author | timh |
Thu, 24 Jul 2008 15:04:31 -0700 | |
changeset 7184 | 9508660f9c27 |
parent 6168 | 51c045dcc498 |
child 7366 | 33de5956afbb |
permissions | -rw-r--r-- |
789 | 1 |
/* |
2 |
* CDDL HEADER START |
|
3 |
* |
|
4 |
* The contents of this file are subject to the terms of the |
|
1544 | 5 |
* Common Development and Distribution License (the "License"). |
6 |
* You may not use this file except in compliance with the License. |
|
789 | 7 |
* |
8 |
* 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 |
|
14 |
* 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] |
|
18 |
* |
|
19 |
* CDDL HEADER END |
|
20 |
*/ |
|
3126 | 21 |
|
789 | 22 |
/* |
5951
c597da46efd6
6558321 zfs_share_nfs() fails the second time through
dougm
parents:
5367
diff
changeset
|
23 |
* Copyright 2008 Sun Microsystems, Inc. All rights reserved. |
789 | 24 |
* Use is subject to license terms. |
25 |
*/ |
|
26 |
||
27 |
#pragma ident "%Z%%M% %I% %E% SMI" |
|
28 |
||
29 |
/* |
|
30 |
* Routines to manage ZFS mounts. We separate all the nasty routines that have |
|
3126 | 31 |
* to deal with the OS. The following functions are the main entry points -- |
32 |
* they are used by mount and unmount and when changing a filesystem's |
|
33 |
* mountpoint. |
|
789 | 34 |
* |
35 |
* zfs_is_mounted() |
|
36 |
* zfs_mount() |
|
37 |
* zfs_unmount() |
|
38 |
* zfs_unmountall() |
|
39 |
* |
|
3126 | 40 |
* This file also contains the functions used to manage sharing filesystems via |
41 |
* NFS and iSCSI: |
|
789 | 42 |
* |
43 |
* zfs_is_shared() |
|
44 |
* zfs_share() |
|
45 |
* zfs_unshare() |
|
3126 | 46 |
* |
47 |
* zfs_is_shared_nfs() |
|
5331 | 48 |
* zfs_is_shared_smb() |
49 |
* zfs_is_shared_iscsi() |
|
50 |
* zfs_share_proto() |
|
51 |
* zfs_shareall(); |
|
52 |
* zfs_share_iscsi() |
|
3126 | 53 |
* zfs_unshare_nfs() |
5331 | 54 |
* zfs_unshare_smb() |
3126 | 55 |
* zfs_unshareall_nfs() |
5331 | 56 |
* zfs_unshareall_smb() |
57 |
* zfs_unshareall() |
|
58 |
* zfs_unshareall_bypath() |
|
3126 | 59 |
* zfs_unshare_iscsi() |
2474
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
60 |
* |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
61 |
* The following functions are available for pool consumers, and will |
3126 | 62 |
* mount/unmount and share/unshare all datasets within pool: |
2474
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
63 |
* |
3126 | 64 |
* zpool_enable_datasets() |
65 |
* zpool_disable_datasets() |
|
789 | 66 |
*/ |
67 |
||
68 |
#include <dirent.h> |
|
3134
59cd24b2b5d6
6494840 libzfs should dlopen libiscsitgt rather than linking to it
ahl
parents:
3126
diff
changeset
|
69 |
#include <dlfcn.h> |
789 | 70 |
#include <errno.h> |
71 |
#include <libgen.h> |
|
72 |
#include <libintl.h> |
|
73 |
#include <stdio.h> |
|
74 |
#include <stdlib.h> |
|
75 |
#include <strings.h> |
|
76 |
#include <unistd.h> |
|
77 |
#include <zone.h> |
|
78 |
#include <sys/mntent.h> |
|
79 |
#include <sys/mnttab.h> |
|
80 |
#include <sys/mount.h> |
|
81 |
#include <sys/stat.h> |
|
82 |
||
83 |
#include <libzfs.h> |
|
84 |
||
85 |
#include "libzfs_impl.h" |
|
86 |
||
4180
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
87 |
#include <libshare.h> |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
88 |
#include <sys/systeminfo.h> |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
89 |
#define MAXISALEN 257 /* based on sysinfo(2) man page */ |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
90 |
|
5331 | 91 |
static int zfs_share_proto(zfs_handle_t *, zfs_share_proto_t *); |
92 |
zfs_share_type_t zfs_is_shared_proto(zfs_handle_t *, char **, |
|
93 |
zfs_share_proto_t); |
|
94 |
||
3134
59cd24b2b5d6
6494840 libzfs should dlopen libiscsitgt rather than linking to it
ahl
parents:
3126
diff
changeset
|
95 |
static int (*iscsitgt_zfs_share)(const char *); |
59cd24b2b5d6
6494840 libzfs should dlopen libiscsitgt rather than linking to it
ahl
parents:
3126
diff
changeset
|
96 |
static int (*iscsitgt_zfs_unshare)(const char *); |
59cd24b2b5d6
6494840 libzfs should dlopen libiscsitgt rather than linking to it
ahl
parents:
3126
diff
changeset
|
97 |
static int (*iscsitgt_zfs_is_shared)(const char *); |
4543 | 98 |
static int (*iscsitgt_svc_online)(); |
3134
59cd24b2b5d6
6494840 libzfs should dlopen libiscsitgt rather than linking to it
ahl
parents:
3126
diff
changeset
|
99 |
|
5331 | 100 |
/* |
101 |
* The share protocols table must be in the same order as the zfs_share_prot_t |
|
102 |
* enum in libzfs_impl.h |
|
103 |
*/ |
|
104 |
typedef struct { |
|
105 |
zfs_prop_t p_prop; |
|
106 |
char *p_name; |
|
107 |
int p_share_err; |
|
108 |
int p_unshare_err; |
|
109 |
} proto_table_t; |
|
110 |
||
111 |
proto_table_t proto_table[PROTO_END] = { |
|
112 |
{ZFS_PROP_SHARENFS, "nfs", EZFS_SHARENFSFAILED, EZFS_UNSHARENFSFAILED}, |
|
113 |
{ZFS_PROP_SHARESMB, "smb", EZFS_SHARESMBFAILED, EZFS_UNSHARESMBFAILED}, |
|
114 |
}; |
|
115 |
||
116 |
zfs_share_proto_t nfs_only[] = { |
|
117 |
PROTO_NFS, |
|
118 |
PROTO_END |
|
119 |
}; |
|
120 |
||
121 |
zfs_share_proto_t smb_only[] = { |
|
122 |
PROTO_SMB, |
|
123 |
PROTO_END |
|
124 |
}; |
|
125 |
zfs_share_proto_t share_all_proto[] = { |
|
126 |
PROTO_NFS, |
|
127 |
PROTO_SMB, |
|
128 |
PROTO_END |
|
129 |
}; |
|
130 |
||
3134
59cd24b2b5d6
6494840 libzfs should dlopen libiscsitgt rather than linking to it
ahl
parents:
3126
diff
changeset
|
131 |
#pragma init(zfs_iscsi_init) |
59cd24b2b5d6
6494840 libzfs should dlopen libiscsitgt rather than linking to it
ahl
parents:
3126
diff
changeset
|
132 |
static void |
59cd24b2b5d6
6494840 libzfs should dlopen libiscsitgt rather than linking to it
ahl
parents:
3126
diff
changeset
|
133 |
zfs_iscsi_init(void) |
59cd24b2b5d6
6494840 libzfs should dlopen libiscsitgt rather than linking to it
ahl
parents:
3126
diff
changeset
|
134 |
{ |
59cd24b2b5d6
6494840 libzfs should dlopen libiscsitgt rather than linking to it
ahl
parents:
3126
diff
changeset
|
135 |
void *libiscsitgt; |
59cd24b2b5d6
6494840 libzfs should dlopen libiscsitgt rather than linking to it
ahl
parents:
3126
diff
changeset
|
136 |
|
59cd24b2b5d6
6494840 libzfs should dlopen libiscsitgt rather than linking to it
ahl
parents:
3126
diff
changeset
|
137 |
if ((libiscsitgt = dlopen("/lib/libiscsitgt.so.1", |
59cd24b2b5d6
6494840 libzfs should dlopen libiscsitgt rather than linking to it
ahl
parents:
3126
diff
changeset
|
138 |
RTLD_LAZY | RTLD_GLOBAL)) == NULL || |
59cd24b2b5d6
6494840 libzfs should dlopen libiscsitgt rather than linking to it
ahl
parents:
3126
diff
changeset
|
139 |
(iscsitgt_zfs_share = (int (*)(const char *))dlsym(libiscsitgt, |
