 2064 |
} |
2065 |
} else { |
|
6168
51c045dcc498
PSARC 2008/168 Support for ZFS property value canmount=noauto
hs24103
parents:
5993
diff
changeset
|
2066 |
if (do_prefix) |
51c045dcc498
PSARC 2008/168 Support for ZFS property value canmount=noauto
hs24103
parents:
5993
diff
changeset
|
2067 |
ret = changelist_postfix(cl); |
51c045dcc498
PSARC 2008/168 Support for ZFS property value canmount=noauto
hs24103
parents:
5993
diff
changeset
|
2068 |
|
789 | 2069 |
/* |
2070 |
* Refresh the statistics so the new property value |
|
2071 |
* is reflected. |
|
2072 |
*/ |
|
6168
51c045dcc498
PSARC 2008/168 Support for ZFS property value canmount=noauto
hs24103
parents:
5993
diff
changeset
|
2073 |
if (ret == 0) |
2676 | 2074 |
(void) get_stats(zhp); |
789 | 2075 |
} |
2076 |
||
2077 |
error: |
|
2676 | 2078 |
nvlist_free(nvl); |
2079 |
zcmd_free_nvlists(&zc); |
|
2080 |
if (cl) |
|
2081 |
changelist_free(cl); |
|
789 | 2082 |
return (ret); |
2083 |
} |
|
2084 |
||
2085 |
/* |
|
2086 |
* Given a property, inherit the value from the parent dataset. |
|
2087 |
*/ |
|
2088 |
int |
|
2676 | 2089 |
zfs_prop_inherit(zfs_handle_t *zhp, const char *propname) |
789 | 2090 |
{ |
2091 |
zfs_cmd_t zc = { 0 }; |
|
2092 |
int ret; |
|
2093 |
prop_changelist_t *cl; |
|
2082 | 2094 |
libzfs_handle_t *hdl = zhp->zfs_hdl; |
2095 |
char errbuf[1024]; |
|
2676 | 2096 |
zfs_prop_t prop; |
2082 | 2097 |
|
2098 |
(void) snprintf(errbuf, sizeof (errbuf), dgettext(TEXT_DOMAIN, |
|
2099 |
"cannot inherit %s for '%s'"), propname, zhp->zfs_name); |
|
789 | 2100 |
|
5094 | 2101 |
if ((prop = zfs_name_to_prop(propname)) == ZPROP_INVAL) { |
2676 | 2102 |
/* |
2103 |
* For user properties, the amount of work we have to do is very |
|
2104 |
* small, so just do it here. |
|
2105 |
*/ |
|
2106 |
if (!zfs_prop_user(propname)) { |
|
2107 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
|
2108 |
"invalid property")); |
|
2109 |
return (zfs_error(hdl, EZFS_BADPROP, errbuf)); |
|
2110 |
} |
|
2111 |
||
2112 |
(void) strlcpy(zc.zc_name, zhp->zfs_name, sizeof (zc.zc_name)); |
|
2113 |
(void) strlcpy(zc.zc_value, propname, sizeof (zc.zc_value)); |
|
2114 |
||
4849
3a61e0a9a953
6536043 arc_byteswap_func_t and dmu_byteswap_func_t are redundant
ahrens
parents:
4801
diff
changeset
|
2115 |
if (zfs_ioctl(zhp->zfs_hdl, ZFS_IOC_INHERIT_PROP, &zc) != 0) |
2676 | 2116 |
return (zfs_standard_error(hdl, errno, errbuf)); |
2117 |
||
2118 |
return (0); |
|
2119 |
} |
|
2120 |
||
789 | 2121 |
/* |
2122 |
* Verify that this property is inheritable. |
|
2123 |
*/ |
|
2082 | 2124 |
if (zfs_prop_readonly(prop)) |
2125 |
return (zfs_error(hdl, EZFS_PROPREADONLY, errbuf)); |
|
2126 |
||
2127 |
if (!zfs_prop_inheritable(prop)) |
|
2128 |
return (zfs_error(hdl, EZFS_PROPNONINHERIT, errbuf)); |
|
789 | 2129 |
|
2130 |
/* |
|
2131 |
* Check to see if the value applies to this type |
|
2132 |
*/ |
|
2082 | 2133 |
if (!zfs_prop_valid_for_type(prop, zhp->zfs_type)) |
2134 |
return (zfs_error(hdl, EZFS_PROPTYPE, errbuf)); |
|
789 | 2135 |
|
3443
e0e00ef6cee8
6494654 zfs inherit can't handle property short names
rm160521
parents:
3417
diff
changeset
|
2136 |
/* |
e0e00ef6cee8
6494654 zfs inherit can't handle property short names
rm160521
parents:
3417
diff
changeset
|
2137 |
* Normalize the name, to get rid of shorthand abbrevations. |
e0e00ef6cee8
6494654 zfs inherit can't handle property short names
rm160521
parents:
3417
diff
changeset
|
2138 |
*/ |
e0e00ef6cee8
6494654 zfs inherit can't handle property short names
rm160521
parents:
3417
diff
changeset
|
2139 |
propname = zfs_prop_to_name(prop); |
789 | 2140 |
(void) strlcpy(zc.zc_name, zhp->zfs_name, sizeof (zc.zc_name)); |
2676 | 2141 |
(void) strlcpy(zc.zc_value, propname, sizeof (zc.zc_value)); |
789 | 2142 |
|
2143 |
if (prop == ZFS_PROP_MOUNTPOINT && getzoneid() == GLOBAL_ZONEID && |
|
2144 |
zfs_prop_get_int(zhp, ZFS_PROP_ZONED)) { |
|
2082 | 2145 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
2146 |
"dataset is used in a non-global zone")); |
|
2147 |
return (zfs_error(hdl, EZFS_ZONED, errbuf)); |
|
789 | 2148 |
} |
2149 |
||
2150 |
/* |
|
2151 |
* Determine datasets which will be affected by this change, if any. |
|
2152 |
*/ |
|
7366
33de5956afbb
6678308 zfs receive dumps core when -n is used, fails on replication stream
Tim Haley <Tim.Haley@Sun.COM>
parents:
7301
diff
changeset
|
2153 |
if ((cl = changelist_gather(zhp, prop, 0, 0)) == NULL) |
789 | 2154 |
return (-1); |
2155 |
||
2156 |
if (prop == ZFS_PROP_MOUNTPOINT && changelist_haszonedchild(cl)) { |
|
2082 | 2157 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
2158 |
"child dataset with inherited mountpoint is used " |
|
2159 |
"in a non-global zone")); |
|
2160 |
ret = zfs_error(hdl, EZFS_ZONED, errbuf); |
|
789 | 2161 |
goto error; |
2162 |
} |
|
2163 |
||
2164 |
if ((ret = changelist_prefix(cl)) != 0) |
|
2165 |
goto error; |
|
2166 |
||
4849
3a61e0a9a953
6536043 arc_byteswap_func_t and dmu_byteswap_func_t are redundant
ahrens
parents:
4801
diff
changeset
|
2167 |
if ((ret = zfs_ioctl(zhp->zfs_hdl, ZFS_IOC_INHERIT_PROP, &zc)) != 0) { |
2082 | 2168 |
return (zfs_standard_error(hdl, errno, errbuf)); |
789 | 2169 |
} else { |
2170 |
||
2169
0152c8ed1663
6385436 zfs set <property> returns an error, but still sets property value (fix build)
nd150628
parents:
2166
diff
changeset
|
2171 |
if ((ret = changelist_postfix(cl)) != 0) |
789 | 2172 |
goto error; |
2173 |
||
2174 |
/* |
|
2175 |
* Refresh the statistics so the new property is reflected. |
|
2176 |
*/ |
|
2177 |
(void) get_stats(zhp); |
|
2178 |
} |
|
2179 |
||
2180 |
error: |
|
2181 |
changelist_free(cl); |
|
2182 |
return (ret); |
|
2183 |
} |
|
2184 |
||
2185 |
/* |
|
1356
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2186 |
* True DSL properties are stored in an nvlist. The following two functions |
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2187 |
* extract them appropriately. |
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2188 |
*/ |
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2189 |
static uint64_t |
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2190 |
getprop_uint64(zfs_handle_t *zhp, zfs_prop_t prop, char **source) |
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2191 |
{ |
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2192 |
nvlist_t *nv; |
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2193 |
uint64_t value; |
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2194 |
|
2885 | 2195 |
*source = NULL; |
1356
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2196 |
if (nvlist_lookup_nvlist(zhp->zfs_props, |
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2197 |
zfs_prop_to_name(prop), &nv) == 0) { |
5094 | 2198 |
verify(nvlist_lookup_uint64(nv, ZPROP_VALUE, &value) == 0); |
2199 |
(void) nvlist_lookup_string(nv, ZPROP_SOURCE, source); |
|
1356
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2200 |
} else { |
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2201 |
value = zfs_prop_default_numeric(prop); |
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2202 |
*source = ""; |
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2203 |
} |
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2204 |
|
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2205 |
return (value); |
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2206 |
} |
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2207 |
|
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2208 |
static char * |
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2209 |
getprop_string(zfs_handle_t *zhp, zfs_prop_t prop, char **source) |
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2210 |
{ |
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2211 |
nvlist_t *nv; |
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2212 |
char *value; |
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2213 |
|
2885 | 2214 |
*source = NULL; |
1356
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2215 |
if (nvlist_lookup_nvlist(zhp->zfs_props, |
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2216 |
zfs_prop_to_name(prop), &nv) == 0) { |
5094 | 2217 |
verify(nvlist_lookup_string(nv, ZPROP_VALUE, &value) == 0); |
2218 |
(void) nvlist_lookup_string(nv, ZPROP_SOURCE, source); |
|
1356
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2219 |
} else { |
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2220 |
if ((value = (char *)zfs_prop_default_string(prop)) == NULL) |
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2221 |
value = ""; |
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2222 |
*source = ""; |
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2223 |
} |
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2224 |
|
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2225 |
return (value); |
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2226 |
} |
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2227 |
|
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2228 |
/* |
789 | 2229 |
* Internal function for getting a numeric property. Both zfs_prop_get() and |
2230 |
* zfs_prop_get_int() are built using this interface. |
|
2231 |
* |
|
2232 |
* Certain properties can be overridden using 'mount -o'. In this case, scan |
|
2233 |
* the contents of the /etc/mnttab entry, searching for the appropriate options. |
|
2234 |
* If they differ from the on-disk values, report the current values and mark |
|
2235 |
* the source "temporary". |
|
2236 |
*/ |
|
2082 | 2237 |
static int |
5094 | 2238 |
get_numeric_property(zfs_handle_t *zhp, zfs_prop_t prop, zprop_source_t *src, |
2082 | 2239 |
char **source, uint64_t *val) |
789 | 2240 |
{ |
5147
5e950ccc9585
6596190 "zfs list" is slow due to version property
rm160521
parents:
5094
diff
changeset
|
2241 |
zfs_cmd_t zc = { 0 }; |
5592 | 2242 |
nvlist_t *zplprops = NULL; |
789 | 2243 |
struct mnttab mnt; |
3265
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
2244 |
char *mntopt_on = NULL; |
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
2245 |
char *mntopt_off = NULL; |
789 | 2246 |
|
2247 |
*source = NULL; |
|
2248 |
||
3265
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
2249 |
switch (prop) { |
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
2250 |
case ZFS_PROP_ATIME: |
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
2251 |
mntopt_on = MNTOPT_ATIME; |
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
2252 |
mntopt_off = MNTOPT_NOATIME; |
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
2253 |
break; |
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
2254 |
|
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
2255 |
case ZFS_PROP_DEVICES: |
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
2256 |
mntopt_on = MNTOPT_DEVICES; |
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
2257 |
mntopt_off = MNTOPT_NODEVICES; |
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
2258 |
break; |
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
2259 |
|
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
2260 |
case ZFS_PROP_EXEC: |
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
2261 |
mntopt_on = MNTOPT_EXEC; |
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
2262 |
mntopt_off = MNTOPT_NOEXEC; |
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
2263 |
break; |
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
2264 |
|
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
2265 |
case ZFS_PROP_READONLY: |
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
2266 |
mntopt_on = MNTOPT_RO; |
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
2267 |
mntopt_off = MNTOPT_RW; |
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
2268 |
break; |
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
2269 |
|
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
2270 |
case ZFS_PROP_SETUID: |
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
2271 |
mntopt_on = MNTOPT_SETUID; |
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
2272 |
mntopt_off = MNTOPT_NOSETUID; |
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
2273 |
break; |
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
2274 |
|
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
2275 |
case ZFS_PROP_XATTR: |
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
2276 |
mntopt_on = MNTOPT_XATTR; |
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
2277 |
mntopt_off = MNTOPT_NOXATTR; |
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
2278 |
break; |
5331 | 2279 |
|
2280 |
case ZFS_PROP_NBMAND: |
|
2281 |
mntopt_on = MNTOPT_NBMAND; |
|
2282 |
mntopt_off = MNTOPT_NONBMAND; |
|
2283 |
break; |
|
3265
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
2284 |
} |
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
2285 |
|
2474
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2440
diff
changeset
|
2286 |
/* |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2440
diff
changeset
|
2287 |
* Because looking up the mount options is potentially expensive |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2440
diff
changeset
|
2288 |
* (iterating over all of /etc/mnttab), we defer its calculation until |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2440
diff
changeset
|
2289 |
* we're looking up a property which requires its presence. |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2440
diff
changeset
|
2290 |
*/ |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2440
diff
changeset
|
2291 |
if (!zhp->zfs_mntcheck && |
3265
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
2292 |
(mntopt_on != NULL || prop == ZFS_PROP_MOUNTED)) { |
8228
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
2293 |
libzfs_handle_t *hdl = zhp->zfs_hdl; |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
2294 |
struct mnttab entry; |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
2295 |
|
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
2296 |
if (libzfs_mnttab_find(hdl, zhp->zfs_name, &entry) == 0) { |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
2297 |
zhp->zfs_mntopts = zfs_strdup(hdl, |
3265
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
2298 |
entry.mnt_mntopts); |
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
2299 |
if (zhp->zfs_mntopts == NULL) |
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
2300 |
return (-1); |
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
2301 |
} |
2474
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2440
diff
changeset
|
2302 |
|
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2440
diff
changeset
|
2303 |
zhp->zfs_mntcheck = B_TRUE; |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2440
diff
changeset
|
2304 |
} |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2440
diff
changeset
|
2305 |
|
789 | 2306 |
if (zhp->zfs_mntopts == NULL) |
2307 |
mnt.mnt_mntopts = ""; |
|
2308 |
else |
|
2309 |
mnt.mnt_mntopts = zhp->zfs_mntopts; |
|
2310 |
||
2311 |
switch (prop) { |
|
2312 |
case ZFS_PROP_ATIME: |
|
3265
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
2313 |
case ZFS_PROP_DEVICES: |
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
2314 |
case ZFS_PROP_EXEC: |
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
2315 |
case ZFS_PROP_READONLY: |
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
2316 |
case ZFS_PROP_SETUID: |
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
2317 |
case ZFS_PROP_XATTR: |
5331 | 2318 |
case ZFS_PROP_NBMAND: |
2082 | 2319 |
*val = getprop_uint64(zhp, prop, source); |
2320 |
||
3265
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
2321 |
if (hasmntopt(&mnt, mntopt_on) && !*val) { |
2082 | 2322 |
*val = B_TRUE; |
789 | 2323 |
if (src) |
5094 | 2324 |
*src = ZPROP_SRC_TEMPORARY; |
3265
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
2325 |
} else if (hasmntopt(&mnt, mntopt_off) && *val) { |
2082 | 2326 |
*val = B_FALSE; |
789 | 2327 |
if (src) |
5094 | 2328 |
*src = ZPROP_SRC_TEMPORARY; |
789 | 2329 |
} |
2082 | 2330 |
break; |
789 | 2331 |
|
3265
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
2332 |
case ZFS_PROP_CANMOUNT: |
2082 | 2333 |
*val = getprop_uint64(zhp, prop, source); |
6168
51c045dcc498
PSARC 2008/168 Support for ZFS property value canmount=noauto
hs24103
parents:
5993
diff
changeset
|
2334 |
if (*val != ZFS_CANMOUNT_ON) |
3417
0630f537a7e5
6480849 source of canmount property needs improvement
rm160521
parents:
3413
diff
changeset
|
2335 |
*source = zhp->zfs_name; |
0630f537a7e5
6480849 source of canmount property needs improvement
rm160521
parents:
3413
diff
changeset
|
2336 |
else |
0630f537a7e5
6480849 source of canmount property needs improvement
rm160521
parents:
3413
diff
changeset
|
2337 |
*source = ""; /* default */ |
2082 | 2338 |
break; |
789 | 2339 |
|
2340 |
case ZFS_PROP_QUOTA: |
|
5378
111aa1baa84a
PSARC 2007/555 zfs fs-only quotas and reservations
ck153898
parents:
5375
diff
changeset
|
2341 |
case ZFS_PROP_REFQUOTA: |
789 | 2342 |
case ZFS_PROP_RESERVATION: |
5378
111aa1baa84a
PSARC 2007/555 zfs fs-only quotas and reservations
ck153898
parents:
5375
diff
changeset
|
2343 |
case ZFS_PROP_REFRESERVATION: |
2885 | 2344 |
*val = getprop_uint64(zhp, prop, source); |
2345 |
if (*val == 0) |
|
789 | 2346 |
*source = ""; /* default */ |
2347 |
else |
|
2348 |
*source = zhp->zfs_name; |
|
2082 | 2349 |
break; |
789 | 2350 |
|
2351 |
case ZFS_PROP_MOUNTED: |
|
2082 | 2352 |
*val = (zhp->zfs_mntopts != NULL); |
2353 |
break; |
|
789 | 2354 |
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3363
diff
changeset
|
2355 |
case ZFS_PROP_NUMCLONES: |
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3363
diff
changeset
|
2356 |
*val = zhp->zfs_dmustats.dds_num_clones; |
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3363
diff
changeset
|
2357 |
break; |
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3363
diff
changeset
|
2358 |
|
5147
5e950ccc9585
6596190 "zfs list" is slow due to version property
rm160521
parents:
5094
diff
changeset
|
2359 |
case ZFS_PROP_VERSION: |
5498
334b476844ca
6622831 normalization properties are not preserved by "zfs send"
timh
parents:
5481
diff
changeset
|
2360 |
case ZFS_PROP_NORMALIZE: |
334b476844ca
6622831 normalization properties are not preserved by "zfs send"
timh
parents:
5481
diff
changeset
|
2361 |
case ZFS_PROP_UTF8ONLY: |
334b476844ca
6622831 normalization properties are not preserved by "zfs send"
timh
parents:
5481
diff
changeset
|
2362 |
case ZFS_PROP_CASE: |
334b476844ca
6622831 normalization properties are not preserved by "zfs send"
timh
parents:
5481
diff
changeset
|
2363 |
if (!zfs_prop_valid_for_type(prop, zhp->zfs_head_type) || |
334b476844ca
6622831 normalization properties are not preserved by "zfs send"
timh
parents:
5481
diff
changeset
|
2364 |
zcmd_alloc_dst_nvlist(zhp->zfs_hdl, &zc, 0) != 0) |
5473
fcdd1931b3aa
6590941 zfs set mountpoint should not return 0 when it fails
rm160521
parents:
5446
diff
changeset
|
2365 |
return (-1); |
5147
5e950ccc9585
6596190 "zfs list" is slow due to version property
rm160521
parents:
5094
diff
changeset
|
2366 |
(void) strlcpy(zc.zc_name, zhp->zfs_name, sizeof (zc.zc_name)); |
5498
334b476844ca
6622831 normalization properties are not preserved by "zfs send"
timh
parents:
5481
diff
changeset
|
2367 |
if (zfs_ioctl(zhp->zfs_hdl, ZFS_IOC_OBJSET_ZPLPROPS, &zc)) { |
334b476844ca
6622831 normalization properties are not preserved by "zfs send"
timh
parents:
5481
diff
changeset
|
2368 |
zcmd_free_nvlists(&zc); |
5147
5e950ccc9585
6596190 "zfs list" is slow due to version property
rm160521
parents:
5094
diff
changeset
|
2369 |
zfs_error_aux(zhp->zfs_hdl, dgettext(TEXT_DOMAIN, |
5498
334b476844ca
6622831 normalization properties are not preserved by "zfs send"
timh
parents:
5481
diff
changeset
|
2370 |
"unable to get %s property"), |
334b476844ca
6622831 normalization properties are not preserved by "zfs send"
timh
parents:
5481
diff
changeset
|
2371 |
zfs_prop_to_name(prop)); |
5147
5e950ccc9585
6596190 "zfs list" is slow due to version property
rm160521
parents:
5094
diff
changeset
|
2372 |
return (zfs_error(zhp->zfs_hdl, EZFS_BADVERSION, |
5e950ccc9585
6596190 "zfs list" is slow due to version property
rm160521
parents:
5094
diff
changeset
|
2373 |
dgettext(TEXT_DOMAIN, "internal error"))); |
5e950ccc9585
6596190 "zfs list" is slow due to version property
rm160521
parents:
5094
diff
changeset
|
2374 |
} |
5498
334b476844ca
6622831 normalization properties are not preserved by "zfs send"
timh
parents:
5481
diff
changeset
|
2375 |
if (zcmd_read_dst_nvlist(zhp->zfs_hdl, &zc, &zplprops) != 0 || |
334b476844ca
6622831 normalization properties are not preserved by "zfs send"
timh
parents:
5481
diff
changeset
|
2376 |
nvlist_lookup_uint64(zplprops, zfs_prop_to_name(prop), |
334b476844ca
6622831 normalization properties are not preserved by "zfs send"
timh
parents:
5481
diff
changeset
|
2377 |
val) != 0) { |
334b476844ca
6622831 normalization properties are not preserved by "zfs send"
timh
parents:
5481
diff
changeset
|
2378 |
zcmd_free_nvlists(&zc); |
334b476844ca
6622831 normalization properties are not preserved by "zfs send"
timh
parents:
5481
diff
changeset
|
2379 |
zfs_error_aux(zhp->zfs_hdl, dgettext(TEXT_DOMAIN, |
334b476844ca
6622831 normalization properties are not preserved by "zfs send"
timh
parents:
5481
diff
changeset
|
2380 |
"unable to get %s property"), |
334b476844ca
6622831 normalization properties are not preserved by "zfs send"
timh
parents:
5481
diff
changeset
|
2381 |
zfs_prop_to_name(prop)); |
334b476844ca
6622831 normalization properties are not preserved by "zfs send"
timh
parents:
5481
diff
changeset
|
2382 |
return (zfs_error(zhp->zfs_hdl, EZFS_NOMEM, |
334b476844ca
6622831 normalization properties are not preserved by "zfs send"
timh
parents:
5481
diff
changeset
|
2383 |
dgettext(TEXT_DOMAIN, "internal error"))); |
334b476844ca
6622831 normalization properties are not preserved by "zfs send"
timh
parents:
5481
diff
changeset
|
2384 |
} |
5592 | 2385 |
if (zplprops) |
2386 |
nvlist_free(zplprops); |
|
5498
334b476844ca
6622831 normalization properties are not preserved by "zfs send"
timh
parents:
5481
diff
changeset
|
2387 |
zcmd_free_nvlists(&zc); |
5147
5e950ccc9585
6596190 "zfs list" is slow due to version property
rm160521
parents:
5094
diff
changeset
|
2388 |
break; |
5e950ccc9585
6596190 "zfs list" is slow due to version property
rm160521
parents:
5094
diff
changeset
|
2389 |
|
789 | 2390 |
default: |
4577 | 2391 |
switch (zfs_prop_get_type(prop)) { |
4787 | 2392 |
case PROP_TYPE_NUMBER: |
2393 |
case PROP_TYPE_INDEX: |
|
4577 | 2394 |
*val = getprop_uint64(zhp, prop, source); |
7390
6d408f0a5fbd
PSARC/2008/518 ZFS space accounting enhancements
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
7366
diff
changeset
|
2395 |
/* |
6d408f0a5fbd
PSARC/2008/518 ZFS space accounting enhancements
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
7366
diff
changeset
|
2396 |
* If we tried to use a defalut value for a |
6d408f0a5fbd
PSARC/2008/518 ZFS space accounting enhancements
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
7366
diff
changeset
|
2397 |
* readonly property, it means that it was not |
6d408f0a5fbd
PSARC/2008/518 ZFS space accounting enhancements
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
7366
diff
changeset
|
2398 |
* present; return an error. |
6d408f0a5fbd
PSARC/2008/518 ZFS space accounting enhancements
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
7366
diff
changeset
|
2399 |
*/ |
6d408f0a5fbd
PSARC/2008/518 ZFS space accounting enhancements
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
7366
diff
changeset
|
2400 |
if (zfs_prop_readonly(prop) && |
6d408f0a5fbd
PSARC/2008/518 ZFS space accounting enhancements
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
7366
diff
changeset
|
2401 |
*source && (*source)[0] == '\0') { |
6d408f0a5fbd
PSARC/2008/518 ZFS space accounting enhancements
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
7366
diff
changeset
|
2402 |
return (-1); |
6d408f0a5fbd
PSARC/2008/518 ZFS space accounting enhancements
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
7366
diff
changeset
|
2403 |
} |
4577 | 2404 |
break; |
2405 |
||
4787 | 2406 |
case PROP_TYPE_STRING: |
4577 | 2407 |
default: |
2408 |
zfs_error_aux(zhp->zfs_hdl, dgettext(TEXT_DOMAIN, |
|
2409 |
"cannot get non-numeric property")); |
|
2410 |
return (zfs_error(zhp->zfs_hdl, EZFS_BADPROP, |
|
2411 |
dgettext(TEXT_DOMAIN, "internal error"))); |
|
2412 |
} |
|
789 | 2413 |
} |
2414 |
||
2415 |
return (0); |
|
2416 |
} |
|
2417 |
||
2418 |
/* |
|
2419 |
* Calculate the source type, given the raw source string. |
|
2420 |
*/ |
|
2421 |
static void |
|
5094 | 2422 |
get_source(zfs_handle_t *zhp, zprop_source_t *srctype, char *source, |
789 | 2423 |
char *statbuf, size_t statlen) |
2424 |
{ |
|
5094 | 2425 |
if (statbuf == NULL || *srctype == ZPROP_SRC_TEMPORARY) |
789 | 2426 |
return; |
2427 |
||
2428 |
if (source == NULL) { |
|
5094 | 2429 |
*srctype = ZPROP_SRC_NONE; |
789 | 2430 |
} else if (source[0] == '\0') { |
5094 | 2431 |
*srctype = ZPROP_SRC_DEFAULT; |
789 | 2432 |
} else { |
2433 |
if (strcmp(source, zhp->zfs_name) == 0) { |
|
5094 | 2434 |
*srctype = ZPROP_SRC_LOCAL; |
789 | 2435 |
} else { |
2436 |
(void) strlcpy(statbuf, source, statlen); |
|
5094 | 2437 |
*srctype = ZPROP_SRC_INHERITED; |
789 | 2438 |
} |
2439 |
} |
|
2440 |
||
2441 |
} |
|
2442 |
||
2443 |
/* |
|
2444 |
* Retrieve a property from the given object. If 'literal' is specified, then |
|
2445 |
* numbers are left as exact values. Otherwise, numbers are converted to a |
|
2446 |
* human-readable form. |
|
2447 |
* |
|
2448 |
* Returns 0 on success, or -1 on error. |
|
2449 |
*/ |
|
2450 |
int |
|
2451 |
zfs_prop_get(zfs_handle_t *zhp, zfs_prop_t prop, char *propbuf, size_t proplen, |
|
5094 | 2452 |
zprop_source_t *src, char *statbuf, size_t statlen, boolean_t literal) |
789 | 2453 |
{ |
2454 |
char *source = NULL; |
|
2455 |
uint64_t val; |
|
2456 |
char *str; |
|
2676 | 2457 |
const char *strval; |
789 | 2458 |
|
2459 |
/* |
|
2460 |
* Check to see if this property applies to our object |
|
2461 |
*/ |
|
2462 |
if (!zfs_prop_valid_for_type(prop, zhp->zfs_type)) |
|
2463 |
return (-1); |
|
2464 |
||
2465 |
if (src) |
|
5094 | 2466 |
*src = ZPROP_SRC_NONE; |
789 | 2467 |
|
2468 |
switch (prop) { |
|
2469 |
case ZFS_PROP_CREATION: |
|
2470 |
/* |
|
2471 |
* 'creation' is a time_t stored in the statistics. We convert |
|
2472 |
* this into a string unless 'literal' is specified. |
|
2473 |
*/ |
|
2474 |
{ |
|
2885 | 2475 |
val = getprop_uint64(zhp, prop, &source); |
2476 |
time_t time = (time_t)val; |
|
789 | 2477 |
struct tm t; |
2478 |
||
2479 |
if (literal || |
|
2480 |
localtime_r(&time, &t) == NULL || |
|
2481 |
strftime(propbuf, proplen, "%a %b %e %k:%M %Y", |
|
2482 |
&t) == 0) |
|
2885 | 2483 |
(void) snprintf(propbuf, proplen, "%llu", val); |
789 | 2484 |
} |
2485 |
break; |
|
2486 |
||
2487 |
case ZFS_PROP_MOUNTPOINT: |
|
2488 |
/* |
|
2489 |
* Getting the precise mountpoint can be tricky. |
|
2490 |
* |
|
2491 |
* - for 'none' or 'legacy', return those values. |
|
2492 |
* - for inherited mountpoints, we want to take everything |
|
2493 |
* after our ancestor and append it to the inherited value. |
|
2494 |
* |
|
2495 |
* If the pool has an alternate root, we want to prepend that |
|
2496 |
* root to any values we return. |
|
2497 |
*/ |
|
6865 | 2498 |
|
1356
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2499 |
str = getprop_string(zhp, prop, &source); |
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2500 |
|
6612
bed68cb8aa8c
6668667 mountpoint is displayed incorrectly by zfs list when the mountpoint is "/"
gw25295
parents:
6423
diff
changeset
|
2501 |
if (str[0] == '/') { |
6865 | 2502 |
char buf[MAXPATHLEN]; |
2503 |
char *root = buf; |
|
1356
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2504 |
const char *relpath = zhp->zfs_name + strlen(source); |
789 | 2505 |
|
2506 |
if (relpath[0] == '/') |
|
2507 |
relpath++; |
|
6612
bed68cb8aa8c
6668667 mountpoint is displayed incorrectly by zfs list when the mountpoint is "/"
gw25295
parents:
6423
diff
changeset
|
2508 |
|
6865 | 2509 |
if ((zpool_get_prop(zhp->zpool_hdl, |
2510 |
ZPOOL_PROP_ALTROOT, buf, MAXPATHLEN, NULL)) || |
|
2511 |
(strcmp(root, "-") == 0)) |
|
2512 |
root[0] = '\0'; |
|
6612
bed68cb8aa8c
6668667 mountpoint is displayed incorrectly by zfs list when the mountpoint is "/"
gw25295
parents:
6423
diff
changeset
|
2513 |
/* |
bed68cb8aa8c
6668667 mountpoint is displayed incorrectly by zfs list when the mountpoint is "/"
gw25295
parents:
6423
diff
changeset
|
2514 |
* Special case an alternate root of '/'. This will |
bed68cb8aa8c
6668667 mountpoint is displayed incorrectly by zfs list when the mountpoint is "/"
gw25295
parents:
6423
diff
changeset
|
2515 |
* avoid having multiple leading slashes in the |
bed68cb8aa8c
6668667 mountpoint is displayed incorrectly by zfs list when the mountpoint is "/"
gw25295
parents:
6423
diff
changeset
|
2516 |
* mountpoint path. |
bed68cb8aa8c
6668667 mountpoint is displayed incorrectly by zfs list when the mountpoint is "/"
gw25295
parents:
6423
diff
changeset
|
2517 |
*/ |
bed68cb8aa8c
6668667 mountpoint is displayed incorrectly by zfs list when the mountpoint is "/"
gw25295
parents:
6423
diff
changeset
|
2518 |
if (strcmp(root, "/") == 0) |
bed68cb8aa8c
6668667 mountpoint is displayed incorrectly by zfs list when the mountpoint is "/"