59cd24b2b5d6
6494840 libzfs should dlopen libiscsitgt rather than linking to it
ahl
parents:
3126
diff
changeset
|
140 |
"iscsitgt_zfs_share")) == NULL || |
59cd24b2b5d6
6494840 libzfs should dlopen libiscsitgt rather than linking to it
ahl
parents:
3126
diff
changeset
|
141 |
(iscsitgt_zfs_unshare = (int (*)(const char *))dlsym(libiscsitgt, |
59cd24b2b5d6
6494840 libzfs should dlopen libiscsitgt rather than linking to it
ahl
parents:
3126
diff
changeset
|
142 |
"iscsitgt_zfs_unshare")) == NULL || |
59cd24b2b5d6
6494840 libzfs should dlopen libiscsitgt rather than linking to it
ahl
parents:
3126
diff
changeset
|
143 |
(iscsitgt_zfs_is_shared = (int (*)(const char *))dlsym(libiscsitgt, |
4543 | 144 |
"iscsitgt_zfs_is_shared")) == NULL || |
145 |
(iscsitgt_svc_online = (int (*)(const char *))dlsym(libiscsitgt, |
|
146 |
"iscsitgt_svc_online")) == NULL) { |
|
3134
59cd24b2b5d6
6494840 libzfs should dlopen libiscsitgt rather than linking to it
ahl
parents:
3126
diff
changeset
|
147 |
iscsitgt_zfs_share = NULL; |
59cd24b2b5d6
6494840 libzfs should dlopen libiscsitgt rather than linking to it
ahl
parents:
3126
diff
changeset
|
148 |
iscsitgt_zfs_unshare = NULL; |
59cd24b2b5d6
6494840 libzfs should dlopen libiscsitgt rather than linking to it
ahl
parents:
3126
diff
changeset
|
149 |
iscsitgt_zfs_is_shared = NULL; |
4543 | 150 |
iscsitgt_svc_online = NULL; |
3134
59cd24b2b5d6
6494840 libzfs should dlopen libiscsitgt rather than linking to it
ahl
parents:
3126
diff
changeset
|
151 |
} |
59cd24b2b5d6
6494840 libzfs should dlopen libiscsitgt rather than linking to it
ahl
parents:
3126
diff
changeset
|
152 |
} |
59cd24b2b5d6
6494840 libzfs should dlopen libiscsitgt rather than linking to it
ahl
parents:
3126
diff
changeset
|
153 |
|
789 | 154 |
/* |
5331 | 155 |
* Search the sharetab for the given mountpoint and protocol, returning |
156 |
* a zfs_share_type_t value. |
|
789 | 157 |
*/ |
5331 | 158 |
static zfs_share_type_t |
159 |
is_shared(libzfs_handle_t *hdl, const char *mountpoint, zfs_share_proto_t proto) |
|
789 | 160 |
{ |
161 |
char buf[MAXPATHLEN], *tab; |
|
5331 | 162 |
char *ptr; |
789 | 163 |
|
2082 | 164 |
if (hdl->libzfs_sharetab == NULL) |
5331 | 165 |
return (SHARED_NOT_SHARED); |
789 | 166 |
|
2082 | 167 |
(void) fseek(hdl->libzfs_sharetab, 0, SEEK_SET); |
789 | 168 |
|
2082 | 169 |
while (fgets(buf, sizeof (buf), hdl->libzfs_sharetab) != NULL) { |
789 | 170 |
|
171 |
/* the mountpoint is the first entry on each line */ |
|
5331 | 172 |
if ((tab = strchr(buf, '\t')) == NULL) |
173 |
continue; |
|
174 |
||
175 |
*tab = '\0'; |
|
176 |
if (strcmp(buf, mountpoint) == 0) { |
|
177 |
/* |
|
178 |
* the protocol field is the third field |
|
179 |
* skip over second field |
|
180 |
*/ |
|
181 |
ptr = ++tab; |
|
182 |
if ((tab = strchr(ptr, '\t')) == NULL) |
|
183 |
continue; |
|
184 |
ptr = ++tab; |
|
185 |
if ((tab = strchr(ptr, '\t')) == NULL) |
|
186 |
continue; |
|
789 | 187 |
*tab = '\0'; |
5331 | 188 |
if (strcmp(ptr, |
189 |
proto_table[proto].p_name) == 0) { |
|
190 |
switch (proto) { |
|
191 |
case PROTO_NFS: |
|
192 |
return (SHARED_NFS); |
|
193 |
case PROTO_SMB: |
|
194 |
return (SHARED_SMB); |
|
195 |
default: |
|
196 |
return (0); |
|
197 |
} |
|
198 |
} |
|
789 | 199 |
} |
200 |
} |
|
201 |
||
5331 | 202 |
return (SHARED_NOT_SHARED); |
789 | 203 |
} |
204 |
||
205 |
/* |
|
2082 | 206 |
* Returns true if the specified directory is empty. If we can't open the |
207 |
* directory at all, return true so that the mount can fail with a more |
|
789 | 208 |
* informative error message. |
209 |
*/ |
|
2082 | 210 |
static boolean_t |
789 | 211 |
dir_is_empty(const char *dirname) |
212 |
{ |
|
213 |
DIR *dirp; |
|
214 |
struct dirent64 *dp; |
|
215 |
||
216 |
if ((dirp = opendir(dirname)) == NULL) |
|
2082 | 217 |
return (B_TRUE); |
789 | 218 |
|
219 |
while ((dp = readdir64(dirp)) != NULL) { |
|
220 |
||
221 |
if (strcmp(dp->d_name, ".") == 0 || |
|
222 |
strcmp(dp->d_name, "..") == 0) |
|
223 |
continue; |
|
224 |
||
225 |
(void) closedir(dirp); |
|
2082 | 226 |
return (B_FALSE); |
789 | 227 |
} |
228 |
||
229 |
(void) closedir(dirp); |
|
2082 | 230 |
return (B_TRUE); |
789 | 231 |
} |
232 |
||
233 |
/* |
|
234 |
* Checks to see if the mount is active. If the filesystem is mounted, we fill |
|
235 |
* in 'where' with the current mountpoint, and return 1. Otherwise, we return |
|
236 |
* 0. |
|
237 |
*/ |
|
2082 | 238 |
boolean_t |
3444
dc160a70a50d
6410433 'zpool status -v' would be more useful with filenames
ek110237
parents:
3380
diff
changeset
|
239 |
is_mounted(libzfs_handle_t *zfs_hdl, const char *special, char **where) |
789 | 240 |
{ |
241 |
struct mnttab search = { 0 }, entry; |
|
242 |
||
243 |
/* |
|
244 |
* Search for the entry in /etc/mnttab. We don't bother getting the |
|
245 |
* mountpoint, as we can just search for the special device. This will |
|
246 |
* also let us find mounts when the mountpoint is 'legacy'. |
|
247 |
*/ |
|
3444
dc160a70a50d
6410433 'zpool status -v' would be more useful with filenames
ek110237
parents:
3380
diff
changeset
|
248 |
search.mnt_special = (char *)special; |
1407
f178d5f7681f
6381720 zfs_unmount() not checking fstype in /etc/mnttab
nd150628
parents:
1371
diff
changeset
|
249 |
search.mnt_fstype = MNTTYPE_ZFS; |
789 | 250 |
|
3444
dc160a70a50d
6410433 'zpool status -v' would be more useful with filenames
ek110237
parents:
3380
diff
changeset
|
251 |
rewind(zfs_hdl->libzfs_mnttab); |
dc160a70a50d
6410433 'zpool status -v' would be more useful with filenames
ek110237
parents:
3380
diff
changeset
|
252 |
if (getmntany(zfs_hdl->libzfs_mnttab, &entry, &search) != 0) |
2082 | 253 |
return (B_FALSE); |
789 | 254 |
|
255 |
if (where != NULL) |
|
3444
dc160a70a50d
6410433 'zpool status -v' would be more useful with filenames
ek110237
parents:
3380
diff
changeset
|
256 |
*where = zfs_strdup(zfs_hdl, entry.mnt_mountp); |
789 | 257 |
|
2082 | 258 |
return (B_TRUE); |
789 | 259 |
} |
260 |
||
3444
dc160a70a50d
6410433 'zpool status -v' would be more useful with filenames
ek110237
parents:
3380
diff
changeset
|
261 |
boolean_t |
dc160a70a50d
6410433 'zpool status -v' would be more useful with filenames
ek110237
parents:
3380
diff
changeset
|
262 |
zfs_is_mounted(zfs_handle_t *zhp, char **where) |
dc160a70a50d
6410433 'zpool status -v' would be more useful with filenames
ek110237
parents:
3380
diff
changeset
|
263 |
{ |
dc160a70a50d
6410433 'zpool status -v' would be more useful with filenames
ek110237
parents:
3380
diff
changeset
|
264 |
return (is_mounted(zhp->zfs_hdl, zfs_get_name(zhp), where)); |