gw25295
parents:
6423
diff
changeset
|
2519 |
root++; |
bed68cb8aa8c
6668667 mountpoint is displayed incorrectly by zfs list when the mountpoint is "/"
gw25295
parents:
6423
diff
changeset
|
2520 |
|
bed68cb8aa8c
6668667 mountpoint is displayed incorrectly by zfs list when the mountpoint is "/"
gw25295
parents:
6423
diff
changeset
|
2521 |
/* |
bed68cb8aa8c
6668667 mountpoint is displayed incorrectly by zfs list when the mountpoint is "/"
gw25295
parents:
6423
diff
changeset
|
2522 |
* If the mountpoint is '/' then skip over this |
bed68cb8aa8c
6668667 mountpoint is displayed incorrectly by zfs list when the mountpoint is "/"
gw25295
parents:
6423
diff
changeset
|
2523 |
* if we are obtaining either an alternate root or |
bed68cb8aa8c
6668667 mountpoint is displayed incorrectly by zfs list when the mountpoint is "/"
gw25295
parents:
6423
diff
changeset
|
2524 |
* an inherited mountpoint. |
bed68cb8aa8c
6668667 mountpoint is displayed incorrectly by zfs list when the mountpoint is "/"
gw25295
parents:
6423
diff
changeset
|
2525 |
*/ |
bed68cb8aa8c
6668667 mountpoint is displayed incorrectly by zfs list when the mountpoint is "/"
gw25295
parents:
6423
diff
changeset
|
2526 |
if (str[1] == '\0' && (root[0] != '\0' || |
bed68cb8aa8c
6668667 mountpoint is displayed incorrectly by zfs list when the mountpoint is "/"
gw25295
parents:
6423
diff
changeset
|
2527 |
relpath[0] != '\0')) |
1356
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2528 |
str++; |
789 | 2529 |
|
2530 |
if (relpath[0] == '\0') |
|
2531 |
(void) snprintf(propbuf, proplen, "%s%s", |
|
1356
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2532 |
root, str); |
789 | 2533 |
else |
2534 |
(void) snprintf(propbuf, proplen, "%s%s%s%s", |
|
1356
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2535 |
root, str, relpath[0] == '@' ? "" : "/", |
789 | 2536 |
relpath); |
2537 |
} else { |
|
2538 |
/* 'legacy' or 'none' */ |
|
1356
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2539 |
(void) strlcpy(propbuf, str, proplen); |
789 | 2540 |
} |
2541 |
||
2542 |
break; |
|
2543 |
||
2544 |
case ZFS_PROP_ORIGIN: |
|
2885 | 2545 |
(void) strlcpy(propbuf, getprop_string(zhp, prop, &source), |
789 | 2546 |
proplen); |
2547 |
/* |
|
2548 |
* If there is no parent at all, return failure to indicate that |
|
2549 |
* it doesn't apply to this dataset. |
|
2550 |
*/ |
|
2551 |
if (propbuf[0] == '\0') |
|
2552 |
return (-1); |
|
2553 |
break; |
|
2554 |
||
2555 |
case ZFS_PROP_QUOTA: |
|
5378
111aa1baa84a
PSARC 2007/555 zfs fs-only quotas and reservations
ck153898
parents:
5375
diff
changeset
|
2556 |
case ZFS_PROP_REFQUOTA: |
789 | 2557 |
case ZFS_PROP_RESERVATION: |
5378
111aa1baa84a
PSARC 2007/555 zfs fs-only quotas and reservations
ck153898
parents:
5375
diff
changeset
|
2558 |
case ZFS_PROP_REFRESERVATION: |
111aa1baa84a
PSARC 2007/555 zfs fs-only quotas and reservations
ck153898
parents:
5375
diff
changeset
|
2559 |
|
2082 | 2560 |
if (get_numeric_property(zhp, prop, src, &source, &val) != 0) |
2561 |
return (-1); |
|
789 | 2562 |
|
2563 |
/* |
|
2564 |
* If quota or reservation is 0, we translate this into 'none' |
|
2565 |
* (unless literal is set), and indicate that it's the default |
|
2566 |
* value. Otherwise, we print the number nicely and indicate |
|
2567 |
* that its set locally. |
|
2568 |
*/ |
|
2569 |
if (val == 0) { |
|
2570 |
if (literal) |
|
2571 |
(void) strlcpy(propbuf, "0", proplen); |
|
2572 |
else |
|
2573 |
(void) strlcpy(propbuf, "none", proplen); |
|
2574 |
} else { |
|
2575 |
if (literal) |
|
2856 | 2576 |
(void) snprintf(propbuf, proplen, "%llu", |
3912 | 2577 |
(u_longlong_t)val); |
789 | 2578 |
else |
2579 |
zfs_nicenum(val, propbuf, proplen); |
|
2580 |
} |
|
2581 |
break; |
|
2582 |
||
2583 |
case ZFS_PROP_COMPRESSRATIO: |
|
2082 | 2584 |
if (get_numeric_property(zhp, prop, src, &source, &val) != 0) |
2585 |
return (-1); |
|
2856 | 2586 |
(void) snprintf(propbuf, proplen, "%lld.%02lldx", (longlong_t) |
2587 |
val / 100, (longlong_t)val % 100); |
|
789 | 2588 |
break; |
2589 |
||
2590 |
case ZFS_PROP_TYPE: |
|
2591 |
switch (zhp->zfs_type) { |
|
2592 |
case ZFS_TYPE_FILESYSTEM: |
|
2593 |
str = "filesystem"; |
|
2594 |
break; |
|
2595 |
case ZFS_TYPE_VOLUME: |
|
2596 |
str = "volume"; |
|
2597 |
break; |
|
2598 |
case ZFS_TYPE_SNAPSHOT: |
|
2599 |
str = "snapshot"; |
|
2600 |
break; |
|
2601 |
default: |
|
2082 | 2602 |
abort(); |
789 | 2603 |
} |
2604 |
(void) snprintf(propbuf, proplen, "%s", str); |
|
2605 |
break; |
|
2606 |
||
2607 |
case ZFS_PROP_MOUNTED: |
|
2608 |
/* |
|
2609 |
* The 'mounted' property is a pseudo-property that described |
|
2610 |
* whether the filesystem is currently mounted. Even though |
|
2611 |
* it's a boolean value, the typical values of "on" and "off" |
|
2612 |
* don't make sense, so we translate to "yes" and "no". |
|
2613 |
*/ |
|
2082 | 2614 |
if (get_numeric_property(zhp, ZFS_PROP_MOUNTED, |
2615 |
src, &source, &val) != 0) |
|
2616 |
return (-1); |
|
2617 |
if (val) |
|
789 | 2618 |
(void) strlcpy(propbuf, "yes", proplen); |
2619 |
else |
|
2620 |
(void) strlcpy(propbuf, "no", proplen); |
|
2621 |
break; |
|
2622 |
||
2623 |
case ZFS_PROP_NAME: |
|
2624 |
/* |
|
2625 |
* The 'name' property is a pseudo-property derived from the |
|
2626 |
* dataset name. It is presented as a real property to simplify |
|
2627 |
* consumers. |
|
2628 |
*/ |
|
2629 |
(void) strlcpy(propbuf, zhp->zfs_name, proplen); |
|
2630 |
break; |
|
2631 |
||
2632 |
default: |
|
4577 | 2633 |
switch (zfs_prop_get_type(prop)) { |
4787 | 2634 |
case PROP_TYPE_NUMBER: |
4577 | 2635 |
if (get_numeric_property(zhp, prop, src, |
2636 |
&source, &val) != 0) |
|
2637 |
return (-1); |
|
2638 |
if (literal) |
|
2639 |
(void) snprintf(propbuf, proplen, "%llu", |
|
2640 |
(u_longlong_t)val); |
|
2641 |
else |
|
2642 |
zfs_nicenum(val, propbuf, proplen); |
|
2643 |
break; |
|
2644 |
||
4787 | 2645 |
case PROP_TYPE_STRING: |
4577 | 2646 |
(void) strlcpy(propbuf, |
2647 |
getprop_string(zhp, prop, &source), proplen); |
|
2648 |
break; |
|
2649 |
||
4787 | 2650 |
case PROP_TYPE_INDEX: |
4861
fa5be10d6612
6592018 "zfs get" does not display temporary property
ahrens
parents:
4849
diff
changeset
|
2651 |
if (get_numeric_property(zhp, prop, src, |
fa5be10d6612
6592018 "zfs get" does not display temporary property
ahrens
parents:
4849
diff
changeset
|
2652 |
&source, &val) != 0) |
fa5be10d6612
6592018 "zfs get" does not display temporary property
ahrens
parents:
4849
diff
changeset
|
2653 |
return (-1); |
fa5be10d6612
6592018 "zfs get" does not display temporary property
ahrens
parents:
4849
diff
changeset
|
2654 |
if (zfs_prop_index_to_string(prop, val, &strval) != 0) |
4577 | 2655 |
return (-1); |
2656 |
(void) strlcpy(propbuf, strval, proplen); |
|
2657 |
break; |
|
2658 |
||
2659 |
default: |
|
2660 |
abort(); |
|
2661 |
} |
|
789 | 2662 |
} |
2663 |
||
2664 |
get_source(zhp, src, source, statbuf, statlen); |
|
2665 |
||
2666 |
return (0); |
|
2667 |
} |
|
2668 |
||
2669 |
/* |
|
2670 |
* Utility function to get the given numeric property. Does no validation that |
|
2671 |
* the given property is the appropriate type; should only be used with |
|
2672 |
* hard-coded property types. |
|
2673 |
*/ |
|
2674 |
uint64_t |
|
2675 |
zfs_prop_get_int(zfs_handle_t *zhp, zfs_prop_t prop) |
|
2676 |
{ |
|
2677 |
char *source; |
|
2082 | 2678 |
uint64_t val; |
2679 |
||
5367 | 2680 |
(void) get_numeric_property(zhp, prop, NULL, &source, &val); |
2082 | 2681 |
|
2682 |
return (val); |
|
789 | 2683 |
} |
2684 |
||
5713 | 2685 |
int |
2686 |
zfs_prop_set_int(zfs_handle_t *zhp, zfs_prop_t prop, uint64_t val) |
|
2687 |
{ |
|
2688 |
char buf[64]; |
|
2689 |
||
2690 |
zfs_nicenum(val, buf, sizeof (buf)); |
|
2691 |
return (zfs_prop_set(zhp, zfs_prop_to_name(prop), buf)); |
|
2692 |
} |
|
2693 |
||
789 | 2694 |
/* |
2695 |
* Similar to zfs_prop_get(), but returns the value as an integer. |
|
2696 |
*/ |
|
2697 |
int |
|
2698 |
zfs_prop_get_numeric(zfs_handle_t *zhp, zfs_prop_t prop, uint64_t *value, |
|
5094 | 2699 |
zprop_source_t *src, char *statbuf, size_t statlen) |
789 | 2700 |
{ |
2701 |
char *source; |
|
2702 |
||
2703 |
/* |
|
2704 |
* Check to see if this property applies to our object |
|
2705 |
*/ |
|
4849
3a61e0a9a953
6536043 arc_byteswap_func_t and dmu_byteswap_func_t are redundant
ahrens
parents:
4801
diff
changeset
|
2706 |
if (!zfs_prop_valid_for_type(prop, zhp->zfs_type)) { |
3237
98d0c28f2f5e
6480245 renaming a dataset to something with '%s' will cause segfault
lling
parents:
3234
diff
changeset
|
2707 |
return (zfs_error_fmt(zhp->zfs_hdl, EZFS_PROPTYPE, |
2082 | 2708 |
dgettext(TEXT_DOMAIN, "cannot get property '%s'"), |
2709 |
zfs_prop_to_name(prop))); |
|
4849
3a61e0a9a953
6536043 arc_byteswap_func_t and dmu_byteswap_func_t are redundant
ahrens
parents:
4801
diff
changeset
|
2710 |
} |
789 | 2711 |
|
2712 |
if (src) |
|
5094 | 2713 |
*src = ZPROP_SRC_NONE; |
789 | 2714 |
|
2082 | 2715 |
if (get_numeric_property(zhp, prop, src, &source, value) != 0) |
2716 |
return (-1); |
|
789 | 2717 |
|
2718 |
get_source(zhp, src, source, statbuf, statlen); |
|
2719 |
||
2720 |
return (0); |
|
2721 |
} |
|
2722 |
||
2723 |
/* |
|
2724 |
* Returns the name of the given zfs handle. |
|
2725 |
*/ |
|
2726 |
const char * |
|
2727 |
zfs_get_name(const zfs_handle_t *zhp) |
|
2728 |
{ |
|
2729 |
return (zhp->zfs_name); |
|
2730 |
} |
|
2731 |
||
2732 |
/* |
|
2733 |
* Returns the type of the given zfs handle. |
|
2734 |
*/ |
|
2735 |
zfs_type_t |
|
2736 |
zfs_get_type(const zfs_handle_t *zhp) |
|
2737 |
{ |
|
2738 |
return (zhp->zfs_type); |
|
2739 |
} |
|
2740 |
||
8228
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
2741 |
static int |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
2742 |
zfs_do_list_ioctl(zfs_handle_t *zhp, int arg, zfs_cmd_t *zc) |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
2743 |
{ |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
2744 |
int rc; |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
2745 |
uint64_t orig_cookie; |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
2746 |
|
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
2747 |
orig_cookie = zc->zc_cookie; |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
2748 |
top: |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
2749 |
(void) strlcpy(zc->zc_name, zhp->zfs_name, sizeof (zc->zc_name)); |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
2750 |
rc = ioctl(zhp->zfs_hdl->libzfs_fd, arg, zc); |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
2751 |
|
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
2752 |
if (rc == -1) { |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
2753 |
switch (errno) { |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
2754 |
case ENOMEM: |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
2755 |
/* expand nvlist memory and try again */ |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
2756 |
if (zcmd_expand_dst_nvlist(zhp->zfs_hdl, zc) != 0) { |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
2757 |
zcmd_free_nvlists(zc); |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
2758 |
return (-1); |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
2759 |
} |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
2760 |
zc->zc_cookie = orig_cookie; |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
2761 |
goto top; |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
2762 |
/* |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
2763 |
* An errno value of ESRCH indicates normal completion. |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
2764 |
* If ENOENT is returned, then the underlying dataset |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
2765 |
* has been removed since we obtained the handle. |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
2766 |
*/ |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
2767 |
case ESRCH: |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
2768 |
case ENOENT: |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
2769 |
rc = 1; |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
2770 |
break; |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
2771 |
default: |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
2772 |
rc = zfs_standard_error(zhp->zfs_hdl, errno, |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
2773 |
dgettext(TEXT_DOMAIN, |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
2774 |
"cannot iterate filesystems")); |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
2775 |
break; |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
2776 |
} |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
2777 |
} |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
2778 |
return (rc); |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
2779 |
} |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
2780 |
|
789 | 2781 |
/* |
1356
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2782 |
* Iterate over all child filesystems |
789 | 2783 |
*/ |
2784 |
int |
|
1356
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2785 |
zfs_iter_filesystems(zfs_handle_t *zhp, zfs_iter_f func, void *data) |
789 | 2786 |
{ |
2787 |
zfs_cmd_t zc = { 0 }; |
|
2788 |
zfs_handle_t *nzhp; |
|
2789 |
int ret; |
|
2790 |
||
5367 | 2791 |
if (zhp->zfs_type != ZFS_TYPE_FILESYSTEM) |
2792 |
return (0); |
|
2793 |
||
8228
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
2794 |
if (zcmd_alloc_dst_nvlist(zhp->zfs_hdl, &zc, 0) != 0) |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
2795 |
return (-1); |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
2796 |
|
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
2797 |
while ((ret = zfs_do_list_ioctl(zhp, ZFS_IOC_DATASET_LIST_NEXT, |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
2798 |
&zc)) == 0) { |
789 | 2799 |
/* |
2800 |
* Ignore private dataset names. |
|
2801 |
*/ |
|
2802 |
if (dataset_name_hidden(zc.zc_name)) |
|
2803 |
continue; |
|
2804 |
||
2805 |
/* |
|
2806 |
* Silently ignore errors, as the only plausible explanation is |
|
2807 |
* that the pool has since been removed. |
|
2808 |
*/ |
|
8228
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
2809 |
if ((nzhp = make_dataset_handle_zc(zhp->zfs_hdl, |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
2810 |
&zc)) == NULL) { |
789 | 2811 |
continue; |
8228
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
2812 |
} |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
2813 |
|
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
2814 |
if ((ret = func(nzhp, data)) != 0) { |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
2815 |
zcmd_free_nvlists(&zc); |