dc160a70a50d
6410433 'zpool status -v' would be more useful with filenames
ek110237
parents:
3380
diff
changeset
|
265 |
} |
dc160a70a50d
6410433 'zpool status -v' would be more useful with filenames
ek110237
parents:
3380
diff
changeset
|
266 |
|
789 | 267 |
/* |
2676 | 268 |
* Returns true if the given dataset is mountable, false otherwise. Returns the |
269 |
* mountpoint in 'buf'. |
|
270 |
*/ |
|
271 |
static boolean_t |
|
272 |
zfs_is_mountable(zfs_handle_t *zhp, char *buf, size_t buflen, |
|
5094 | 273 |
zprop_source_t *source) |
2676 | 274 |
{ |
275 |
char sourceloc[ZFS_MAXNAMELEN]; |
|
5094 | 276 |
zprop_source_t sourcetype; |
2676 | 277 |
|
278 |
if (!zfs_prop_valid_for_type(ZFS_PROP_MOUNTPOINT, zhp->zfs_type)) |
|
279 |
return (B_FALSE); |
|
280 |
||
281 |
verify(zfs_prop_get(zhp, ZFS_PROP_MOUNTPOINT, buf, buflen, |
|
282 |
&sourcetype, sourceloc, sizeof (sourceloc), B_FALSE) == 0); |
|
283 |
||
284 |
if (strcmp(buf, ZFS_MOUNTPOINT_NONE) == 0 || |
|
285 |
strcmp(buf, ZFS_MOUNTPOINT_LEGACY) == 0) |
|
286 |
return (B_FALSE); |
|
287 |
||
6168
51c045dcc498
PSARC 2008/168 Support for ZFS property value canmount=noauto
hs24103
parents:
6027
diff
changeset
|
288 |
if (zfs_prop_get_int(zhp, ZFS_PROP_CANMOUNT) == ZFS_CANMOUNT_OFF) |
2676 | 289 |
return (B_FALSE); |
290 |
||
291 |
if (zfs_prop_get_int(zhp, ZFS_PROP_ZONED) && |
|
292 |
getzoneid() == GLOBAL_ZONEID) |
|
293 |
return (B_FALSE); |
|
294 |
||
295 |
if (source) |
|
296 |
*source = sourcetype; |
|
297 |
||
298 |
return (B_TRUE); |
|
299 |
} |
|
300 |
||
301 |
/* |
|
789 | 302 |
* Mount the given filesystem. |
303 |
*/ |
|
304 |
int |
|
305 |
zfs_mount(zfs_handle_t *zhp, const char *options, int flags) |
|
306 |
{ |
|
307 |
struct stat buf; |
|
308 |
char mountpoint[ZFS_MAXPROPLEN]; |
|
309 |
char mntopts[MNT_LINE_MAX]; |
|
2082 | 310 |
libzfs_handle_t *hdl = zhp->zfs_hdl; |
789 | 311 |
|
312 |
if (options == NULL) |
|
313 |
mntopts[0] = '\0'; |
|
314 |
else |
|
315 |
(void) strlcpy(mntopts, options, sizeof (mntopts)); |
|
316 |
||
2676 | 317 |
if (!zfs_is_mountable(zhp, mountpoint, sizeof (mountpoint), NULL)) |
2082 | 318 |
return (0); |
789 | 319 |
|
320 |
/* Create the directory if it doesn't already exist */ |
|
321 |
if (lstat(mountpoint, &buf) != 0) { |
|
322 |
if (mkdirp(mountpoint, 0755) != 0) { |
|
2082 | 323 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
324 |
"failed to create mountpoint")); |
|
3237
98d0c28f2f5e
6480245 renaming a dataset to something with '%s' will cause segfault
lling
parents:
3134
diff
changeset
|
325 |
return (zfs_error_fmt(hdl, EZFS_MOUNTFAILED, |
2082 | 326 |
dgettext(TEXT_DOMAIN, "cannot mount '%s'"), |
327 |
mountpoint)); |
|
789 | 328 |
} |
329 |
} |
|
330 |
||
331 |
/* |
|
332 |
* Determine if the mountpoint is empty. If so, refuse to perform the |
|
333 |
* mount. We don't perform this check if MS_OVERLAY is specified, which |
|
334 |
* would defeat the point. We also avoid this check if 'remount' is |
|
335 |
* specified. |
|
336 |
*/ |
|
337 |
if ((flags & MS_OVERLAY) == 0 && |
|
338 |
strstr(mntopts, MNTOPT_REMOUNT) == NULL && |
|
339 |
!dir_is_empty(mountpoint)) { |
|
2082 | 340 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
341 |
"directory is not empty")); |
|
3237
98d0c28f2f5e
6480245 renaming a dataset to something with '%s' will cause segfault
lling
parents:
3134
diff
changeset
|
342 |
return (zfs_error_fmt(hdl, EZFS_MOUNTFAILED, |
2082 | 343 |
dgettext(TEXT_DOMAIN, "cannot mount '%s'"), mountpoint)); |
789 | 344 |
} |
345 |
||
346 |
/* perform the mount */ |
|
347 |
if (mount(zfs_get_name(zhp), mountpoint, MS_OPTIONSTR | flags, |
|
348 |
MNTTYPE_ZFS, NULL, 0, mntopts, sizeof (mntopts)) != 0) { |
|
349 |
/* |
|
350 |
* Generic errors are nasty, but there are just way too many |
|
351 |
* from mount(), and they're well-understood. We pick a few |
|
352 |
* common ones to improve upon. |
|
353 |
*/ |
|
4302 | 354 |
if (errno == EBUSY) { |
2082 | 355 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
356 |
"mountpoint or dataset is busy")); |
|
4543 | 357 |
} else if (errno == EPERM) { |
358 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
|
359 |
"Insufficient privileges")); |
|
4302 | 360 |
} else { |
2082 | 361 |
zfs_error_aux(hdl, strerror(errno)); |
4302 | 362 |
} |
2082 | 363 |
|
3237
98d0c28f2f5e
6480245 renaming a dataset to something with '%s' will cause segfault
lling
parents:
3134
diff
changeset
|
364 |
return (zfs_error_fmt(hdl, EZFS_MOUNTFAILED, |
2082 | 365 |
dgettext(TEXT_DOMAIN, "cannot mount '%s'"), |
366 |
zhp->zfs_name)); |
|
789 | 367 |
} |
368 |
||
369 |
return (0); |
|
370 |
} |
|
371 |
||
372 |
/* |
|
2474
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
373 |
* Unmount a single filesystem. |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
374 |
*/ |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
375 |
static int |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
376 |
unmount_one(libzfs_handle_t *hdl, const char *mountpoint, int flags) |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
377 |
{ |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
378 |
if (umount2(mountpoint, flags) != 0) { |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
379 |
zfs_error_aux(hdl, strerror(errno)); |
3237
98d0c28f2f5e
6480245 renaming a dataset to something with '%s' will cause segfault
lling
parents:
3134
diff
changeset
|
380 |
return (zfs_error_fmt(hdl, EZFS_UMOUNTFAILED, |
2474
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
381 |
dgettext(TEXT_DOMAIN, "cannot unmount '%s'"), |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
382 |
mountpoint)); |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
383 |
} |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
384 |
|
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
385 |
return (0); |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
386 |
} |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
387 |
|
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
388 |
/* |
789 | 389 |
* Unmount the given filesystem. |
390 |
*/ |
|
391 |
int |
|
392 |
zfs_unmount(zfs_handle_t *zhp, const char *mountpoint, int flags) |
|
393 |
{ |
|
394 |
struct mnttab search = { 0 }, entry; |
|
4180
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
395 |
char *mntpt = NULL; |
789 | 396 |
|
397 |
/* check to see if need to unmount the filesystem */ |
|
2474
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
398 |
search.mnt_special = zhp->zfs_name; |
1407
f178d5f7681f
6381720 zfs_unmount() not checking fstype in /etc/mnttab