789 | 2816 |
return (ret); |
8228
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
2817 |
} |
789 | 2818 |
} |
8228
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
2819 |
zcmd_free_nvlists(&zc); |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
2820 |
return ((ret < 0) ? ret : 0); |
1356
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2821 |
} |
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2822 |
|
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2823 |
/* |
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2824 |
* Iterate over all snapshots |
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2825 |
*/ |
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2826 |
int |
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2827 |
zfs_iter_snapshots(zfs_handle_t *zhp, zfs_iter_f func, void *data) |
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2828 |
{ |
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2829 |
zfs_cmd_t zc = { 0 }; |
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2830 |
zfs_handle_t *nzhp; |
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2831 |
int ret; |
789 | 2832 |
|
5367 | 2833 |
if (zhp->zfs_type == ZFS_TYPE_SNAPSHOT) |
2834 |
return (0); |
|
2835 |
||
8228
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
2836 |
if (zcmd_alloc_dst_nvlist(zhp->zfs_hdl, &zc, 0) != 0) |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
2837 |
return (-1); |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
2838 |
while ((ret = zfs_do_list_ioctl(zhp, ZFS_IOC_SNAPSHOT_LIST_NEXT, |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
2839 |
&zc)) == 0) { |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
2840 |
|
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
2841 |
if ((nzhp = make_dataset_handle_zc(zhp->zfs_hdl, |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
2842 |
&zc)) == NULL) { |
789 | 2843 |
continue; |
8228
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
2844 |
} |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
2845 |
|
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
2846 |
if ((ret = func(nzhp, data)) != 0) { |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
2847 |
zcmd_free_nvlists(&zc); |
789 | 2848 |
return (ret); |
8228
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
2849 |
} |
789 | 2850 |
} |
8228
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
2851 |
zcmd_free_nvlists(&zc); |
51e9ca9ee3a5
6572357 libzfs should do more to avoid mnttab lookups
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7509
diff
changeset
|
2852 |
return ((ret < 0) ? ret : 0); |
789 | 2853 |
} |
2854 |
||
2855 |
/* |
|
1356
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2856 |
* Iterate over all children, snapshots and filesystems |
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2857 |
*/ |
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2858 |
int |
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2859 |
zfs_iter_children(zfs_handle_t *zhp, zfs_iter_f func, void *data) |
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2860 |
{ |
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2861 |
int ret; |
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2862 |
|
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2863 |
if ((ret = zfs_iter_filesystems(zhp, func, data)) != 0) |
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2864 |
return (ret); |
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2865 |
|
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2866 |
return (zfs_iter_snapshots(zhp, func, data)); |
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2867 |
} |
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2868 |
|
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2869 |
/* |
789 | 2870 |
* Given a complete name, return just the portion that refers to the parent. |
2871 |
* Can return NULL if this is a pool. |
|
2872 |
*/ |
|
2873 |
static int |
|
2874 |
parent_name(const char *path, char *buf, size_t buflen) |
|
2875 |
{ |
|
2876 |
char *loc; |
|
2877 |
||
2878 |
if ((loc = strrchr(path, '/')) == NULL) |
|
2879 |
return (-1); |
|
2880 |
||
2881 |
(void) strncpy(buf, path, MIN(buflen, loc - path)); |
|
2882 |
buf[loc - path] = '\0'; |
|
2883 |
||
2884 |
return (0); |
|
2885 |
} |
|
2886 |
||
2887 |
/* |
|
4490 | 2888 |
* If accept_ancestor is false, then check to make sure that the given path has |
2889 |
* a parent, and that it exists. If accept_ancestor is true, then find the |
|
2890 |
* closest existing ancestor for the given path. In prefixlen return the |
|
2891 |
* length of already existing prefix of the given path. We also fetch the |
|
2892 |
* 'zoned' property, which is used to validate property settings when creating |
|
2893 |
* new datasets. |
|
789 | 2894 |
*/ |
2895 |
static int |
|
4490 | 2896 |
check_parents(libzfs_handle_t *hdl, const char *path, uint64_t *zoned, |
2897 |
boolean_t accept_ancestor, int *prefixlen) |
|
789 | 2898 |
{ |
2899 |
zfs_cmd_t zc = { 0 }; |
|
2900 |
char parent[ZFS_MAXNAMELEN]; |
|
2901 |
char *slash; |
|
1356
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2902 |
zfs_handle_t *zhp; |
2082 | 2903 |
char errbuf[1024]; |
2904 |
||
2905 |
(void) snprintf(errbuf, sizeof (errbuf), "cannot create '%s'", |
|
2906 |
path); |
|
789 | 2907 |
|
2908 |
/* get parent, and check to see if this is just a pool */ |
|
2909 |
if (parent_name(path, parent, sizeof (parent)) != 0) { |
|
2082 | 2910 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
2911 |
"missing dataset name")); |
|
2912 |
return (zfs_error(hdl, EZFS_INVALIDNAME, errbuf)); |
|
789 | 2913 |
} |
2914 |
||
2915 |
/* check to see if the pool exists */ |
|
2916 |
if ((slash = strchr(parent, '/')) == NULL) |
|
2917 |
slash = parent + strlen(parent); |
|
2918 |
(void) strncpy(zc.zc_name, parent, slash - parent); |
|
2919 |
zc.zc_name[slash - parent] = '\0'; |
|
2082 | 2920 |
if (ioctl(hdl->libzfs_fd, ZFS_IOC_OBJSET_STATS, &zc) != 0 && |
789 | 2921 |
errno == ENOENT) { |
2082 | 2922 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
2923 |
"no such pool '%s'"), zc.zc_name); |
|
2924 |
return (zfs_error(hdl, EZFS_NOENT, errbuf)); |
|
789 | 2925 |
} |
2926 |
||
2927 |
/* check to see if the parent dataset exists */ |
|
4490 | 2928 |
while ((zhp = make_dataset_handle(hdl, parent)) == NULL) { |
2929 |
if (errno == ENOENT && accept_ancestor) { |
|
2930 |
/* |
|
2931 |
* Go deeper to find an ancestor, give up on top level. |
|
2932 |
*/ |
|
2933 |
if (parent_name(parent, parent, sizeof (parent)) != 0) { |
|
2934 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
|
2935 |
"no such pool '%s'"), zc.zc_name); |
|
2936 |
return (zfs_error(hdl, EZFS_NOENT, errbuf)); |
|
2937 |
} |
|
2938 |
} else if (errno == ENOENT) { |
|
2082 | 2939 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
2940 |
"parent does not exist")); |
|
2941 |
return (zfs_error(hdl, EZFS_NOENT, errbuf)); |
|
4490 | 2942 |
} else |
2082 | 2943 |
return (zfs_standard_error(hdl, errno, errbuf)); |
789 | 2944 |
} |
2945 |
||
2676 | 2946 |
*zoned = zfs_prop_get_int(zhp, ZFS_PROP_ZONED); |
789 | 2947 |
/* we are in a non-global zone, but parent is in the global zone */ |
2676 | 2948 |
if (getzoneid() != GLOBAL_ZONEID && !(*zoned)) { |
2082 | 2949 |
(void) zfs_standard_error(hdl, EPERM, errbuf); |
1356
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2950 |
zfs_close(zhp); |
789 | 2951 |
return (-1); |
2952 |
} |
|
2953 |
||
2954 |
/* make sure parent is a filesystem */ |
|
1356
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2955 |
if (zfs_get_type(zhp) != ZFS_TYPE_FILESYSTEM) { |
2082 | 2956 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
2957 |
"parent is not a filesystem")); |
|
2958 |
(void) zfs_error(hdl, EZFS_BADTYPE, errbuf); |
|
1356
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2959 |
zfs_close(zhp); |
789 | 2960 |
return (-1); |
2961 |
} |
|
2962 |
||
1356
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2963 |
zfs_close(zhp); |
4490 | 2964 |
if (prefixlen != NULL) |
2965 |
*prefixlen = strlen(parent); |
|
2966 |
return (0); |
|
2967 |
} |
|
2968 |
||
2969 |
/* |
|
2970 |
* Finds whether the dataset of the given type(s) exists. |
|
2971 |
*/ |
|
2972 |
boolean_t |
|
2973 |
zfs_dataset_exists(libzfs_handle_t *hdl, const char *path, zfs_type_t types) |
|
2974 |
{ |
|
2975 |
zfs_handle_t *zhp; |
|
2976 |
||
5326
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
2977 |
if (!zfs_validate_name(hdl, path, types, B_FALSE)) |
4490 | 2978 |
return (B_FALSE); |
2979 |
||
2980 |
/* |
|
2981 |
* Try to get stats for the dataset, which will tell us if it exists. |
|
2982 |
*/ |
|
2983 |
if ((zhp = make_dataset_handle(hdl, path)) != NULL) { |
|
2984 |
int ds_type = zhp->zfs_type; |
|
2985 |
||
2986 |
zfs_close(zhp); |
|
2987 |
if (types & ds_type) |
|
2988 |
return (B_TRUE); |
|
2989 |
} |
|
2990 |
return (B_FALSE); |
|
2991 |
} |
|
2992 |
||
2993 |
/* |
|
5367 | 2994 |
* Given a path to 'target', create all the ancestors between |
2995 |
* the prefixlen portion of the path, and the target itself. |
|
2996 |
* Fail if the initial prefixlen-ancestor does not already exist. |
|
2997 |
*/ |
|
2998 |
int |
|
2999 |
create_parents(libzfs_handle_t *hdl, char *target, int prefixlen) |
|
3000 |
{ |
|
3001 |
zfs_handle_t *h; |
|
3002 |
char *cp; |
|
3003 |
const char *opname; |
|
3004 |
||
3005 |
/* make sure prefix exists */ |
|
3006 |
cp = target + prefixlen; |
|
3007 |
if (*cp != '/') { |
|
3008 |
assert(strchr(cp, '/') == NULL); |
|
3009 |
h = zfs_open(hdl, target, ZFS_TYPE_FILESYSTEM); |
|
3010 |
} else { |
|
3011 |
*cp = '\0'; |
|
3012 |
h = zfs_open(hdl, target, ZFS_TYPE_FILESYSTEM); |
|
3013 |
*cp = '/'; |
|
3014 |
} |
|
3015 |
if (h == NULL) |
|
3016 |
return (-1); |
|
3017 |
zfs_close(h); |
|
3018 |
||
3019 |
/* |
|
3020 |
* Attempt to create, mount, and share any ancestor filesystems, |
|
3021 |
* up to the prefixlen-long one. |
|
3022 |
*/ |
|
3023 |
for (cp = target + prefixlen + 1; |
|
3024 |
cp = strchr(cp, '/'); *cp = '/', cp++) { |
|
3025 |
char *logstr; |
|
3026 |
||
3027 |
*cp = '\0'; |
|
3028 |
||
3029 |
h = make_dataset_handle(hdl, target); |
|
3030 |
if (h) { |
|
3031 |
/* it already exists, nothing to do here */ |
|
3032 |
zfs_close(h); |
|
3033 |
continue; |
|
3034 |
} |
|
3035 |
||
3036 |
logstr = hdl->libzfs_log_str; |
|
3037 |
hdl->libzfs_log_str = NULL; |
|
3038 |
if (zfs_create(hdl, target, ZFS_TYPE_FILESYSTEM, |
|
3039 |
NULL) != 0) { |
|
3040 |
hdl->libzfs_log_str = logstr; |
|
3041 |
opname = dgettext(TEXT_DOMAIN, "create"); |
|
3042 |
goto ancestorerr; |
|
3043 |
} |
|
3044 |
||
3045 |
hdl->libzfs_log_str = logstr; |
|
3046 |
h = zfs_open(hdl, target, ZFS_TYPE_FILESYSTEM); |
|
3047 |
if (h == NULL) { |
|
3048 |
opname = dgettext(TEXT_DOMAIN, "open"); |
|
3049 |
goto ancestorerr; |
|
3050 |
} |
|
3051 |
||
3052 |
if (zfs_mount(h, NULL, 0) != 0) { |
|
3053 |
opname = dgettext(TEXT_DOMAIN, "mount"); |
|
3054 |
goto ancestorerr; |
|
3055 |
} |
|
3056 |
||
3057 |
if (zfs_share(h) != 0) { |
|
3058 |
opname = dgettext(TEXT_DOMAIN, "share"); |
|
3059 |
goto ancestorerr; |
|
3060 |
} |
|
3061 |
||
3062 |
zfs_close(h); |
|
3063 |
} |
|
3064 |
||
3065 |
return (0); |
|
3066 |
||
3067 |
ancestorerr: |
|
3068 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
|
3069 |
"failed to %s ancestor '%s'"), opname, target); |
|
3070 |
return (-1); |
|
3071 |
} |
|
3072 |
||
3073 |
/* |
|
4490 | 3074 |
* Creates non-existing ancestors of the given path. |
3075 |
*/ |
|
3076 |
int |
|
3077 |
zfs_create_ancestors(libzfs_handle_t *hdl, const char *path) |
|
3078 |
{ |
|
3079 |
int prefix; |
|
3080 |
uint64_t zoned; |
|
3081 |
char *path_copy; |
|
3082 |
int rc; |
|
3083 |
||
3084 |
if (check_parents(hdl, path, &zoned, B_TRUE, &prefix) != 0) |
|
3085 |
return (-1); |
|
3086 |
||
3087 |
if ((path_copy = strdup(path)) != NULL) { |
|
3088 |
rc = create_parents(hdl, path_copy, prefix); |
|
3089 |
free(path_copy); |
|
3090 |
} |
|
3091 |
if (path_copy == NULL || rc != 0) |
|
3092 |
return (-1); |
|
3093 |
||
789 | 3094 |
return (0); |
3095 |
} |
|
3096 |
||
3097 |
/* |
|
2676 | 3098 |
* Create a new filesystem or volume. |
789 | 3099 |
*/ |
3100 |
int |
|
2082 | 3101 |
zfs_create(libzfs_handle_t *hdl, const char *path, zfs_type_t type, |
2676 | 3102 |
nvlist_t *props) |
789 | 3103 |
{ |
3104 |
zfs_cmd_t zc = { 0 }; |
|
3105 |
int ret; |
|
3106 |
uint64_t size = 0; |
|
3107 |
uint64_t blocksize = zfs_prop_default_numeric(ZFS_PROP_VOLBLOCKSIZE); |
|
2082 | 3108 |
char errbuf[1024]; |
2676 | 3109 |
uint64_t zoned; |
2082 | 3110 |
|
3111 |
(void) snprintf(errbuf, sizeof (errbuf), dgettext(TEXT_DOMAIN, |
|
3112 |
"cannot create '%s'"), path); |
|
789 | 3113 |
|
3114 |
/* validate the path, taking care to note the extended error message */ |
|
5326
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
3115 |
if (!zfs_validate_name(hdl, path, type, B_TRUE)) |
2082 | 3116 |
return (zfs_error(hdl, EZFS_INVALIDNAME, errbuf)); |
789 | 3117 |
|
3118 |
/* validate parents exist */ |
|
4490 | 3119 |
if (check_parents(hdl, path, &zoned, B_FALSE, NULL) != 0) |
789 | 3120 |
return (-1); |
3121 |
||
3122 |
/* |
|
3123 |
* The failure modes when creating a dataset of a different type over |
|
3124 |
* one that already exists is a little strange. In particular, if you |
|
3125 |
* try to create a dataset on top of an existing dataset, the ioctl() |
|
3126 |
* will return ENOENT, not EEXIST. To prevent this from happening, we |
|
3127 |
* first try to see if the dataset exists. |
|
3128 |
*/ |
|
3129 |
(void) strlcpy(zc.zc_name, path, sizeof (zc.zc_name)); |
|
5094 | 3130 |
if (zfs_dataset_exists(hdl, zc.zc_name, ZFS_TYPE_DATASET)) { |
2082 | 3131 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
3132 |
"dataset already exists")); |
|
3133 |
return (zfs_error(hdl, EZFS_EXISTS, errbuf)); |
|
789 | 3134 |
} |
3135 |
||
3136 |
if (type == ZFS_TYPE_VOLUME) |
|
3137 |
zc.zc_objset_type = DMU_OST_ZVOL; |
|
3138 |
else |
|
3139 |
zc.zc_objset_type = DMU_OST_ZFS; |
|
3140 |
||
7184
9508660f9c27
PSARC 2008/223 Pool root file system properties via zpool(1M)
timh
parents:
7042
diff
changeset
|
3141 |
if (props && (props = zfs_valid_proplist(hdl, type, props, |
3912 | 3142 |
zoned, NULL, errbuf)) == 0) |
2676 | 3143 |
return (-1); |
3144 |
||
789 | 3145 |
if (type == ZFS_TYPE_VOLUME) { |
1133
335d069294d1
6357470 vdev_raidz.c has unused RAIDZ_SINGLE define, code
eschrock
parents:
1003
diff
changeset
|
3146 |
/* |
335d069294d1
6357470 vdev_raidz.c has unused RAIDZ_SINGLE define, code
eschrock
parents:
1003
diff
changeset
|
3147 |
* If we are creating a volume, the size and block size must |
335d069294d1
6357470 vdev_raidz.c has unused RAIDZ_SINGLE define, code