nd150628
parents:
1371
diff
changeset
|
399 |
search.mnt_fstype = MNTTYPE_ZFS; |
2082 | 400 |
rewind(zhp->zfs_hdl->libzfs_mnttab); |
789 | 401 |
if (mountpoint != NULL || ((zfs_get_type(zhp) == ZFS_TYPE_FILESYSTEM) && |
2082 | 402 |
getmntany(zhp->zfs_hdl->libzfs_mnttab, &entry, &search) == 0)) { |
789 | 403 |
|
4180
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
404 |
/* |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
405 |
* mountpoint may have come from a call to |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
406 |
* getmnt/getmntany if it isn't NULL. If it is NULL, |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
407 |
* we know it comes from getmntany which can then get |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
408 |
* overwritten later. We strdup it to play it safe. |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
409 |
*/ |
789 | 410 |
if (mountpoint == NULL) |
4302 | 411 |
mntpt = zfs_strdup(zhp->zfs_hdl, entry.mnt_mountp); |
4180
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
412 |
else |
4302 | 413 |
mntpt = zfs_strdup(zhp->zfs_hdl, mountpoint); |
789 | 414 |
|
415 |
/* |
|
2474
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
416 |
* Unshare and unmount the filesystem |
789 | 417 |
*/ |
5331 | 418 |
if (zfs_unshare_proto(zhp, mntpt, share_all_proto) != 0) |
4331
f784727d3d6a
6537472 If zfs unmount fails it leaves the file system unshared.
th199096
parents:
4327
diff
changeset
|
419 |
return (-1); |
f784727d3d6a
6537472 If zfs unmount fails it leaves the file system unshared.
th199096
parents:
4327
diff
changeset
|
420 |
|
f784727d3d6a
6537472 If zfs unmount fails it leaves the file system unshared.
th199096
parents:
4327
diff
changeset
|
421 |
if (unmount_one(zhp->zfs_hdl, mntpt, flags) != 0) { |
4180
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
422 |
free(mntpt); |
5331 | 423 |
(void) zfs_shareall(zhp); |
789 | 424 |
return (-1); |
4180
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
425 |
} |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
426 |
free(mntpt); |
789 | 427 |
} |
428 |
||
429 |
return (0); |
|
430 |
} |
|
431 |
||
432 |
/* |
|
433 |
* Unmount this filesystem and any children inheriting the mountpoint property. |
|
434 |
* To do this, just act like we're changing the mountpoint property, but don't |
|
435 |
* remount the filesystems afterwards. |
|
436 |
*/ |
|
437 |
int |
|
438 |
zfs_unmountall(zfs_handle_t *zhp, int flags) |
|
439 |
{ |
|
440 |
prop_changelist_t *clp; |
|
441 |
int ret; |
|
442 |
||
443 |
clp = changelist_gather(zhp, ZFS_PROP_MOUNTPOINT, flags); |
|
444 |
if (clp == NULL) |
|
445 |
return (-1); |
|
446 |
||
447 |
ret = changelist_prefix(clp); |
|
448 |
changelist_free(clp); |
|
449 |
||
450 |
return (ret); |
|
451 |
} |
|
452 |
||
3126 | 453 |
boolean_t |
454 |
zfs_is_shared(zfs_handle_t *zhp) |
|
455 |
{ |
|
5331 | 456 |
zfs_share_type_t rc = 0; |
457 |
zfs_share_proto_t *curr_proto; |
|
458 |
||
3126 | 459 |
if (ZFS_IS_VOLUME(zhp)) |
460 |
return (zfs_is_shared_iscsi(zhp)); |
|
461 |
||
5331 | 462 |
for (curr_proto = share_all_proto; *curr_proto != PROTO_END; |
463 |
curr_proto++) |
|
464 |
rc |= zfs_is_shared_proto(zhp, NULL, *curr_proto); |
|
465 |
||
466 |
return (rc ? B_TRUE : B_FALSE); |
|
3126 | 467 |
} |
468 |
||
469 |
int |
|
470 |
zfs_share(zfs_handle_t *zhp) |
|
471 |
{ |
|
472 |
if (ZFS_IS_VOLUME(zhp)) |
|
473 |
return (zfs_share_iscsi(zhp)); |
|
474 |
||
5331 | 475 |
return (zfs_share_proto(zhp, share_all_proto)); |
3126 | 476 |
} |
477 |
||
478 |
int |
|
479 |
zfs_unshare(zfs_handle_t *zhp) |
|
480 |
{ |
|
481 |
if (ZFS_IS_VOLUME(zhp)) |
|
482 |
return (zfs_unshare_iscsi(zhp)); |
|
483 |
||
5331 | 484 |
return (zfs_unshareall(zhp)); |
3126 | 485 |
} |
486 |
||
789 | 487 |
/* |
488 |
* Check to see if the filesystem is currently shared. |
|
489 |
*/ |
|
5331 | 490 |
zfs_share_type_t |
491 |
zfs_is_shared_proto(zfs_handle_t *zhp, char **where, zfs_share_proto_t proto) |
|
789 | 492 |
{ |
493 |
char *mountpoint; |
|
5331 | 494 |
zfs_share_type_t rc; |
789 | 495 |
|
496 |
if (!zfs_is_mounted(zhp, &mountpoint)) |
|
5331 | 497 |
return (SHARED_NOT_SHARED); |
789 | 498 |
|
5331 | 499 |
if (rc = is_shared(zhp->zfs_hdl, mountpoint, proto)) { |
789 | 500 |
if (where != NULL) |
501 |
*where = mountpoint; |
|
502 |
else |
|
503 |
free(mountpoint); |
|
5331 | 504 |
return (rc); |
789 | 505 |
} else { |
506 |
free(mountpoint); |
|
5331 | 507 |
return (SHARED_NOT_SHARED); |
789 | 508 |
} |
509 |
} |
|
510 |
||
5331 | 511 |
boolean_t |
512 |
zfs_is_shared_nfs(zfs_handle_t *zhp, char **where) |
|
513 |
{ |
|
514 |
return (zfs_is_shared_proto(zhp, where, |
|
515 |
PROTO_NFS) != SHARED_NOT_SHARED); |
|
516 |
} |
|
517 |
||
518 |
boolean_t |
|
519 |
zfs_is_shared_smb(zfs_handle_t *zhp, char **where) |
|
520 |
{ |
|
521 |
return (zfs_is_shared_proto(zhp, where, |
|
522 |
PROTO_SMB) != SHARED_NOT_SHARED); |
|
523 |
} |
|
524 |
||
789 | 525 |
/* |
4180
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
526 |
* Make sure things will work if libshare isn't installed by using |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
527 |
* wrapper functions that check to see that the pointers to functions |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
528 |
* initialized in _zfs_init_libshare() are actually present. |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
529 |
*/ |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
530 |
|
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
531 |
static sa_handle_t (*_sa_init)(int); |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
532 |
static void (*_sa_fini)(sa_handle_t); |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
533 |
static sa_share_t (*_sa_find_share)(sa_handle_t, char *); |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
534 |
static int (*_sa_enable_share)(sa_share_t, char *); |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
535 |
static int (*_sa_disable_share)(sa_share_t, char *); |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
536 |
static char *(*_sa_errorstr)(int); |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
537 |
static int (*_sa_parse_legacy_options)(sa_group_t, char *, char *); |
5951
c597da46efd6
6558321 zfs_share_nfs() fails the second time through
dougm
parents:
5367
diff
changeset
|
538 |
static boolean_t (*_sa_needs_refresh)(sa_handle_t *); |
c597da46efd6
6558321 zfs_share_nfs() fails the second time through
dougm
parents:
5367
diff
changeset
|
539 |
static libzfs_handle_t *(*_sa_get_zfs_handle)(sa_handle_t); |
c597da46efd6
6558321 zfs_share_nfs() fails the second time through
dougm
parents:
5367
diff
changeset
|
540 |
static int (*_sa_zfs_process_share)(sa_handle_t, sa_group_t, sa_share_t, |
c597da46efd6
6558321 zfs_share_nfs() fails the second time through
dougm
parents:
5367
diff
changeset
|
541 |
char *, char *, zprop_source_t, char *, char *, char *); |
c597da46efd6
6558321 zfs_share_nfs() fails the second time through
dougm
parents:
5367
diff
changeset
|
542 |
static void (*_sa_update_sharetab_ts)(sa_handle_t); |
4180
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
543 |
|
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
544 |
/* |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
545 |
* _zfs_init_libshare() |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
546 |
* |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
547 |
* Find the libshare.so.1 entry points that we use here and save the |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
548 |
* values to be used later. This is triggered by the runtime loader. |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
549 |
* Make sure the correct ISA version is loaded. |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
550 |
*/ |
5951
c597da46efd6
6558321 zfs_share_nfs() fails the second time through
dougm
parents:
5367
diff
changeset
|
551 |
|
4180
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
552 |
#pragma init(_zfs_init_libshare) |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
553 |
static void |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
554 |
_zfs_init_libshare(void) |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
555 |
{ |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
556 |
void *libshare; |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
557 |
char path[MAXPATHLEN]; |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
558 |
char isa[MAXISALEN]; |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
559 |
|
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
560 |
#if defined(_LP64) |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
561 |
if (sysinfo(SI_ARCHITECTURE_64, isa, MAXISALEN) == -1) |
4302 | 562 |
isa[0] = '\0'; |
4180
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
563 |
#else |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
564 |
isa[0] = '\0'; |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
565 |
#endif |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
566 |
(void) snprintf(path, MAXPATHLEN, |
4302 | 567 |
"/usr/lib/%s/libshare.so.1", isa); |
4180
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
568 |
|
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
569 |
if ((libshare = dlopen(path, RTLD_LAZY | RTLD_GLOBAL)) != NULL) { |
4302 | 570 |
_sa_init = (sa_handle_t (*)(int))dlsym(libshare, "sa_init"); |
571 |
_sa_fini = (void (*)(sa_handle_t))dlsym(libshare, "sa_fini"); |
|
572 |
_sa_find_share = (sa_share_t (*)(sa_handle_t, char *)) |
|
573 |
dlsym(libshare, "sa_find_share"); |
|
574 |
_sa_enable_share = (int (*)(sa_share_t, char *))dlsym(libshare, |
|
575 |
"sa_enable_share"); |
|
576 |
_sa_disable_share = (int (*)(sa_share_t, char *))dlsym(libshare, |
|
577 |
"sa_disable_share"); |
|
578 |
_sa_errorstr = (char *(*)(int))dlsym(libshare, "sa_errorstr"); |
|
579 |
_sa_parse_legacy_options = (int (*)(sa_group_t, char *, char *)) |
|
580 |
dlsym(libshare, "sa_parse_legacy_options"); |
|
5951
c597da46efd6
6558321 zfs_share_nfs() fails the second time through
dougm
parents:
5367
diff
changeset
|
581 |
_sa_needs_refresh = (boolean_t (*)(sa_handle_t *)) |
c597da46efd6
6558321 zfs_share_nfs() fails the second time through
dougm
parents:
5367
diff
changeset
|
582 |
dlsym(libshare, "sa_needs_refresh"); |
c597da46efd6
6558321 zfs_share_nfs() fails the second time through
dougm
parents:
5367
diff
changeset
|
583 |
_sa_get_zfs_handle = (libzfs_handle_t *(*)(sa_handle_t)) |
c597da46efd6
6558321 zfs_share_nfs() fails the second time through
dougm
parents:
5367
diff
changeset
|
584 |
dlsym(libshare, "sa_get_zfs_handle"); |
c597da46efd6
6558321 zfs_share_nfs() fails the second time through
dougm
parents:
5367
diff
changeset
|
585 |
_sa_zfs_process_share = (int (*)(sa_handle_t, sa_group_t, |
c597da46efd6
6558321 zfs_share_nfs() fails the second time through
dougm
parents:
5367
diff
changeset
|
586 |
sa_share_t, char *, char *, zprop_source_t, char *, |
c597da46efd6
6558321 zfs_share_nfs() fails the second time through
dougm
parents:
5367
diff
changeset
|
587 |
char *, char *))dlsym(libshare, "sa_zfs_process_share"); |
c597da46efd6
6558321 zfs_share_nfs() fails the second time through
dougm
parents:
5367
diff
changeset
|
588 |
_sa_update_sharetab_ts = (void (*)(sa_handle_t)) |
c597da46efd6
6558321 zfs_share_nfs() fails the second time through
dougm
parents:
5367
diff
changeset
|
589 |
dlsym(libshare, "sa_update_sharetab_ts"); |
4327
4ca5d5f63ada
6556719 sharemgr: sa_zfs_init() dumps core on failure
dougm
parents:
4302
diff
changeset
|
590 |
if (_sa_init == NULL || _sa_fini == NULL || |
4ca5d5f63ada
6556719 sharemgr: sa_zfs_init() dumps core on failure
dougm
parents:
4302
diff
changeset
|
591 |
_sa_find_share == NULL || _sa_enable_share == NULL || |
4ca5d5f63ada
6556719 sharemgr: sa_zfs_init() dumps core on failure
dougm
parents:
4302
diff
changeset
|
592 |
_sa_disable_share == NULL || _sa_errorstr == NULL || |
5951
c597da46efd6
6558321 zfs_share_nfs() fails the second time through
dougm
parents:
5367
diff
changeset
|
593 |
_sa_parse_legacy_options == NULL || |
c597da46efd6
6558321 zfs_share_nfs() fails the second time through
dougm
parents:
5367
diff
changeset
|
594 |
_sa_needs_refresh == NULL || _sa_get_zfs_handle == NULL || |
c597da46efd6
6558321 zfs_share_nfs() fails the second time through
dougm
parents:
5367
diff
changeset
|
595 |
_sa_zfs_process_share == NULL || |
c597da46efd6
6558321 zfs_share_nfs() fails the second time through
dougm
parents:
5367
diff
changeset
|
596 |
_sa_update_sharetab_ts == NULL) { |
4327
4ca5d5f63ada
6556719 sharemgr: sa_zfs_init() dumps core on failure
dougm
parents:
4302
diff
changeset
|
597 |
_sa_init = NULL; |
4ca5d5f63ada
6556719 sharemgr: sa_zfs_init() dumps core on failure
dougm
parents:
4302
diff
changeset
|
598 |
_sa_fini = NULL; |
4ca5d5f63ada
6556719 sharemgr: sa_zfs_init() dumps core on failure
dougm
parents:
4302
diff
changeset
|
599 |
_sa_disable_share = NULL; |
4ca5d5f63ada
6556719 sharemgr: sa_zfs_init() dumps core on failure
dougm
parents:
4302
diff
changeset
|
600 |
_sa_enable_share = NULL; |
4ca5d5f63ada