eschrock
parents:
1003
diff
changeset
|
3148 |
* satisfy a few restraints. First, the blocksize must be a |
335d069294d1
6357470 vdev_raidz.c has unused RAIDZ_SINGLE define, code
eschrock
parents:
1003
diff
changeset
|
3149 |
* valid block size between SPA_{MIN,MAX}BLOCKSIZE. Second, the |
335d069294d1
6357470 vdev_raidz.c has unused RAIDZ_SINGLE define, code
eschrock
parents:
1003
diff
changeset
|
3150 |
* volsize must be a multiple of the block size, and cannot be |
335d069294d1
6357470 vdev_raidz.c has unused RAIDZ_SINGLE define, code
eschrock
parents:
1003
diff
changeset
|
3151 |
* zero. |
335d069294d1
6357470 vdev_raidz.c has unused RAIDZ_SINGLE define, code
eschrock
parents:
1003
diff
changeset
|
3152 |
*/ |
2676 | 3153 |
if (props == NULL || nvlist_lookup_uint64(props, |
3154 |
zfs_prop_to_name(ZFS_PROP_VOLSIZE), &size) != 0) { |
|
3155 |
nvlist_free(props); |
|
2082 | 3156 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
2676 | 3157 |
"missing volume size")); |
3158 |
return (zfs_error(hdl, EZFS_BADPROP, errbuf)); |
|
789 | 3159 |
} |
3160 |
||
2676 | 3161 |
if ((ret = nvlist_lookup_uint64(props, |
3162 |
zfs_prop_to_name(ZFS_PROP_VOLBLOCKSIZE), |
|
3163 |
&blocksize)) != 0) { |
|
3164 |
if (ret == ENOENT) { |
|
3165 |
blocksize = zfs_prop_default_numeric( |
|
3166 |
ZFS_PROP_VOLBLOCKSIZE); |
|
3167 |
} else { |
|
3168 |
nvlist_free(props); |
|
3169 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
|
3170 |
"missing volume block size")); |
|
3171 |
return (zfs_error(hdl, EZFS_BADPROP, errbuf)); |
|
3172 |
} |
|
3173 |
} |
|
3174 |
||
3175 |
if (size == 0) { |
|
3176 |
nvlist_free(props); |
|
2082 | 3177 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
2676 | 3178 |
"volume size cannot be zero")); |
3179 |
return (zfs_error(hdl, EZFS_BADPROP, errbuf)); |
|
1133
335d069294d1
6357470 vdev_raidz.c has unused RAIDZ_SINGLE define, code
eschrock
parents:
1003
diff
changeset
|
3180 |
} |
335d069294d1
6357470 vdev_raidz.c has unused RAIDZ_SINGLE define, code
eschrock
parents:
1003
diff
changeset
|
3181 |
|
335d069294d1
6357470 vdev_raidz.c has unused RAIDZ_SINGLE define, code
eschrock
parents:
1003
diff
changeset
|
3182 |
if (size % blocksize != 0) { |
2676 | 3183 |
nvlist_free(props); |
2082 | 3184 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
2676 | 3185 |
"volume size must be a multiple of volume block " |
3186 |
"size")); |
|
3187 |
return (zfs_error(hdl, EZFS_BADPROP, errbuf)); |
|
1133
335d069294d1
6357470 vdev_raidz.c has unused RAIDZ_SINGLE define, code
eschrock
parents:
1003
diff
changeset
|
3188 |
} |
789 | 3189 |
} |
3190 |
||
5094 | 3191 |
if (props && zcmd_write_src_nvlist(hdl, &zc, props) != 0) |
2676 | 3192 |
return (-1); |
3193 |
nvlist_free(props); |
|
3194 |
||
789 | 3195 |
/* create the dataset */ |
4543 | 3196 |
ret = zfs_ioctl(hdl, ZFS_IOC_CREATE, &zc); |
789 | 3197 |
|
3912 | 3198 |
if (ret == 0 && type == ZFS_TYPE_VOLUME) { |
2082 | 3199 |
ret = zvol_create_link(hdl, path); |
3912 | 3200 |
if (ret) { |
3201 |
(void) zfs_standard_error(hdl, errno, |
|
3202 |
dgettext(TEXT_DOMAIN, |
|
3203 |
"Volume successfully created, but device links " |
|
3204 |
"were not created")); |
|
3205 |
zcmd_free_nvlists(&zc); |
|
3206 |
return (-1); |
|
3207 |
} |
|
3208 |
} |
|
789 | 3209 |
|
2676 | 3210 |
zcmd_free_nvlists(&zc); |
3211 |
||
789 | 3212 |
/* check for failure */ |
3213 |
if (ret != 0) { |
|
3214 |
char parent[ZFS_MAXNAMELEN]; |
|
3215 |
(void) parent_name(path, parent, sizeof (parent)); |
|
3216 |
||
3217 |
switch (errno) { |
|
3218 |
case ENOENT: |
|
2082 | 3219 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
3220 |
"no such parent '%s'"), parent); |
|
3221 |
return (zfs_error(hdl, EZFS_NOENT, errbuf)); |
|
789 | 3222 |
|
3223 |
case EINVAL: |
|
2082 | 3224 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
3413
f4cbe0204ab7
6471255 Some ZFS error messages contain spelling errors
mmusante
parents:
3377
diff
changeset
|
3225 |
"parent '%s' is not a filesystem"), parent); |
2082 | 3226 |
return (zfs_error(hdl, EZFS_BADTYPE, errbuf)); |
789 | 3227 |
|
3228 |
case EDOM: |
|
2082 | 3229 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
2676 | 3230 |
"volume block size must be power of 2 from " |
3231 |
"%u to %uk"), |
|
789 | 3232 |
(uint_t)SPA_MINBLOCKSIZE, |
3233 |
(uint_t)SPA_MAXBLOCKSIZE >> 10); |
|
2082 | 3234 |
|
2676 | 3235 |
return (zfs_error(hdl, EZFS_BADPROP, errbuf)); |
2082 | 3236 |
|
4603
c7840c367d00
6494569 zfs recv -d pool/<doesn't exist> core dumps for top-level filesystem backups
ahrens
parents:
4597
diff
changeset
|
3237 |
case ENOTSUP: |
c7840c367d00
6494569 zfs recv -d pool/<doesn't exist> core dumps for top-level filesystem backups
ahrens
parents:
4597
diff
changeset
|
3238 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
c7840c367d00
6494569 zfs recv -d pool/<doesn't exist> core dumps for top-level filesystem backups
ahrens
parents:
4597
diff
changeset
|
3239 |
"pool must be upgraded to set this " |
c7840c367d00
6494569 zfs recv -d pool/<doesn't exist> core dumps for top-level filesystem backups
ahrens
parents:
4597
diff
changeset
|
3240 |
"property or value")); |
c7840c367d00
6494569 zfs recv -d pool/<doesn't exist> core dumps for top-level filesystem backups
ahrens
parents:
4597
diff
changeset
|
3241 |
return (zfs_error(hdl, EZFS_BADVERSION, errbuf)); |
789 | 3242 |
#ifdef _ILP32 |
3243 |
case EOVERFLOW: |
|
3244 |
/* |
|
3245 |
* This platform can't address a volume this big. |
|
3246 |
*/ |
|
2082 | 3247 |
if (type == ZFS_TYPE_VOLUME) |
3248 |
return (zfs_error(hdl, EZFS_VOLTOOBIG, |
|
3249 |
errbuf)); |
|
789 | 3250 |
#endif |
2082 | 3251 |
/* FALLTHROUGH */ |
789 | 3252 |
default: |
2082 | 3253 |
return (zfs_standard_error(hdl, errno, errbuf)); |
789 | 3254 |
} |
3255 |
} |
|
3256 |
||
3257 |
return (0); |
|
3258 |
} |
|
3259 |
||
3260 |
/* |
|
3261 |
* Destroys the given dataset. The caller must make sure that the filesystem |
|
3262 |
* isn't mounted, and that there are no active dependents. |
|
3263 |
*/ |
|
3264 |
int |
|
3265 |
zfs_destroy(zfs_handle_t *zhp) |
|
3266 |
{ |
|
3267 |
zfs_cmd_t zc = { 0 }; |
|
3268 |
||
3269 |
(void) strlcpy(zc.zc_name, zhp->zfs_name, sizeof (zc.zc_name)); |
|
3270 |
||
2676 | 3271 |
if (ZFS_IS_VOLUME(zhp)) { |
3126 | 3272 |
/* |
4543 | 3273 |
* If user doesn't have permissions to unshare volume, then |
3274 |
* abort the request. This would only happen for a |
|
3275 |
* non-privileged user. |
|
3126 | 3276 |
*/ |
4543 | 3277 |
if (zfs_unshare_iscsi(zhp) != 0) { |
3278 |
return (-1); |
|
3279 |
} |
|
3126 | 3280 |
|
2082 | 3281 |
if (zvol_remove_link(zhp->zfs_hdl, zhp->zfs_name) != 0) |
789 | 3282 |
return (-1); |
3283 |
||
3284 |
zc.zc_objset_type = DMU_OST_ZVOL; |
|
3285 |
} else { |
|
3286 |
zc.zc_objset_type = DMU_OST_ZFS; |
|
3287 |
} |
|
3288 |
||
4543 | 3289 |
if (zfs_ioctl(zhp->zfs_hdl, ZFS_IOC_DESTROY, &zc) != 0) { |
3237
98d0c28f2f5e
6480245 renaming a dataset to something with '%s' will cause segfault
lling
parents:
3234
diff
changeset
|
3290 |
return (zfs_standard_error_fmt(zhp->zfs_hdl, errno, |
2082 | 3291 |
dgettext(TEXT_DOMAIN, "cannot destroy '%s'"), |
3292 |
zhp->zfs_name)); |
|
2199 | 3293 |
} |
789 | 3294 |
|
3295 |
remove_mountpoint(zhp); |
|
3296 |
||
3297 |
return (0); |
|
3298 |
} |
|
3299 |
||
2199 | 3300 |
struct destroydata { |
3301 |
char *snapname; |
|
3302 |
boolean_t gotone; |
|
3265
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
3303 |
boolean_t closezhp; |
2199 | 3304 |
}; |
3305 |
||
3306 |
static int |
|
3307 |
zfs_remove_link_cb(zfs_handle_t *zhp, void *arg) |
|
3308 |
{ |
|
3309 |
struct destroydata *dd = arg; |
|
3310 |
zfs_handle_t *szhp; |
|
3311 |
char name[ZFS_MAXNAMELEN]; |
|
3265
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
3312 |
boolean_t closezhp = dd->closezhp; |
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
3313 |
int rv; |
2199 | 3314 |
|
2676 | 3315 |
(void) strlcpy(name, zhp->zfs_name, sizeof (name)); |
3316 |
(void) strlcat(name, "@", sizeof (name)); |
|
3317 |
(void) strlcat(name, dd->snapname, sizeof (name)); |
|
2199 | 3318 |
|
3319 |
szhp = make_dataset_handle(zhp->zfs_hdl, name); |
|
3320 |
if (szhp) { |
|
3321 |
dd->gotone = B_TRUE; |
|
3322 |
zfs_close(szhp); |
|
3323 |
} |
|
3324 |
||
3325 |
if (zhp->zfs_type == ZFS_TYPE_VOLUME) { |
|
3326 |
(void) zvol_remove_link(zhp->zfs_hdl, name); |
|
3327 |
/* |
|
3328 |
* NB: this is simply a best-effort. We don't want to |
|
3329 |
* return an error, because then we wouldn't visit all |
|
3330 |
* the volumes. |
|
3331 |
*/ |
|
3332 |
} |
|
3333 |
||
3265
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
3334 |
dd->closezhp = B_TRUE; |
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
3335 |
rv = zfs_iter_filesystems(zhp, zfs_remove_link_cb, arg); |
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
3336 |
if (closezhp) |
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
3337 |
zfs_close(zhp); |
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
3338 |
return (rv); |
2199 | 3339 |
} |
3340 |
||
3341 |
/* |
|
3342 |
* Destroys all snapshots with the given name in zhp & descendants. |
|
3343 |
*/ |
|
3344 |
int |
|
3345 |
zfs_destroy_snaps(zfs_handle_t *zhp, char *snapname) |
|
3346 |
{ |
|
3347 |
zfs_cmd_t zc = { 0 }; |
|
3348 |
int ret; |
|
3349 |
struct destroydata dd = { 0 }; |
|
3350 |
||
3351 |
dd.snapname = snapname; |
|
3352 |
(void) zfs_remove_link_cb(zhp, &dd); |
|
3353 |
||
3354 |
if (!dd.gotone) { |
|
3237
98d0c28f2f5e
6480245 renaming a dataset to something with '%s' will cause segfault
lling
parents:
3234
diff
changeset
|
3355 |
return (zfs_standard_error_fmt(zhp->zfs_hdl, ENOENT, |
2199 | 3356 |
dgettext(TEXT_DOMAIN, "cannot destroy '%s@%s'"), |
3357 |
zhp->zfs_name, snapname)); |
|
3358 |
} |
|
3359 |
||
3360 |
(void) strlcpy(zc.zc_name, zhp->zfs_name, sizeof (zc.zc_name)); |
|
2676 | 3361 |
(void) strlcpy(zc.zc_value, snapname, sizeof (zc.zc_value)); |
2199 | 3362 |
|
4543 | 3363 |
ret = zfs_ioctl(zhp->zfs_hdl, ZFS_IOC_DESTROY_SNAPS, &zc); |
2199 | 3364 |
if (ret != 0) { |
3365 |
char errbuf[1024]; |
|
3366 |
||
3367 |
(void) snprintf(errbuf, sizeof (errbuf), dgettext(TEXT_DOMAIN, |
|
3368 |
"cannot destroy '%s@%s'"), zc.zc_name, snapname); |
|
3369 |
||
3370 |
switch (errno) { |
|
3371 |
case EEXIST: |
|
3372 |
zfs_error_aux(zhp->zfs_hdl, dgettext(TEXT_DOMAIN, |
|
3373 |
"snapshot is cloned")); |
|
3374 |
return (zfs_error(zhp->zfs_hdl, EZFS_EXISTS, errbuf)); |
|
3375 |
||
3376 |
default: |
|
3377 |
return (zfs_standard_error(zhp->zfs_hdl, errno, |
|
3378 |
errbuf)); |
|
3379 |
} |
|
3380 |
} |
|
3381 |
||
3382 |
return (0); |
|
3383 |
} |
|
3384 |
||
789 | 3385 |
/* |
3386 |
* Clones the given dataset. The target must be of the same type as the source. |
|
3387 |
*/ |
|
3388 |
int |
|
2676 | 3389 |
zfs_clone(zfs_handle_t *zhp, const char *target, nvlist_t *props) |
789 | 3390 |
{ |
3391 |
zfs_cmd_t zc = { 0 }; |
|
3392 |
char parent[ZFS_MAXNAMELEN]; |
|
3393 |
int ret; |
|
2082 | 3394 |
char errbuf[1024]; |
3395 |
libzfs_handle_t *hdl = zhp->zfs_hdl; |
|
2676 | 3396 |
zfs_type_t type; |
3397 |
uint64_t zoned; |
|
789 | 3398 |
|
3399 |
assert(zhp->zfs_type == ZFS_TYPE_SNAPSHOT); |
|
3400 |
||
2082 | 3401 |
(void) snprintf(errbuf, sizeof (errbuf), dgettext(TEXT_DOMAIN, |
3402 |
"cannot create '%s'"), target); |
|
3403 |
||
789 | 3404 |
/* validate the target name */ |
5326
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
3405 |
if (!zfs_validate_name(hdl, target, ZFS_TYPE_FILESYSTEM, B_TRUE)) |
2082 | 3406 |
return (zfs_error(hdl, EZFS_INVALIDNAME, errbuf)); |
789 | 3407 |
|
3408 |
/* validate parents exist */ |
|
4490 | 3409 |
if (check_parents(hdl, target, &zoned, B_FALSE, NULL) != 0) |
789 | 3410 |
return (-1); |
3411 |
||
3412 |
(void) parent_name(target, parent, sizeof (parent)); |
|
3413 |
||
3414 |
/* do the clone */ |
|
2676 | 3415 |
if (ZFS_IS_VOLUME(zhp)) { |
789 | 3416 |
zc.zc_objset_type = DMU_OST_ZVOL; |
2744
0a6f00b6a209
6468554 zone install with a zfs zonepath could not create a dataset
nn35248
parents:
2676
diff
changeset
|
3417 |
type = ZFS_TYPE_VOLUME; |
2676 | 3418 |
} else { |
789 | 3419 |
zc.zc_objset_type = DMU_OST_ZFS; |
2744
0a6f00b6a209
6468554 zone install with a zfs zonepath could not create a dataset
nn35248
parents:
2676
diff
changeset
|
3420 |
type = ZFS_TYPE_FILESYSTEM; |
2676 | 3421 |
} |
3422 |
||
3423 |
if (props) { |
|
7184
9508660f9c27
PSARC 2008/223 Pool root file system properties via zpool(1M)
timh
parents:
7042
diff
changeset
|
3424 |
if ((props = zfs_valid_proplist(hdl, type, props, zoned, |
9508660f9c27
PSARC 2008/223 Pool root file system properties via zpool(1M)
timh
parents:
7042
diff
changeset
|
3425 |
zhp, errbuf)) == NULL) |
2676 | 3426 |
return (-1); |
3427 |
||
5094 | 3428 |
if (zcmd_write_src_nvlist(hdl, &zc, props) != 0) { |
2676 | 3429 |
nvlist_free(props); |
3430 |
return (-1); |
|
3431 |
} |
|
3432 |
||
3433 |
nvlist_free(props); |
|
3434 |
} |
|
789 | 3435 |
|
3436 |
(void) strlcpy(zc.zc_name, target, sizeof (zc.zc_name)); |
|
2676 | 3437 |
(void) strlcpy(zc.zc_value, zhp->zfs_name, sizeof (zc.zc_value)); |
4543 | 3438 |
ret = zfs_ioctl(zhp->zfs_hdl, ZFS_IOC_CREATE, &zc); |
789 | 3439 |
|
2676 | 3440 |
zcmd_free_nvlists(&zc); |
3441 |
||
789 | 3442 |
if (ret != 0) { |
3443 |
switch (errno) { |
|
3444 |
||
3445 |
case ENOENT: |
|
3446 |
/* |
|
3447 |
* The parent doesn't exist. We should have caught this |
|
3448 |
* above, but there may a race condition that has since |
|
3449 |
* destroyed the parent. |
|
3450 |
* |
|
3451 |
* At this point, we don't know whether it's the source |
|
3452 |
* that doesn't exist anymore, or whether the target |
|
3453 |
* dataset doesn't exist. |
|
3454 |
*/ |
|
2082 | 3455 |
zfs_error_aux(zhp->zfs_hdl, dgettext(TEXT_DOMAIN, |
3456 |
"no such parent '%s'"), parent); |
|
3457 |
return (zfs_error(zhp->zfs_hdl, EZFS_NOENT, errbuf)); |
|
3458 |
||
3459 |
case EXDEV: |
|
3460 |
zfs_error_aux(zhp->zfs_hdl, dgettext(TEXT_DOMAIN, |
|
3461 |
"source and target pools differ")); |
|
3462 |
return (zfs_error(zhp->zfs_hdl, EZFS_CROSSTARGET, |
|
3463 |
errbuf)); |
|
3464 |
||
3465 |
default: |
|
3466 |
return (zfs_standard_error(zhp->zfs_hdl, errno, |
|
3467 |
errbuf)); |
|
3468 |
} |
|
2676 | 3469 |
} else if (ZFS_IS_VOLUME(zhp)) { |
2082 | 3470 |
ret = zvol_create_link(zhp->zfs_hdl, target); |
3471 |
} |
|
3472 |
||
3473 |
return (ret); |
|
3474 |
} |
|
3475 |
||
3476 |
typedef struct promote_data { |
|
3477 |
char cb_mountpoint[MAXPATHLEN]; |
|
3478 |
const char *cb_target; |
|
3479 |
const char *cb_errbuf; |
|
3480 |
uint64_t cb_pivot_txg; |
|
3481 |
} promote_data_t; |
|
3482 |
||
3483 |
static int |
|
3484 |
promote_snap_cb(zfs_handle_t *zhp, void *data) |
|
3485 |
{ |
|
3486 |
promote_data_t *pd = data; |
|
3487 |
zfs_handle_t *szhp; |
|
3488 |
char snapname[MAXPATHLEN]; |
|
3265
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
3489 |
int rv = 0; |
2082 | 3490 |
|
3491 |
/* We don't care about snapshots after the pivot point */ |
|
3265
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
3492 |
if (zfs_prop_get_int(zhp, ZFS_PROP_CREATETXG) > pd->cb_pivot_txg) { |
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
3493 |
zfs_close(zhp); |
2082 | 3494 |
return (0); |
3265
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
3495 |
} |
2082 | 3496 |
|
2417 | 3497 |
/* Remove the device link if it's a zvol. */ |
2676 | 3498 |
if (ZFS_IS_VOLUME(zhp)) |
2417 | 3499 |
(void) zvol_remove_link(zhp->zfs_hdl, zhp->zfs_name); |
2082 | 3500 |
|
3501 |
/* Check for conflicting names */ |
|
2676 | 3502 |
(void) strlcpy(snapname, pd->cb_target, sizeof (snapname)); |
3503 |
(void) strlcat(snapname, strchr(zhp->zfs_name, '@'), sizeof (snapname)); |
|
2082 | 3504 |
szhp = make_dataset_handle(zhp->zfs_hdl, snapname); |
3505 |
if (szhp != NULL) { |
|
3506 |
zfs_close(szhp); |
|
3507 |
zfs_error_aux(zhp->zfs_hdl, dgettext(TEXT_DOMAIN, |
|
3508 |
"snapshot name '%s' from origin \n" |
|
3509 |
"conflicts with '%s' from target"), |
|
3510 |
zhp->zfs_name, snapname); |
|
3265
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
3511 |
rv = zfs_error(zhp->zfs_hdl, EZFS_EXISTS, pd->cb_errbuf); |
2082 | 3512 |
} |
3265
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
3513 |
zfs_close(zhp); |
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
3514 |
return (rv); |
2082 | 3515 |
} |
3516 |
||
2417 | 3517 |
static int |
3518 |
promote_snap_done_cb(zfs_handle_t *zhp, void *data) |
|
3519 |
{ |
|
3520 |
promote_data_t *pd = data; |
|
3521 |
||
3522 |
/* We don't care about snapshots after the pivot point */ |
|
3265
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
3523 |
if (zfs_prop_get_int(zhp, ZFS_PROP_CREATETXG) <= pd->cb_pivot_txg) { |
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
3524 |
/* Create the device link if it's a zvol. */ |
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
3525 |
if (ZFS_IS_VOLUME(zhp)) |
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
3526 |
(void) zvol_create_link(zhp->zfs_hdl, zhp->zfs_name); |
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
3527 |
} |
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
3528 |
|
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
3529 |
zfs_close(zhp); |
2417 | 3530 |
return (0); |
3531 |
} |
|
3532 |
||
2082 | 3533 |
/* |
3534 |
* Promotes the given clone fs to be the clone parent. |
|
3535 |
*/ |
|
3536 |
int |
|
3537 |
zfs_promote(zfs_handle_t *zhp) |
|
3538 |
{ |
|
3539 |
libzfs_handle_t *hdl = zhp->zfs_hdl; |
|
3540 |
zfs_cmd_t zc = { 0 }; |
|
3541 |
char parent[MAXPATHLEN]; |
|
3542 |
char *cp; |
|
3543 |
int ret; |
|
3544 |
zfs_handle_t *pzhp; |
|
3545 |
promote_data_t pd; |
|
3546 |
char errbuf[1024]; |
|
3547 |
||
3548 |
(void) snprintf(errbuf, sizeof (errbuf), dgettext(TEXT_DOMAIN, |
|
3549 |
"cannot promote '%s'"), zhp->zfs_name); |
|
3550 |
||
3551 |
if (zhp->zfs_type == ZFS_TYPE_SNAPSHOT) { |
|
3552 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
|
3553 |
"snapshots can not be promoted")); |
|
3554 |
return (zfs_error(hdl, EZFS_BADTYPE, errbuf)); |
|
3555 |
} |
|
3556 |
||
5367 | 3557 |
(void) strlcpy(parent, zhp->zfs_dmustats.dds_origin, sizeof (parent)); |
2082 | 3558 |
if (parent[0] == '\0') { |
3559 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
|
3560 |
"not a cloned filesystem")); |
|
3561 |
return (zfs_error(hdl, EZFS_BADTYPE, errbuf)); |
|
3562 |
} |
|
3563 |
cp = strchr(parent, '@'); |
|
3564 |
*cp = '\0'; |
|
3565 |
||
3566 |
/* Walk the snapshots we will be moving */ |
|
5367 | 3567 |
pzhp = zfs_open(hdl, zhp->zfs_dmustats.dds_origin, ZFS_TYPE_SNAPSHOT); |
2082 | 3568 |
if (pzhp == NULL) |
3569 |
return (-1); |
|
3570 |
pd.cb_pivot_txg = zfs_prop_get_int(pzhp, ZFS_PROP_CREATETXG); |
|
3571 |
zfs_close(pzhp); |
|
3572 |
pd.cb_target = zhp->zfs_name; |
|
3573 |
pd.cb_errbuf = errbuf; |
|
5094 | 3574 |
pzhp = zfs_open(hdl, parent, ZFS_TYPE_DATASET); |
2082 | 3575 |
if (pzhp == NULL) |
3576 |
return (-1); |
|
3577 |
(void) zfs_prop_get(pzhp, ZFS_PROP_MOUNTPOINT, pd.cb_mountpoint, |
|
3578 |
sizeof (pd.cb_mountpoint), NULL, NULL, 0, FALSE); |
|
3579 |
ret = zfs_iter_snapshots(pzhp, promote_snap_cb, &pd); |
|
2417 | 3580 |
if (ret != 0) { |
3581 |
zfs_close(pzhp); |
|
2082 | 3582 |
return (-1); |
2417 | 3583 |
} |
2082 | 3584 |
|
3585 |
/* issue the ioctl */ |
|
5367 | 3586 |
(void) strlcpy(zc.zc_value, zhp->zfs_dmustats.dds_origin, |
2676 | 3587 |
sizeof (zc.zc_value)); |
2082 | 3588 |
(void) strlcpy(zc.zc_name, zhp->zfs_name, sizeof (zc.zc_name)); |
4543 | 3589 |
ret = zfs_ioctl(hdl, ZFS_IOC_PROMOTE, &zc); |
2082 | 3590 |
|
3591 |
if (ret != 0) { |
|
2417 | 3592 |
int save_errno = errno; |
3593 |
||
3594 |
(void) zfs_iter_snapshots(pzhp, promote_snap_done_cb, &pd); |
|
3595 |
zfs_close(pzhp); |
|
3596 |
||
3597 |
switch (save_errno) { |
|
789 | 3598 |
case EEXIST: |
3599 |
/* |
|
2082 | 3600 |
* There is a conflicting snapshot name. We |
3601 |
* should have caught this above, but they could |
|
3602 |
* have renamed something in the mean time. |
|
789 | 3603 |
*/ |
2082 | 3604 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
3605 |
"conflicting snapshot name from parent '%s'"), |
|
3606 |
parent); |
|
3607 |
return (zfs_error(hdl, EZFS_EXISTS, errbuf)); |
|
789 | 3608 |
|
3609 |
default: |
|
2417 | 3610 |
return (zfs_standard_error(hdl, save_errno, errbuf)); |
789 | 3611 |
} |
2417 | 3612 |
} else { |
3613 |
(void) zfs_iter_snapshots(zhp, promote_snap_done_cb, &pd); |
|
789 | 3614 |
} |
3615 |
||
2417 | 3616 |
zfs_close(pzhp); |
789 | 3617 |
return (ret); |
3618 |
} |
|
3619 |
||
4007 | 3620 |
struct createdata { |
3621 |
const char *cd_snapname; |
|
3622 |
int cd_ifexists; |
|
3623 |
}; |
|
3624 |
||
2199 | 3625 |
static int |
3626 |
zfs_create_link_cb(zfs_handle_t *zhp, void *arg) |
|
3627 |
{ |
|
4007 | 3628 |
struct createdata *cd = arg; |
2676 | 3629 |
int ret; |
2199 | 3630 |
|
3631 |
if (zhp->zfs_type == ZFS_TYPE_VOLUME) { |
|
3632 |
char name[MAXPATHLEN]; |
|
3633 |
||
2676 | 3634 |
(void) strlcpy(name, zhp->zfs_name, sizeof (name)); |
3635 |
(void) strlcat(name, "@", sizeof (name)); |
|
4007 | 3636 |
(void) strlcat(name, cd->cd_snapname, sizeof (name)); |
3637 |
(void) zvol_create_link_common(zhp->zfs_hdl, name, |
|
3638 |
cd->cd_ifexists); |
|
2199 | 3639 |
/* |
3640 |
* NB: this is simply a best-effort. We don't want to |
|
3641 |
* return an error, because then we wouldn't visit all |
|
3642 |
* the volumes. |
|
3643 |
*/ |
|
3644 |
} |
|
2676 | 3645 |
|
4007 | 3646 |
ret = zfs_iter_filesystems(zhp, zfs_create_link_cb, cd); |
2676 | 3647 |
|
3648 |
zfs_close(zhp); |
|
3649 |
||
3650 |
return (ret); |
|
2199 | 3651 |
} |
3652 |
||
789 | 3653 |
/* |
3504
6eb2466ff1c9
6516175 zfs_send()/zfs_receive() should take file descriptor arguments
ahl
parents:
3443
diff
changeset
|
3654 |
* Takes a snapshot of the given dataset. |
789 | 3655 |
*/ |
3656 |
int |
|
7265 | 3657 |
zfs_snapshot(libzfs_handle_t *hdl, const char *path, boolean_t recursive, |
3658 |
nvlist_t *props) |
|
789 | 3659 |
{ |
3660 |
const char *delim; |
|
7265 | 3661 |
char parent[ZFS_MAXNAMELEN]; |
789 | 3662 |
zfs_handle_t *zhp; |
3663 |
zfs_cmd_t zc = { 0 }; |
|
3664 |
int ret; |
|
2082 | 3665 |
char errbuf[1024]; |
3666 |
||
3667 |
(void) snprintf(errbuf, sizeof (errbuf), dgettext(TEXT_DOMAIN, |
|
3668 |
"cannot snapshot '%s'"), path); |
|
3669 |
||
3670 |
/* validate the target name */ |
|
5326
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
3671 |
if (!zfs_validate_name(hdl, path, ZFS_TYPE_SNAPSHOT, B_TRUE)) |
2082 | 3672 |
return (zfs_error(hdl, EZFS_INVALIDNAME, errbuf)); |
789 | 3673 |
|
7265 | 3674 |
if (props) { |
3675 |
if ((props = zfs_valid_proplist(hdl, ZFS_TYPE_SNAPSHOT, |
|
3676 |
props, B_FALSE, NULL, errbuf)) == NULL) |
|
3677 |
return (-1); |
|
3678 |
||
3679 |
if (zcmd_write_src_nvlist(hdl, &zc, props) != 0) { |
|
3680 |
nvlist_free(props); |
|
3681 |
return (-1); |
|
3682 |
} |
|
3683 |
||
3684 |
nvlist_free(props); |
|
3685 |
} |
|
3686 |
||
789 | 3687 |
/* make sure the parent exists and is of the appropriate type */ |
2199 | 3688 |
delim = strchr(path, '@'); |
789 | 3689 |
(void) strncpy(parent, path, delim - path); |
3690 |
parent[delim - path] = '\0'; |
|
3691 |
||
2082 | 3692 |
if ((zhp = zfs_open(hdl, parent, ZFS_TYPE_FILESYSTEM | |
789 | 3693 |
ZFS_TYPE_VOLUME)) == NULL) { |
7265 | 3694 |
zcmd_free_nvlists(&zc); |
789 | 3695 |
return (-1); |
3696 |
} |
|
3697 |
||
2199 | 3698 |
(void) strlcpy(zc.zc_name, zhp->zfs_name, sizeof (zc.zc_name)); |
2676 | 3699 |
(void) strlcpy(zc.zc_value, delim+1, sizeof (zc.zc_value)); |
4543 | 3700 |
if (ZFS_IS_VOLUME(zhp)) |
3701 |
zc.zc_objset_type = DMU_OST_ZVOL; |
|
3702 |
else |
|
3703 |
zc.zc_objset_type = DMU_OST_ZFS; |
|
2199 | 3704 |
zc.zc_cookie = recursive; |
4543 | 3705 |
ret = zfs_ioctl(zhp->zfs_hdl, ZFS_IOC_SNAPSHOT, &zc); |
2199 | 3706 |
|
7265 | 3707 |
zcmd_free_nvlists(&zc); |
3708 |
||
2199 | 3709 |
/* |
3710 |
* if it was recursive, the one that actually failed will be in |
|
3711 |
* zc.zc_name. |
|
3712 |
*/ |
|
4543 | 3713 |
if (ret != 0) |
3714 |
(void) snprintf(errbuf, sizeof (errbuf), dgettext(TEXT_DOMAIN, |
|
3715 |
"cannot create snapshot '%s@%s'"), zc.zc_name, zc.zc_value); |
|
3716 |
||
2199 | 3717 |
if (ret == 0 && recursive) { |
4007 | 3718 |
struct createdata cd; |
3719 |
||
3720 |
cd.cd_snapname = delim + 1; |
|
3721 |
cd.cd_ifexists = B_FALSE; |
|
3722 |
(void) zfs_iter_filesystems(zhp, zfs_create_link_cb, &cd); |
|
2199 | 3723 |
} |
789 | 3724 |
if (ret == 0 && zhp->zfs_type == ZFS_TYPE_VOLUME) { |
2082 | 3725 |
ret = zvol_create_link(zhp->zfs_hdl, path); |
2199 | 3726 |
if (ret != 0) { |
4543 | 3727 |
(void) zfs_standard_error(hdl, errno, |
3728 |
dgettext(TEXT_DOMAIN, |
|
3729 |
"Volume successfully snapshotted, but device links " |
|
3730 |
"were not created")); |
|
3731 |
zfs_close(zhp); |
|
3732 |
return (-1); |
|
2199 | 3733 |
} |
789 | 3734 |
} |
3735 |
||
2082 | 3736 |
if (ret != 0) |
3737 |
(void) zfs_standard_error(hdl, errno, errbuf); |
|
789 | 3738 |
|
3739 |
zfs_close(zhp); |
|
3740 |
||
3741 |
return (ret); |
|
3742 |
} |
|
3743 |
||
3744 |
/* |
|
1294
87b43e5de5ee
6364129 need to unmount any child datasets before doing the rollback
lling
parents:
1175
diff
changeset
|
3745 |
* Destroy any more recent snapshots. We invoke this callback on any dependents |
87b43e5de5ee
6364129 need to unmount any child datasets before doing the rollback
lling
parents:
1175
diff
changeset
|
3746 |
* of the snapshot first. If the 'cb_dependent' member is non-zero, then this |
87b43e5de5ee
6364129 need to unmount any child datasets before doing the rollback
lling
parents:
1175
diff
changeset
|
3747 |
* is a dependent and we should just destroy it without checking the transaction |
87b43e5de5ee
6364129 need to unmount any child datasets before doing the rollback
lling
parents:
1175
diff
changeset
|
3748 |
* group. |
789 | 3749 |
*/ |
1294
87b43e5de5ee
6364129 need to unmount any child datasets before doing the rollback
lling
parents:
1175
diff
changeset
|
3750 |
typedef struct rollback_data { |
87b43e5de5ee
6364129 need to unmount any child datasets before doing the rollback
lling
parents:
1175
diff
changeset
|
3751 |
const char *cb_target; /* the snapshot */ |
87b43e5de5ee
6364129 need to unmount any child datasets before doing the rollback
lling
parents:
1175
diff
changeset
|
3752 |
uint64_t cb_create; /* creation time reference */ |
5749 | 3753 |
boolean_t cb_error; |
2082 | 3754 |
boolean_t cb_dependent; |
5749 | 3755 |
boolean_t cb_force; |
1294
87b43e5de5ee
6364129 need to unmount any child datasets before doing the rollback
lling
parents:
1175
diff
changeset
|
3756 |
} rollback_data_t; |
87b43e5de5ee
6364129 need to unmount any child datasets before doing the rollback
lling
parents:
1175
diff
changeset
|
3757 |
|
87b43e5de5ee
6364129 need to unmount any child datasets before doing the rollback
lling
parents:
1175
diff
changeset
|
3758 |
static int |
87b43e5de5ee
6364129 need to unmount any child datasets before doing the rollback
lling
parents:
1175
diff
changeset
|
3759 |
rollback_destroy(zfs_handle_t *zhp, void *data) |
87b43e5de5ee
6364129 need to unmount any child datasets before doing the rollback
lling
parents:
1175
diff
changeset
|
3760 |
{ |
87b43e5de5ee
6364129 need to unmount any child datasets before doing the rollback
lling
parents:
1175
diff
changeset
|
3761 |
rollback_data_t *cbp = data; |
87b43e5de5ee
6364129 need to unmount any child datasets before doing the rollback
lling
parents:
1175
diff
changeset
|
3762 |
|
87b43e5de5ee
6364129 need to unmount any child datasets before doing the rollback
lling
parents:
1175
diff
changeset
|
3763 |
if (!cbp->cb_dependent) { |
87b43e5de5ee
6364129 need to unmount any child datasets before doing the rollback
lling
parents:
1175
diff
changeset
|
3764 |
if (strcmp(zhp->zfs_name, cbp->cb_target) != 0 && |
87b43e5de5ee
6364129 need to unmount any child datasets before doing the rollback
lling
parents:
1175
diff
changeset
|
3765 |
zfs_get_type(zhp) == ZFS_TYPE_SNAPSHOT && |
87b43e5de5ee
6364129 need to unmount any child datasets before doing the rollback
lling
parents:
1175
diff
changeset
|
3766 |
zfs_prop_get_int(zhp, ZFS_PROP_CREATETXG) > |
87b43e5de5ee
6364129 need to unmount any child datasets before doing the rollback
lling
parents:
1175
diff
changeset
|
3767 |
cbp->cb_create) { |
4543 | 3768 |
char *logstr; |
1294
87b43e5de5ee
6364129 need to unmount any child datasets before doing the rollback
lling
parents:
1175
diff
changeset
|
3769 |
|
2082 | 3770 |
cbp->cb_dependent = B_TRUE; |
5446 | 3771 |
cbp->cb_error |= zfs_iter_dependents(zhp, B_FALSE, |
3772 |
rollback_destroy, cbp); |
|
2082 | 3773 |
cbp->cb_dependent = B_FALSE; |
1294
87b43e5de5ee
6364129 need to unmount any child datasets before doing the rollback
lling
parents:
1175
diff
changeset
|
3774 |
|
4543 | 3775 |
logstr = zhp->zfs_hdl->libzfs_log_str; |
3776 |
zhp->zfs_hdl->libzfs_log_str = NULL; |
|
5446 | 3777 |
cbp->cb_error |= zfs_destroy(zhp); |
4543 | 3778 |
zhp->zfs_hdl->libzfs_log_str = logstr; |
1294
87b43e5de5ee
6364129 need to unmount any child datasets before doing the rollback
lling
parents:
1175
diff
changeset
|
3779 |
} |
87b43e5de5ee
6364129 need to unmount any child datasets before doing the rollback
lling
parents:
1175
diff
changeset
|
3780 |
} else { |
5749 | 3781 |
/* We must destroy this clone; first unmount it */ |
3782 |
prop_changelist_t *clp; |
|
3783 |
||
7366
33de5956afbb
6678308 zfs receive dumps core when -n is used, fails on replication stream