6556719 sharemgr: sa_zfs_init() dumps core on failure
dougm
parents:
4302
diff
changeset
|
601 |
_sa_errorstr = NULL; |
4ca5d5f63ada
6556719 sharemgr: sa_zfs_init() dumps core on failure
dougm
parents:
4302
diff
changeset
|
602 |
_sa_parse_legacy_options = NULL; |
4ca5d5f63ada
6556719 sharemgr: sa_zfs_init() dumps core on failure
dougm
parents:
4302
diff
changeset
|
603 |
(void) dlclose(libshare); |
5951
c597da46efd6
6558321 zfs_share_nfs() fails the second time through
dougm
parents:
5367
diff
changeset
|
604 |
_sa_needs_refresh = NULL; |
c597da46efd6
6558321 zfs_share_nfs() fails the second time through
dougm
parents:
5367
diff
changeset
|
605 |
_sa_get_zfs_handle = NULL; |
c597da46efd6
6558321 zfs_share_nfs() fails the second time through
dougm
parents:
5367
diff
changeset
|
606 |
_sa_zfs_process_share = NULL; |
c597da46efd6
6558321 zfs_share_nfs() fails the second time through
dougm
parents:
5367
diff
changeset
|
607 |
_sa_update_sharetab_ts = NULL; |
4327
4ca5d5f63ada
6556719 sharemgr: sa_zfs_init() dumps core on failure
dougm
parents:
4302
diff
changeset
|
608 |
} |
4180
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
609 |
} |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
610 |
} |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
611 |
|
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
612 |
/* |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
613 |
* zfs_init_libshare(zhandle, service) |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
614 |
* |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
615 |
* Initialize the libshare API if it hasn't already been initialized. |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
616 |
* In all cases it returns 0 if it succeeded and an error if not. The |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
617 |
* service value is which part(s) of the API to initialize and is a |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
618 |
* direct map to the libshare sa_init(service) interface. |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
619 |
*/ |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
620 |
int |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
621 |
zfs_init_libshare(libzfs_handle_t *zhandle, int service) |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
622 |
{ |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
623 |
int ret = SA_OK; |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
624 |
|
4302 | 625 |
if (_sa_init == NULL) |
626 |
ret = SA_CONFIG_ERR; |
|
627 |
||
5951
c597da46efd6
6558321 zfs_share_nfs() fails the second time through
dougm
parents:
5367
diff
changeset
|
628 |
if (ret == SA_OK && zhandle->libzfs_shareflags & ZFSSHARE_MISS) { |
c597da46efd6
6558321 zfs_share_nfs() fails the second time through
dougm
parents:
5367
diff
changeset
|
629 |
/* |
c597da46efd6
6558321 zfs_share_nfs() fails the second time through
dougm
parents:
5367
diff
changeset
|
630 |
* We had a cache miss. Most likely it is a new ZFS |
c597da46efd6
6558321 zfs_share_nfs() fails the second time through
dougm
parents:
5367
diff
changeset
|
631 |
* dataset that was just created. We want to make sure |
c597da46efd6
6558321 zfs_share_nfs() fails the second time through
dougm
parents:
5367
diff
changeset
|
632 |
* so check timestamps to see if a different process |
c597da46efd6
6558321 zfs_share_nfs() fails the second time through
dougm
parents:
5367
diff
changeset
|
633 |
* has updated any of the configuration. If there was |
c597da46efd6
6558321 zfs_share_nfs() fails the second time through
dougm
parents:
5367
diff
changeset
|
634 |
* some non-ZFS change, we need to re-initialize the |
c597da46efd6
6558321 zfs_share_nfs() fails the second time through
dougm
parents:
5367
diff
changeset
|
635 |
* internal cache. |
c597da46efd6
6558321 zfs_share_nfs() fails the second time through
dougm
parents:
5367
diff
changeset
|
636 |
*/ |
c597da46efd6
6558321 zfs_share_nfs() fails the second time through
dougm
parents:
5367
diff
changeset
|
637 |
zhandle->libzfs_shareflags &= ~ZFSSHARE_MISS; |
c597da46efd6
6558321 zfs_share_nfs() fails the second time through
dougm
parents:
5367
diff
changeset
|
638 |
if (_sa_needs_refresh != NULL && |
c597da46efd6
6558321 zfs_share_nfs() fails the second time through
dougm
parents:
5367
diff
changeset
|
639 |
_sa_needs_refresh(zhandle->libzfs_sharehdl)) { |
c597da46efd6
6558321 zfs_share_nfs() fails the second time through
dougm
parents:
5367
diff
changeset
|
640 |
zfs_uninit_libshare(zhandle); |
c597da46efd6
6558321 zfs_share_nfs() fails the second time through
dougm
parents:
5367
diff
changeset
|
641 |
zhandle->libzfs_sharehdl = _sa_init(service); |
c597da46efd6
6558321 zfs_share_nfs() fails the second time through
dougm
parents:
5367
diff
changeset
|
642 |
} |
c597da46efd6
6558321 zfs_share_nfs() fails the second time through
dougm
parents:
5367
diff
changeset
|
643 |
} |
c597da46efd6
6558321 zfs_share_nfs() fails the second time through
dougm
parents:
5367
diff
changeset
|
644 |
|
4302 | 645 |
if (ret == SA_OK && zhandle && zhandle->libzfs_sharehdl == NULL) |
646 |
zhandle->libzfs_sharehdl = _sa_init(service); |
|
647 |
||
648 |
if (ret == SA_OK && zhandle->libzfs_sharehdl == NULL) |
|
649 |
ret = SA_NO_MEMORY; |
|
650 |
||
4180
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
651 |
return (ret); |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
652 |
} |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
653 |
|
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
654 |
/* |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
655 |
* zfs_uninit_libshare(zhandle) |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
656 |
* |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
657 |
* Uninitialize the libshare API if it hasn't already been |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
658 |
* uninitialized. It is OK to call multiple times. |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
659 |
*/ |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
660 |
void |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
661 |
zfs_uninit_libshare(libzfs_handle_t *zhandle) |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
662 |
{ |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
663 |
if (zhandle != NULL && zhandle->libzfs_sharehdl != NULL) { |
4302 | 664 |
if (_sa_fini != NULL) |
665 |
_sa_fini(zhandle->libzfs_sharehdl); |
|
666 |
zhandle->libzfs_sharehdl = NULL; |
|
4180
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
667 |
} |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
668 |
} |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
669 |
|
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
670 |
/* |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
671 |
* zfs_parse_options(options, proto) |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
672 |
* |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
673 |
* Call the legacy parse interface to get the protocol specific |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
674 |
* options using the NULL arg to indicate that this is a "parse" only. |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
675 |
*/ |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
676 |
int |
5331 | 677 |
zfs_parse_options(char *options, zfs_share_proto_t proto) |
4180
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
678 |
{ |
5367 | 679 |
if (_sa_parse_legacy_options != NULL) { |
680 |
return (_sa_parse_legacy_options(NULL, options, |
|
681 |
proto_table[proto].p_name)); |
|
682 |
} |
|
683 |
return (SA_CONFIG_ERR); |
|
4180
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
684 |
} |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
685 |
|
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
686 |
/* |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
687 |
* zfs_sa_find_share(handle, path) |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
688 |
* |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
689 |
* wrapper around sa_find_share to find a share path in the |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
690 |
* configuration. |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
691 |
*/ |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
692 |
static sa_share_t |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
693 |
zfs_sa_find_share(sa_handle_t handle, char *path) |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
694 |
{ |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
695 |
if (_sa_find_share != NULL) |
4302 | 696 |
return (_sa_find_share(handle, path)); |
4180
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
697 |
return (NULL); |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
698 |
} |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
699 |
|
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
700 |
/* |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
701 |
* zfs_sa_enable_share(share, proto) |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
702 |
* |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
703 |
* Wrapper for sa_enable_share which enables a share for a specified |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
704 |
* protocol. |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
705 |
*/ |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
706 |
static int |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
707 |
zfs_sa_enable_share(sa_share_t share, char *proto) |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
708 |
{ |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
709 |
if (_sa_enable_share != NULL) |
4302 | 710 |
return (_sa_enable_share(share, proto)); |
4180
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
711 |
return (SA_CONFIG_ERR); |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
712 |
} |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
713 |
|
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
714 |
/* |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
715 |
* zfs_sa_disable_share(share, proto) |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
716 |
* |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
717 |
* Wrapper for sa_enable_share which disables a share for a specified |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
718 |
* protocol. |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
719 |
*/ |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
720 |
static int |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
721 |
zfs_sa_disable_share(sa_share_t share, char *proto) |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
722 |
{ |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
723 |
if (_sa_disable_share != NULL) |
4302 | 724 |
return (_sa_disable_share(share, proto)); |
4180
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
725 |
return (SA_CONFIG_ERR); |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
726 |
} |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
727 |
|
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
728 |
/* |
5331 | 729 |
* Share the given filesystem according to the options in the specified |
730 |
* protocol specific properties (sharenfs, sharesmb). We rely |
|
4180
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
731 |
* on "libshare" to the dirty work for us. |
789 | 732 |
*/ |
5331 | 733 |
static int |
734 |
zfs_share_proto(zfs_handle_t *zhp, zfs_share_proto_t *proto) |
|
789 | 735 |
{ |
736 |
char mountpoint[ZFS_MAXPROPLEN]; |
|
737 |
char shareopts[ZFS_MAXPROPLEN]; |
|
5951
c597da46efd6
6558321 zfs_share_nfs() fails the second time through
dougm
parents:
5367
diff
changeset
|
738 |
char sourcestr[ZFS_MAXPROPLEN]; |
2082 | 739 |
libzfs_handle_t *hdl = zhp->zfs_hdl; |
4180
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
740 |
sa_share_t share; |
5331 | 741 |
zfs_share_proto_t *curr_proto; |
5951
c597da46efd6
6558321 zfs_share_nfs() fails the second time through
dougm
parents:
5367
diff
changeset
|
742 |
zprop_source_t sourcetype; |
4180
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
743 |
int ret; |
789 | 744 |
|
2676 | 745 |
if (!zfs_is_mountable(zhp, mountpoint, sizeof (mountpoint), NULL)) |
789 | 746 |
return (0); |
747 |
||
4180
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
748 |
if ((ret = zfs_init_libshare(hdl, SA_INIT_SHARE_API)) != SA_OK) { |
4302 | 749 |
(void) zfs_error_fmt(hdl, EZFS_SHARENFSFAILED, |
750 |
dgettext(TEXT_DOMAIN, "cannot share '%s': %s"), |
|
5951
c597da46efd6
6558321 zfs_share_nfs() fails the second time through
dougm
parents:
5367
diff
changeset
|
751 |
zfs_get_name(zhp), _sa_errorstr != NULL ? |
c597da46efd6
6558321 zfs_share_nfs() fails the second time through
dougm
parents:
5367
diff
changeset
|
752 |
_sa_errorstr(ret) : ""); |
4302 | 753 |
return (-1); |
4180
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
754 |
} |
5331 | 755 |
|
756 |
for (curr_proto = proto; *curr_proto != PROTO_END; curr_proto++) { |
|
757 |
/* |
|
758 |
* Return success if there are no share options. |
|
759 |
*/ |
|
760 |
if (zfs_prop_get(zhp, proto_table[*curr_proto].p_prop, |
|
5951