Tim Haley <Tim.Haley@Sun.COM>
parents:
7301
diff
changeset
|
3784 |
clp = changelist_gather(zhp, ZFS_PROP_NAME, 0, |
5749 | 3785 |
cbp->cb_force ? MS_FORCE: 0); |
3786 |
if (clp == NULL || changelist_prefix(clp) != 0) { |
|
3787 |
cbp->cb_error = B_TRUE; |
|
3788 |
zfs_close(zhp); |
|
3789 |
return (0); |
|
3790 |
} |
|
3791 |
if (zfs_destroy(zhp) != 0) |
|
3792 |
cbp->cb_error = B_TRUE; |
|
3793 |
else |
|
3794 |
changelist_remove(clp, zhp->zfs_name); |
|
5751
86c712b1b536
6641210 zfs rollback -R fails with EBUSY if there is a clone (fix lint)
ahrens
parents:
5749
diff
changeset
|
3795 |
(void) changelist_postfix(clp); |
5749 | 3796 |
changelist_free(clp); |
1294
87b43e5de5ee
6364129 need to unmount any child datasets before doing the rollback
lling
parents:
1175
diff
changeset
|
3797 |
} |
87b43e5de5ee
6364129 need to unmount any child datasets before doing the rollback
lling
parents:
1175
diff
changeset
|
3798 |
|
87b43e5de5ee
6364129 need to unmount any child datasets before doing the rollback
lling
parents:
1175
diff
changeset
|
3799 |
zfs_close(zhp); |
87b43e5de5ee
6364129 need to unmount any child datasets before doing the rollback
lling
parents:
1175
diff
changeset
|
3800 |
return (0); |
87b43e5de5ee
6364129 need to unmount any child datasets before doing the rollback
lling
parents:
1175
diff
changeset
|
3801 |
} |
87b43e5de5ee
6364129 need to unmount any child datasets before doing the rollback
lling
parents:
1175
diff
changeset
|
3802 |
|
87b43e5de5ee
6364129 need to unmount any child datasets before doing the rollback
lling
parents:
1175
diff
changeset
|
3803 |
/* |
5446 | 3804 |
* Given a dataset, rollback to a specific snapshot, discarding any |
3805 |
* data changes since then and making it the active dataset. |
|
3806 |
* |
|
3807 |
* Any snapshots more recent than the target are destroyed, along with |
|
3808 |
* their dependents. |
|
1294
87b43e5de5ee
6364129 need to unmount any child datasets before doing the rollback
lling
parents:
1175
diff
changeset
|
3809 |
*/ |
5446 | 3810 |
int |
5749 | 3811 |
zfs_rollback(zfs_handle_t *zhp, zfs_handle_t *snap, boolean_t force) |
789 | 3812 |
{ |
5446 | 3813 |
rollback_data_t cb = { 0 }; |
3814 |
int err; |
|
789 | 3815 |
zfs_cmd_t zc = { 0 }; |
5713 | 3816 |
boolean_t restore_resv = 0; |
3817 |
uint64_t old_volsize, new_volsize; |
|
3818 |
zfs_prop_t resv_prop; |
|
789 | 3819 |
|
3820 |
assert(zhp->zfs_type == ZFS_TYPE_FILESYSTEM || |
|
3821 |
zhp->zfs_type == ZFS_TYPE_VOLUME); |
|
3822 |
||
5446 | 3823 |
/* |
3824 |
* Destroy all recent snapshots and its dependends. |
|
3825 |
*/ |
|
5749 | 3826 |
cb.cb_force = force; |
5446 | 3827 |
cb.cb_target = snap->zfs_name; |
3828 |
cb.cb_create = zfs_prop_get_int(snap, ZFS_PROP_CREATETXG); |
|
3829 |
(void) zfs_iter_children(zhp, rollback_destroy, &cb); |
|
3830 |
||
5749 | 3831 |
if (cb.cb_error) |
3832 |
return (-1); |
|
5446 | 3833 |
|
3834 |
/* |
|
3835 |
* Now that we have verified that the snapshot is the latest, |
|
3836 |
* rollback to the given snapshot. |
|
3837 |
*/ |
|
3838 |
||
5713 | 3839 |
if (zhp->zfs_type == ZFS_TYPE_VOLUME) { |
3840 |
if (zvol_remove_link(zhp->zfs_hdl, zhp->zfs_name) != 0) |
|
3841 |
return (-1); |
|
3842 |
if (zfs_which_resv_prop(zhp, &resv_prop) < 0) |
|
3843 |
return (-1); |
|
3844 |
old_volsize = zfs_prop_get_int(zhp, ZFS_PROP_VOLSIZE); |
|
3845 |
restore_resv = |
|
3846 |
(old_volsize == zfs_prop_get_int(zhp, resv_prop)); |
|
3847 |
} |
|
789 | 3848 |
|
3849 |
(void) strlcpy(zc.zc_name, zhp->zfs_name, sizeof (zc.zc_name)); |
|
3850 |
||
2676 | 3851 |
if (ZFS_IS_VOLUME(zhp)) |
789 | 3852 |
zc.zc_objset_type = DMU_OST_ZVOL; |
3853 |
else |
|
3854 |
zc.zc_objset_type = DMU_OST_ZFS; |
|
3855 |
||
3856 |
/* |
|
5446 | 3857 |
* We rely on zfs_iter_children() to verify that there are no |
3858 |
* newer snapshots for the given dataset. Therefore, we can |
|
3859 |
* simply pass the name on to the ioctl() call. There is still |
|
3860 |
* an unlikely race condition where the user has taken a |
|
3861 |
* snapshot since we verified that this was the most recent. |
|
5713 | 3862 |
* |
789 | 3863 |
*/ |
5446 | 3864 |
if ((err = zfs_ioctl(zhp->zfs_hdl, ZFS_IOC_ROLLBACK, &zc)) != 0) { |
3237
98d0c28f2f5e
6480245 renaming a dataset to something with '%s' will cause segfault
lling
parents:
3234
diff
changeset
|
3865 |
(void) zfs_standard_error_fmt(zhp->zfs_hdl, errno, |
2082 | 3866 |
dgettext(TEXT_DOMAIN, "cannot rollback '%s'"), |
3867 |
zhp->zfs_name); |
|
5717
b163be0bb014
6419176 'zfs rollback <volume@snap>' does not lower reservation (fix lint)
rm160521
parents:
5713
diff
changeset
|
3868 |
return (err); |
b163be0bb014
6419176 'zfs rollback <volume@snap>' does not lower reservation (fix lint)
rm160521
parents:
5713
diff
changeset
|
3869 |
} |
5713 | 3870 |
|
3871 |
/* |
|
3872 |
* For volumes, if the pre-rollback volsize matched the pre- |
|
3873 |
* rollback reservation and the volsize has changed then set |
|
3874 |
* the reservation property to the post-rollback volsize. |
|
3875 |
* Make a new handle since the rollback closed the dataset. |
|
3876 |
*/ |
|
5717
b163be0bb014
6419176 'zfs rollback <volume@snap>' does not lower reservation (fix lint)
rm160521
parents:
5713
diff
changeset
|
3877 |
if ((zhp->zfs_type == ZFS_TYPE_VOLUME) && |
b163be0bb014
6419176 'zfs rollback <volume@snap>' does not lower reservation (fix lint)
rm160521
parents:
5713
diff
changeset
|
3878 |
(zhp = make_dataset_handle(zhp->zfs_hdl, zhp->zfs_name))) { |
b163be0bb014
6419176 'zfs rollback <volume@snap>' does not lower reservation (fix lint)
rm160521
parents:
5713
diff
changeset
|
3879 |
if (err = zvol_create_link(zhp->zfs_hdl, zhp->zfs_name)) { |
b163be0bb014
6419176 'zfs rollback <volume@snap>' does not lower reservation (fix lint)
rm160521
parents:
5713
diff
changeset
|
3880 |
zfs_close(zhp); |
5713 | 3881 |
return (err); |
5717
b163be0bb014
6419176 'zfs rollback <volume@snap>' does not lower reservation (fix lint)
rm160521
parents:
5713
diff
changeset
|
3882 |
} |
5713 | 3883 |
if (restore_resv) { |
3884 |
new_volsize = zfs_prop_get_int(zhp, ZFS_PROP_VOLSIZE); |
|
3885 |
if (old_volsize != new_volsize) |
|
5717
b163be0bb014
6419176 'zfs rollback <volume@snap>' does not lower reservation (fix lint)
rm160521
parents:
5713
diff
changeset
|
3886 |
err = zfs_prop_set_int(zhp, resv_prop, |
b163be0bb014
6419176 'zfs rollback <volume@snap>' does not lower reservation (fix lint)
rm160521
parents:
5713
diff
changeset
|
3887 |
new_volsize); |
5713 | 3888 |
} |
3889 |
zfs_close(zhp); |
|
789 | 3890 |
} |
5446 | 3891 |
return (err); |
1294
87b43e5de5ee
6364129 need to unmount any child datasets before doing the rollback
lling
parents:
1175
diff
changeset
|
3892 |
} |
87b43e5de5ee
6364129 need to unmount any child datasets before doing the rollback
lling
parents:
1175
diff
changeset
|
3893 |
|
87b43e5de5ee
6364129 need to unmount any child datasets before doing the rollback
lling
parents:
1175
diff
changeset
|
3894 |
/* |
789 | 3895 |
* Iterate over all dependents for a given dataset. This includes both |
3896 |
* hierarchical dependents (children) and data dependents (snapshots and |
|
3897 |
* clones). The bulk of the processing occurs in get_dependents() in |
|
3898 |
* libzfs_graph.c. |
|
3899 |
*/ |
|
3900 |
int |
|
2474
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2440
diff
changeset
|
3901 |
zfs_iter_dependents(zfs_handle_t *zhp, boolean_t allowrecursion, |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2440
diff
changeset
|
3902 |
zfs_iter_f func, void *data) |
789 | 3903 |
{ |
3904 |
char **dependents; |
|
3905 |
size_t count; |
|
3906 |
int i; |
|
3907 |
zfs_handle_t *child; |
|
3908 |
int ret = 0; |
|
3909 |
||
2474
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2440
diff
changeset
|
3910 |
if (get_dependents(zhp->zfs_hdl, allowrecursion, zhp->zfs_name, |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2440
diff
changeset
|
3911 |
&dependents, &count) != 0) |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2440
diff
changeset
|
3912 |
return (-1); |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2440
diff
changeset
|
3913 |
|
789 | 3914 |
for (i = 0; i < count; i++) { |
2082 | 3915 |
if ((child = make_dataset_handle(zhp->zfs_hdl, |
3916 |
dependents[i])) == NULL) |
|
789 | 3917 |
continue; |
3918 |
||
3919 |
if ((ret = func(child, data)) != 0) |
|
3920 |
break; |
|
3921 |
} |
|
3922 |
||
3923 |
for (i = 0; i < count; i++) |
|
3924 |
free(dependents[i]); |
|
3925 |
free(dependents); |
|
3926 |
||
3927 |
return (ret); |
|
3928 |
} |
|
3929 |
||
3930 |
/* |
|
3931 |
* Renames the given dataset. |
|
3932 |
*/ |
|
3933 |
int |
|
4490 | 3934 |
zfs_rename(zfs_handle_t *zhp, const char *target, boolean_t recursive) |
789 | 3935 |
{ |
3936 |
int ret; |
|
3937 |
zfs_cmd_t zc = { 0 }; |
|
3938 |
char *delim; |
|
4007 | 3939 |
prop_changelist_t *cl = NULL; |
3940 |
zfs_handle_t *zhrp = NULL; |
|
3941 |
char *parentname = NULL; |
|
789 | 3942 |
char parent[ZFS_MAXNAMELEN]; |
2082 | 3943 |
libzfs_handle_t *hdl = zhp->zfs_hdl; |
3944 |
char errbuf[1024]; |
|
789 | 3945 |
|
3946 |
/* if we have the same exact name, just return success */ |
|
3947 |
if (strcmp(zhp->zfs_name, target) == 0) |
|
3948 |
return (0); |
|
3949 |
||
2082 | 3950 |
(void) snprintf(errbuf, sizeof (errbuf), dgettext(TEXT_DOMAIN, |
3951 |
"cannot rename to '%s'"), target); |
|
3952 |
||
789 | 3953 |
/* |
3954 |
* Make sure the target name is valid |
|
3955 |
*/ |
|
3956 |
if (zhp->zfs_type == ZFS_TYPE_SNAPSHOT) { |
|
2665 | 3957 |
if ((strchr(target, '@') == NULL) || |
3958 |
*target == '@') { |
|
3959 |
/* |
|
3960 |
* Snapshot target name is abbreviated, |
|
3961 |
* reconstruct full dataset name |
|
3962 |
*/ |
|
3963 |
(void) strlcpy(parent, zhp->zfs_name, |
|
3964 |
sizeof (parent)); |
|
3965 |
delim = strchr(parent, '@'); |
|
3966 |
if (strchr(target, '@') == NULL) |
|
3967 |
*(++delim) = '\0'; |
|
3968 |
else |
|
3969 |
*delim = '\0'; |
|
3970 |
(void) strlcat(parent, target, sizeof (parent)); |
|
3971 |
target = parent; |
|
3972 |
} else { |
|
3973 |
/* |
|
3974 |
* Make sure we're renaming within the same dataset. |
|
3975 |
*/ |
|
3976 |
delim = strchr(target, '@'); |
|
3977 |
if (strncmp(zhp->zfs_name, target, delim - target) |
|
3978 |
!= 0 || zhp->zfs_name[delim - target] != '@') { |
|
3979 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
|
3980 |
"snapshots must be part of same " |
|
3981 |
"dataset")); |
|
3982 |
return (zfs_error(hdl, EZFS_CROSSTARGET, |
|
3912 | 3983 |
errbuf)); |
2665 | 3984 |
} |
789 | 3985 |
} |
5326
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
3986 |
if (!zfs_validate_name(hdl, target, zhp->zfs_type, B_TRUE)) |
2665 | 3987 |
return (zfs_error(hdl, EZFS_INVALIDNAME, errbuf)); |
789 | 3988 |
} else { |
4007 | 3989 |
if (recursive) { |
3990 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
|
3991 |
"recursive rename must be a snapshot")); |
|
3992 |
return (zfs_error(hdl, EZFS_BADTYPE, errbuf)); |
|
3993 |
} |
|
3994 |
||
5326
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
3995 |
if (!zfs_validate_name(hdl, target, zhp->zfs_type, B_TRUE)) |
2665 | 3996 |
return (zfs_error(hdl, EZFS_INVALIDNAME, errbuf)); |
2676 | 3997 |
uint64_t unused; |
3998 |
||
789 | 3999 |
/* validate parents */ |
4490 | 4000 |
if (check_parents(hdl, target, &unused, B_FALSE, NULL) != 0) |
789 | 4001 |
return (-1); |
4002 |
||
4003 |
(void) parent_name(target, parent, sizeof (parent)); |
|
4004 |
||
4005 |
/* make sure we're in the same pool */ |
|
4006 |
verify((delim = strchr(target, '/')) != NULL); |
|
4007 |
if (strncmp(zhp->zfs_name, target, delim - target) != 0 || |
|
4008 |
zhp->zfs_name[delim - target] != '/') { |
|
2082 | 4009 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
4010 |
"datasets must be within same pool")); |
|
4011 |
return (zfs_error(hdl, EZFS_CROSSTARGET, errbuf)); |
|
789 | 4012 |
} |
2440
9281a87e8a9e
6451860 zfs rename' a filesystem|clone to its direct child will cause internal error
nd150628
parents:
2417
diff
changeset
|
4013 |
|
9281a87e8a9e
6451860 zfs rename' a filesystem|clone to its direct child will cause internal error
nd150628
parents:
2417
diff
changeset
|
4014 |
/* new name cannot be a child of the current dataset name */ |
9281a87e8a9e
6451860 zfs rename' a filesystem|clone to its direct child will cause internal error
nd150628
parents:
2417
diff
changeset
|
4015 |
if (strncmp(parent, zhp->zfs_name, |
3912 | 4016 |
strlen(zhp->zfs_name)) == 0) { |
2440
9281a87e8a9e
6451860 zfs rename' a filesystem|clone to its direct child will cause internal error
nd150628
parents:
2417
diff
changeset
|
4017 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
9281a87e8a9e
6451860 zfs rename' a filesystem|clone to its direct child will cause internal error
nd150628
parents:
2417
diff
changeset
|
4018 |
"New dataset name cannot be a descendent of " |
9281a87e8a9e
6451860 zfs rename' a filesystem|clone to its direct child will cause internal error
nd150628
parents:
2417
diff
changeset
|
4019 |
"current dataset name")); |
9281a87e8a9e
6451860 zfs rename' a filesystem|clone to its direct child will cause internal error
nd150628
parents:
2417
diff
changeset
|
4020 |
return (zfs_error(hdl, EZFS_INVALIDNAME, errbuf)); |
9281a87e8a9e
6451860 zfs rename' a filesystem|clone to its direct child will cause internal error
nd150628
parents:
2417
diff
changeset
|
4021 |
} |
789 | 4022 |
} |
4023 |
||
2082 | 4024 |
(void) snprintf(errbuf, sizeof (errbuf), |
4025 |
dgettext(TEXT_DOMAIN, "cannot rename '%s'"), zhp->zfs_name); |
|
4026 |
||
789 | 4027 |
if (getzoneid() == GLOBAL_ZONEID && |
4028 |
zfs_prop_get_int(zhp, ZFS_PROP_ZONED)) { |
|
2082 | 4029 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
4030 |
"dataset is used in a non-global zone")); |
|
4031 |
return (zfs_error(hdl, EZFS_ZONED, errbuf)); |
|
789 | 4032 |
} |
4033 |
||
4007 | 4034 |
if (recursive) { |
4035 |
struct destroydata dd; |
|
4036 |
||
4183
8dbff10731ef
6550857 recursive rename leaks memory and segfaults on failure
mmusante
parents:
4180
diff
changeset
|
4037 |
parentname = zfs_strdup(zhp->zfs_hdl, zhp->zfs_name); |
8dbff10731ef
6550857 recursive rename leaks memory and segfaults on failure
mmusante
parents:
4180
diff
changeset
|
4038 |
if (parentname == NULL) { |
8dbff10731ef
6550857 recursive rename leaks memory and segfaults on failure
mmusante
parents:
4180
diff
changeset
|
4039 |
ret = -1; |
8dbff10731ef
6550857 recursive rename leaks memory and segfaults on failure
mmusante
parents:
4180
diff
changeset
|
4040 |
goto error; |
8dbff10731ef
6550857 recursive rename leaks memory and segfaults on failure
mmusante
parents:
4180
diff
changeset
|
4041 |
} |
4007 | 4042 |
delim = strchr(parentname, '@'); |
4043 |
*delim = '\0'; |
|
5094 | 4044 |
zhrp = zfs_open(zhp->zfs_hdl, parentname, ZFS_TYPE_DATASET); |
4007 | 4045 |
if (zhrp == NULL) { |
4183
8dbff10731ef
6550857 recursive rename leaks memory and segfaults on failure
mmusante
parents:
4180
diff
changeset
|
4046 |
ret = -1; |
8dbff10731ef
6550857 recursive rename leaks memory and segfaults on failure
mmusante
parents:
4180
diff
changeset
|
4047 |
goto error; |
4007 | 4048 |
} |
4049 |
||
4050 |
dd.snapname = delim + 1; |
|
4051 |
dd.gotone = B_FALSE; |
|
4183
8dbff10731ef
6550857 recursive rename leaks memory and segfaults on failure
mmusante
parents:
4180
diff
changeset
|
4052 |
dd.closezhp = B_TRUE; |
4007 | 4053 |
|
4054 |
/* We remove any zvol links prior to renaming them */ |
|
4055 |
ret = zfs_iter_filesystems(zhrp, zfs_remove_link_cb, &dd); |
|
4056 |
if (ret) { |
|
4057 |
goto error; |
|
4058 |
} |
|
4059 |
} else { |
|
7366
33de5956afbb
6678308 zfs receive dumps core when -n is used, fails on replication stream
Tim Haley <Tim.Haley@Sun.COM>
parents:
7301
diff
changeset
|
4060 |
if ((cl = changelist_gather(zhp, ZFS_PROP_NAME, 0, 0)) == NULL) |
4007 | 4061 |
return (-1); |
4062 |
||
4063 |
if (changelist_haszonedchild(cl)) { |
|
4064 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
|
4065 |
"child dataset with inherited mountpoint is used " |
|
4066 |
"in a non-global zone")); |
|
4067 |
(void) zfs_error(hdl, EZFS_ZONED, errbuf); |
|
4068 |
goto error; |
|
4069 |
} |
|
4070 |
||
4071 |
if ((ret = changelist_prefix(cl)) != 0) |
|
4072 |
goto error; |
|
789 | 4073 |
} |
4074 |
||
2676 | 4075 |
if (ZFS_IS_VOLUME(zhp)) |
789 | 4076 |
zc.zc_objset_type = DMU_OST_ZVOL; |
4077 |
else |
|
4078 |
zc.zc_objset_type = DMU_OST_ZFS; |
|
4079 |
||
2665 | 4080 |
(void) strlcpy(zc.zc_name, zhp->zfs_name, sizeof (zc.zc_name)); |
2676 | 4081 |
(void) strlcpy(zc.zc_value, target, sizeof (zc.zc_value)); |
2665 | 4082 |
|
4007 | 4083 |
zc.zc_cookie = recursive; |
4084 |
||
4543 | 4085 |
if ((ret = zfs_ioctl(zhp->zfs_hdl, ZFS_IOC_RENAME, &zc)) != 0) { |
4007 | 4086 |
/* |
4087 |
* if it was recursive, the one that actually failed will |
|
4088 |
* be in zc.zc_name |
|
4089 |
*/ |
|
4090 |
(void) snprintf(errbuf, sizeof (errbuf), dgettext(TEXT_DOMAIN, |
|
5367 | 4091 |
"cannot rename '%s'"), zc.zc_name); |
4007 | 4092 |
|
4093 |
if (recursive && errno == EEXIST) { |
|
4094 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
|
4095 |
"a child dataset already has a snapshot " |
|
4096 |
"with the new name")); |
|
4801
5cd7916484a5
4687827 dumpadm should be more tolerant of a read-only /etc/dumpadm.conf
eschrock
parents:
4787
diff
changeset
|
4097 |
(void) zfs_error(hdl, EZFS_EXISTS, errbuf); |
4007 | 4098 |
} else { |
4099 |
(void) zfs_standard_error(zhp->zfs_hdl, errno, errbuf); |
|
4100 |
} |
|
789 | 4101 |
|
4102 |
/* |
|
4103 |
* On failure, we still want to remount any filesystems that |
|
4104 |
* were previously mounted, so we don't alter the system state. |
|
4105 |
*/ |
|
4007 | 4106 |
if (recursive) { |
4107 |
struct createdata cd; |
|
4108 |
||
4109 |
/* only create links for datasets that had existed */ |
|
4110 |
cd.cd_snapname = delim + 1; |
|
4111 |
cd.cd_ifexists = B_TRUE; |
|
4112 |
(void) zfs_iter_filesystems(zhrp, zfs_create_link_cb, |
|
4113 |
&cd); |
|
4114 |
} else { |
|
4115 |
(void) changelist_postfix(cl); |
|
4116 |
} |
|
789 | 4117 |
} else { |
4007 | 4118 |
if (recursive) { |
4119 |
struct createdata cd; |
|
4120 |
||
4121 |
/* only create links for datasets that had existed */ |
|
4122 |
cd.cd_snapname = strchr(target, '@') + 1; |
|
4123 |
cd.cd_ifexists = B_TRUE; |
|
4124 |
ret = zfs_iter_filesystems(zhrp, zfs_create_link_cb, |
|
4125 |
&cd); |
|
4126 |
} else { |
|
4127 |
changelist_rename(cl, zfs_get_name(zhp), target); |
|
4128 |
ret = changelist_postfix(cl); |
|
4129 |
} |
|
789 | 4130 |
} |
4131 |
||
4132 |
error: |
|
4007 | 4133 |
if (parentname) { |
4134 |
free(parentname); |
|
4135 |
} |
|
4136 |
if (zhrp) { |
|
4137 |
zfs_close(zhrp); |
|
4138 |
} |
|
4139 |
if (cl) { |
|
4140 |
changelist_free(cl); |
|
4141 |
} |
|
789 | 4142 |
return (ret); |
4143 |
} |
|
4144 |
||
4145 |
/* |
|
4146 |
* Given a zvol dataset, issue the ioctl to create the appropriate minor node, |
|
4147 |
* poke devfsadm to create the /dev link, and then wait for the link to appear. |
|
4148 |
*/ |
|
4149 |
int |
|
2082 | 4150 |
zvol_create_link(libzfs_handle_t *hdl, const char *dataset) |
789 | 4151 |
{ |
4007 | 4152 |
return (zvol_create_link_common(hdl, dataset, B_FALSE)); |
4153 |
} |
|
4154 |
||
4155 |
static int |
|
4156 |
zvol_create_link_common(libzfs_handle_t *hdl, const char *dataset, int ifexists) |
|
4157 |
{ |
|
789 | 4158 |
zfs_cmd_t zc = { 0 }; |
2082 | 4159 |
di_devlink_handle_t dhdl; |
4543 | 4160 |
priv_set_t *priv_effective; |
4161 |
int privileged; |
|
789 | 4162 |
|
4163 |
(void) strlcpy(zc.zc_name, dataset, sizeof (zc.zc_name)); |
|
4164 |
||
4165 |
/* |
|
4166 |
* Issue the appropriate ioctl. |
|
4167 |
*/ |
|
2082 | 4168 |
if (ioctl(hdl->libzfs_fd, ZFS_IOC_CREATE_MINOR, &zc) != 0) { |
789 | 4169 |
switch (errno) { |
4170 |
case EEXIST: |
|
4171 |
/* |
|
4172 |
* Silently ignore the case where the link already |
|
4173 |
* exists. This allows 'zfs volinit' to be run multiple |
|
4174 |
* times without errors. |
|
4175 |
*/ |
|
4176 |
return (0); |
|
4177 |
||
4007 | 4178 |
case ENOENT: |
4179 |
/* |
|
4180 |
* Dataset does not exist in the kernel. If we |
|
4181 |
* don't care (see zfs_rename), then ignore the |
|
4182 |
* error quietly. |
|
4183 |
*/ |
|
4184 |
if (ifexists) { |
|
4185 |
return (0); |
|
4186 |
} |
|
4187 |
||
4188 |
/* FALLTHROUGH */ |
|
4189 |
||
789 | 4190 |
default: |
3237
98d0c28f2f5e
6480245 renaming a dataset to something with '%s' will cause segfault
lling
parents:
3234
diff
changeset
|
4191 |
return (zfs_standard_error_fmt(hdl, errno, |
2082 | 4192 |
dgettext(TEXT_DOMAIN, "cannot create device links " |
4193 |
"for '%s'"), dataset)); |
|
789 | 4194 |
} |
4195 |
} |
|
4196 |
||
4197 |
/* |
|
4543 | 4198 |
* If privileged call devfsadm and wait for the links to |
4199 |
* magically appear. |
|
4200 |
* Otherwise, print out an informational message. |
|
789 | 4201 |
*/ |
4543 | 4202 |
|
4203 |
priv_effective = priv_allocset(); |
|
4204 |
(void) getppriv(PRIV_EFFECTIVE, priv_effective); |
|
4205 |
privileged = (priv_isfullset(priv_effective) == B_TRUE); |
|
4206 |
priv_freeset(priv_effective); |
|
4207 |
||
4208 |
if (privileged) { |
|
4209 |
if ((dhdl = di_devlink_init(ZFS_DRIVER, |
|
4210 |
DI_MAKE_LINK)) == NULL) { |
|
4211 |
zfs_error_aux(hdl, strerror(errno)); |
|
7301
fc54ebb42916
6667976 support booting up a snapshot root dataset (fix lint)
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7300
diff
changeset
|
4212 |
(void) zfs_error_fmt(hdl, errno, |
4543 | 4213 |
dgettext(TEXT_DOMAIN, "cannot create device links " |
4214 |
"for '%s'"), dataset); |
|
4215 |
(void) ioctl(hdl->libzfs_fd, ZFS_IOC_REMOVE_MINOR, &zc); |
|
4216 |
return (-1); |
|
4217 |
} else { |
|
4218 |
(void) di_devlink_fini(&dhdl); |
|
4219 |
} |
|
789 | 4220 |
} else { |
4543 | 4221 |
char pathname[MAXPATHLEN]; |
4222 |
struct stat64 statbuf; |
|
4223 |
int i; |
|
4224 |
||
4225 |
#define MAX_WAIT 10 |
|
4226 |
||
4227 |
/* |
|
4228 |
* This is the poor mans way of waiting for the link |
|
4229 |
* to show up. If after 10 seconds we still don't |
|
4230 |
* have it, then print out a message. |
|
4231 |
*/ |
|
4232 |
(void) snprintf(pathname, sizeof (pathname), "/dev/zvol/dsk/%s", |
|
4233 |
dataset); |
|
4234 |
||
4235 |
for (i = 0; i != MAX_WAIT; i++) { |
|
4236 |
if (stat64(pathname, &statbuf) == 0) |
|
4237 |
break; |
|
4238 |
(void) sleep(1); |
|
4239 |
} |
|
4240 |
if (i == MAX_WAIT) |
|
4241 |
(void) printf(gettext("%s may not be immediately " |
|
4242 |
"available\n"), pathname); |
|
789 | 4243 |
} |
4244 |
||
4245 |
return (0); |
|
4246 |
} |
|
4247 |
||
4248 |
/* |
|
4249 |
* Remove a minor node for the given zvol and the associated /dev links. |
|
4250 |
*/ |
|
4251 |
int |
|
2082 | 4252 |
zvol_remove_link(libzfs_handle_t *hdl, const char *dataset) |
789 | 4253 |
{ |
4254 |
zfs_cmd_t zc = { 0 }; |
|
4255 |
||
4256 |
(void) strlcpy(zc.zc_name, dataset, sizeof (zc.zc_name)); |
|
4257 |
||
2082 | 4258 |
if (ioctl(hdl->libzfs_fd, ZFS_IOC_REMOVE_MINOR, &zc) != 0) { |
789 | 4259 |
switch (errno) { |
4260 |
case ENXIO: |
|
4261 |
/* |
|
4262 |
* Silently ignore the case where the link no longer |
|
4263 |
* exists, so that 'zfs volfini' can be run multiple |
|
4264 |
* times without errors. |
|
4265 |
*/ |
|
4266 |
return (0); |
|
4267 |
||
4268 |
default: |
|
3237
98d0c28f2f5e
6480245 renaming a dataset to something with '%s' will cause segfault
lling
parents:
3234
diff
changeset
|
4269 |
return (zfs_standard_error_fmt(hdl, errno, |
2082 | 4270 |
dgettext(TEXT_DOMAIN, "cannot remove device " |
4271 |
"links for '%s'"), dataset)); |
|
789 | 4272 |
} |
4273 |
} |
|
4274 |
||
4275 |
return (0); |
|
4276 |
} |
|
2676 | 4277 |
|
4278 |
nvlist_t * |
|
4279 |
zfs_get_user_props(zfs_handle_t *zhp) |
|
4280 |
{ |
|
4281 |
return (zhp->zfs_user_props); |
|
4282 |
} |
|
4283 |
||
4284 |
/* |
|
3912 | 4285 |
* This function is used by 'zfs list' to determine the exact set of columns to |
4286 |
* display, and their maximum widths. This does two main things: |
|
4287 |
* |
|
4288 |
* - If this is a list of all properties, then expand the list to include |
|
4289 |
* all native properties, and set a flag so that for each dataset we look |
|
4290 |
* for new unique user properties and add them to the list. |
|
4291 |
* |
|
4292 |
* - For non fixed-width properties, keep track of the maximum width seen |
|
4293 |
* so that we can size the column appropriately. |
|
4294 |
*/ |
|
4295 |
int |
|
5094 | 4296 |
zfs_expand_proplist(zfs_handle_t *zhp, zprop_list_t **plp) |
3912 | 4297 |
{ |
4298 |
libzfs_handle_t *hdl = zhp->zfs_hdl; |
|
5094 | 4299 |
zprop_list_t *entry; |
4300 |
zprop_list_t **last, **start; |
|
3912 | 4301 |
nvlist_t *userprops, *propval; |
4302 |
nvpair_t *elem; |
|
4303 |
char *strval; |
|
4304 |
char buf[ZFS_MAXPROPLEN]; |
|
4305 |
||
5094 | 4306 |
if (zprop_expand_list(hdl, plp, ZFS_TYPE_DATASET) != 0) |
3912 | 4307 |
return (-1); |
2676 | 4308 |
|
4309 |
userprops = zfs_get_user_props(zhp); |
|
4310 |
||
4311 |
entry = *plp; |
|
4312 |
if (entry->pl_all && nvlist_next_nvpair(userprops, NULL) != NULL) { |
|
4313 |
/* |
|
4314 |
* Go through and add any user properties as necessary. We |
|
4315 |
* start by incrementing our list pointer to the first |
|
4316 |
* non-native property. |
|
4317 |
*/ |
|
4318 |
start = plp; |
|
4319 |
while (*start != NULL) { |
|
5094 | 4320 |
if ((*start)->pl_prop == ZPROP_INVAL) |
2676 | 4321 |
break; |
4322 |
start = &(*start)->pl_next; |
|
4323 |
} |
|
4324 |
||
4325 |
elem = NULL; |
|
4326 |
while ((elem = nvlist_next_nvpair(userprops, elem)) != NULL) { |
|
4327 |
/* |
|
4328 |
* See if we've already found this property in our list. |
|
4329 |
*/ |
|
4330 |
for (last = start; *last != NULL; |
|
4331 |
last = &(*last)->pl_next) { |
|
4332 |
if (strcmp((*last)->pl_user_prop, |
|
4333 |
nvpair_name(elem)) == 0) |
|
4334 |
break; |
|
4335 |
} |
|
4336 |
||
4337 |
if (*last == NULL) { |
|
4338 |
if ((entry = zfs_alloc(hdl, |
|
5094 | 4339 |
sizeof (zprop_list_t))) == NULL || |
2676 | 4340 |
((entry->pl_user_prop = zfs_strdup(hdl, |
4341 |
nvpair_name(elem)))) == NULL) { |
|
4342 |
free(entry); |
|
4343 |
return (-1); |
|
4344 |
} |
|
4345 |
||
5094 | 4346 |
entry->pl_prop = ZPROP_INVAL; |
2676 | 4347 |
entry->pl_width = strlen(nvpair_name(elem)); |
4348 |
entry->pl_all = B_TRUE; |
|
4349 |
*last = entry; |
|
4350 |
} |
|
4351 |
} |
|
4352 |
} |
|
4353 |
||
4354 |
/* |
|
4355 |
* Now go through and check the width of any non-fixed columns |
|
4356 |
*/ |
|
4357 |
for (entry = *plp; entry != NULL; entry = entry->pl_next) { |
|
4358 |
if (entry->pl_fixed) |
|
4359 |
continue; |
|
4360 |
||
5094 | 4361 |
if (entry->pl_prop != ZPROP_INVAL) { |
2676 | 4362 |
if (zfs_prop_get(zhp, entry->pl_prop, |
4363 |
buf, sizeof (buf), NULL, NULL, 0, B_FALSE) == 0) { |
|
4364 |
if (strlen(buf) > entry->pl_width) |
|
4365 |
entry->pl_width = strlen(buf); |
|
4366 |
} |
|
4367 |
} else if (nvlist_lookup_nvlist(userprops, |
|
4368 |
entry->pl_user_prop, &propval) == 0) { |
|
4369 |
verify(nvlist_lookup_string(propval, |
|
5094 | 4370 |
ZPROP_VALUE, &strval) == 0); |
2676 | 4371 |
if (strlen(strval) > entry->pl_width) |
4372 |
entry->pl_width = strlen(strval); |
|
4373 |
} |
|
4374 |
} |
|
4375 |
||
4376 |
return (0); |
|
4377 |
} |
|
4543 | 4378 |
|
4379 |
int |
|
4380 |
zfs_iscsi_perm_check(libzfs_handle_t *hdl, char *dataset, ucred_t *cred) |
|
4381 |
{ |
|
4382 |
zfs_cmd_t zc = { 0 }; |
|
4383 |
nvlist_t *nvp; |
|
4384 |
gid_t gid; |
|
4385 |
uid_t uid; |
|
4386 |
const gid_t *groups; |
|
4387 |
int group_cnt; |
|
4388 |
int error; |
|
4389 |
||
4390 |
if (nvlist_alloc(&nvp, NV_UNIQUE_NAME, 0) != 0) |
|
4391 |
return (no_memory(hdl)); |
|
4392 |
||
4393 |
uid = ucred_geteuid(cred); |
|
4394 |
gid = ucred_getegid(cred); |
|
4395 |
group_cnt = ucred_getgroups(cred, &groups); |
|
4396 |
||
4397 |
if (uid == (uid_t)-1 || gid == (uid_t)-1 || group_cnt == (uid_t)-1) |
|
4398 |
return (1); |
|
4399 |
||
4400 |
if (nvlist_add_uint32(nvp, ZFS_DELEG_PERM_UID, uid) != 0) { |
|
4401 |
nvlist_free(nvp); |
|
4402 |
return (1); |
|
4403 |
} |
|
4404 |
||
4405 |
if (nvlist_add_uint32(nvp, ZFS_DELEG_PERM_GID, gid) != 0) { |
|
4406 |
nvlist_free(nvp); |
|
4407 |
return (1); |
|
4408 |
} |
|
4409 |
||
4410 |
if (nvlist_add_uint32_array(nvp, |
|
4411 |
ZFS_DELEG_PERM_GROUPS, (uint32_t *)groups, group_cnt) != 0) { |
|
4412 |
nvlist_free(nvp); |
|
4413 |
return (1); |
|
4414 |
} |
|
4415 |
(void) strlcpy(zc.zc_name, dataset, sizeof (zc.zc_name)); |
|
4416 |
||
5094 | 4417 |
if (zcmd_write_src_nvlist(hdl, &zc, nvp)) |
4543 | 4418 |
return (-1); |
4419 |
||
4420 |
error = ioctl(hdl->libzfs_fd, ZFS_IOC_ISCSI_PERM_CHECK, &zc); |
|
4421 |
nvlist_free(nvp); |
|
4422 |
return (error); |
|
4423 |
} |
|
4424 |
||
4425 |
int |
|
4426 |
zfs_deleg_share_nfs(libzfs_handle_t *hdl, char *dataset, char *path, |
|
5331 | 4427 |
void *export, void *sharetab, int sharemax, zfs_share_op_t operation) |
4543 | 4428 |
{ |
4429 |
zfs_cmd_t zc = { 0 }; |
|
4430 |
int error; |
|
4431 |
||
4432 |
(void) strlcpy(zc.zc_name, dataset, sizeof (zc.zc_name)); |
|
4433 |
(void) strlcpy(zc.zc_value, path, sizeof (zc.zc_value)); |
|
4434 |
zc.zc_share.z_sharedata = (uint64_t)(uintptr_t)sharetab; |
|
4435 |
zc.zc_share.z_exportdata = (uint64_t)(uintptr_t)export; |
|
5331 | 4436 |
zc.zc_share.z_sharetype = operation; |
4543 | 4437 |
zc.zc_share.z_sharemax = sharemax; |
4438 |
||
4439 |
error = ioctl(hdl->libzfs_fd, ZFS_IOC_SHARE, &zc); |
|
4440 |
return (error); |
|
4441 |
} |