c597da46efd6
6558321 zfs_share_nfs() fails the second time through
dougm
parents:
5367
diff
changeset
|
761 |
shareopts, sizeof (shareopts), &sourcetype, sourcestr, |
c597da46efd6
6558321 zfs_share_nfs() fails the second time through
dougm
parents:
5367
diff
changeset
|
762 |
ZFS_MAXPROPLEN, B_FALSE) != 0 || |
c597da46efd6
6558321 zfs_share_nfs() fails the second time through
dougm
parents:
5367
diff
changeset
|
763 |
strcmp(shareopts, "off") == 0) |
5331 | 764 |
continue; |
765 |
||
766 |
/* |
|
767 |
* If the 'zoned' property is set, then zfs_is_mountable() |
|
768 |
* will have already bailed out if we are in the global zone. |
|
769 |
* But local zones cannot be NFS servers, so we ignore it for |
|
770 |
* local zones as well. |
|
771 |
*/ |
|
772 |
if (zfs_prop_get_int(zhp, ZFS_PROP_ZONED)) |
|
773 |
continue; |
|
774 |
||
775 |
share = zfs_sa_find_share(hdl->libzfs_sharehdl, mountpoint); |
|
5951
c597da46efd6
6558321 zfs_share_nfs() fails the second time through
dougm
parents:
5367
diff
changeset
|
776 |
if (share == NULL) { |
c597da46efd6
6558321 zfs_share_nfs() fails the second time through
dougm
parents:
5367
diff
changeset
|
777 |
/* |
c597da46efd6
6558321 zfs_share_nfs() fails the second time through
dougm
parents:
5367
diff
changeset
|
778 |
* This may be a new file system that was just |
c597da46efd6
6558321 zfs_share_nfs() fails the second time through
dougm
parents:
5367
diff
changeset
|
779 |
* created so isn't in the internal cache |
c597da46efd6
6558321 zfs_share_nfs() fails the second time through
dougm
parents:
5367
diff
changeset
|
780 |
* (second time through). Rather than |
c597da46efd6
6558321 zfs_share_nfs() fails the second time through
dougm
parents:
5367
diff
changeset
|
781 |
* reloading the entire configuration, we can |
c597da46efd6
6558321 zfs_share_nfs() fails the second time through
dougm
parents:
5367
diff
changeset
|
782 |
* assume ZFS has done the checking and it is |
c597da46efd6
6558321 zfs_share_nfs() fails the second time through
dougm
parents:
5367
diff
changeset
|
783 |
* safe to add this to the internal |
c597da46efd6
6558321 zfs_share_nfs() fails the second time through
dougm
parents:
5367
diff
changeset
|
784 |
* configuration. |
c597da46efd6
6558321 zfs_share_nfs() fails the second time through
dougm
parents:
5367
diff
changeset
|
785 |
*/ |
c597da46efd6
6558321 zfs_share_nfs() fails the second time through
dougm
parents:
5367
diff
changeset
|
786 |
if (_sa_zfs_process_share(hdl->libzfs_sharehdl, |
c597da46efd6
6558321 zfs_share_nfs() fails the second time through
dougm
parents:
5367
diff
changeset
|
787 |
NULL, NULL, mountpoint, |
c597da46efd6
6558321 zfs_share_nfs() fails the second time through
dougm
parents:
5367
diff
changeset
|
788 |
proto_table[*curr_proto].p_name, sourcetype, |
c597da46efd6
6558321 zfs_share_nfs() fails the second time through
dougm
parents:
5367
diff
changeset
|
789 |
shareopts, sourcestr, zhp->zfs_name) != SA_OK) { |
c597da46efd6
6558321 zfs_share_nfs() fails the second time through
dougm
parents:
5367
diff
changeset
|
790 |
(void) zfs_error_fmt(hdl, |
c597da46efd6
6558321 zfs_share_nfs() fails the second time through
dougm
parents:
5367
diff
changeset
|
791 |
proto_table[*curr_proto].p_share_err, |
c597da46efd6
6558321 zfs_share_nfs() fails the second time through
dougm
parents:
5367
diff
changeset
|
792 |
dgettext(TEXT_DOMAIN, "cannot share '%s'"), |
c597da46efd6
6558321 zfs_share_nfs() fails the second time through
dougm
parents:
5367
diff
changeset
|
793 |
zfs_get_name(zhp)); |
c597da46efd6
6558321 zfs_share_nfs() fails the second time through
dougm
parents:
5367
diff
changeset
|
794 |
return (-1); |
c597da46efd6
6558321 zfs_share_nfs() fails the second time through
dougm
parents:
5367
diff
changeset
|
795 |
} |
c597da46efd6
6558321 zfs_share_nfs() fails the second time through
dougm
parents:
5367
diff
changeset
|
796 |
hdl->libzfs_shareflags |= ZFSSHARE_MISS; |
c597da46efd6
6558321 zfs_share_nfs() fails the second time through
dougm
parents:
5367
diff
changeset
|
797 |
share = zfs_sa_find_share(hdl->libzfs_sharehdl, |
c597da46efd6
6558321 zfs_share_nfs() fails the second time through
dougm
parents:
5367
diff
changeset
|
798 |
mountpoint); |
c597da46efd6
6558321 zfs_share_nfs() fails the second time through
dougm
parents:
5367
diff
changeset
|
799 |
} |
5331 | 800 |
if (share != NULL) { |
801 |
int err; |
|
802 |
err = zfs_sa_enable_share(share, |
|
803 |
proto_table[*curr_proto].p_name); |
|
804 |
if (err != SA_OK) { |
|
805 |
(void) zfs_error_fmt(hdl, |
|
806 |
proto_table[*curr_proto].p_share_err, |
|
807 |
dgettext(TEXT_DOMAIN, "cannot share '%s'"), |
|
808 |
zfs_get_name(zhp)); |
|
809 |
return (-1); |
|
810 |
} |
|
811 |
} else { |
|
812 |
(void) zfs_error_fmt(hdl, |
|
813 |
proto_table[*curr_proto].p_share_err, |
|
4302 | 814 |
dgettext(TEXT_DOMAIN, "cannot share '%s'"), |
815 |
zfs_get_name(zhp)); |
|
816 |
return (-1); |
|
817 |
} |
|
5331 | 818 |
|
789 | 819 |
} |
5331 | 820 |
return (0); |
821 |
} |
|
789 | 822 |
|
5331 | 823 |
|
824 |
int |
|
825 |
zfs_share_nfs(zfs_handle_t *zhp) |
|
826 |
{ |
|
827 |
return (zfs_share_proto(zhp, nfs_only)); |
|
828 |
} |
|
829 |
||
830 |
int |
|
831 |
zfs_share_smb(zfs_handle_t *zhp) |
|
832 |
{ |
|
833 |
return (zfs_share_proto(zhp, smb_only)); |
|
834 |
} |
|
835 |
||
836 |
int |
|
837 |
zfs_shareall(zfs_handle_t *zhp) |
|
838 |
{ |
|
839 |
return (zfs_share_proto(zhp, share_all_proto)); |
|
789 | 840 |
} |
841 |
||
842 |
/* |
|
2474
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
843 |
* Unshare a filesystem by mountpoint. |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
844 |
*/ |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
845 |
static int |
5331 | 846 |
unshare_one(libzfs_handle_t *hdl, const char *name, const char *mountpoint, |
847 |
zfs_share_proto_t proto) |
|
2474
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
848 |
{ |
4180
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
849 |
sa_share_t share; |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
850 |
int err; |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
851 |
char *mntpt; |
2474
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
852 |
/* |
4180
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
853 |
* Mountpoint could get trashed if libshare calls getmntany |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
854 |
* which id does during API initialization, so strdup the |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
855 |
* value. |
2474
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
856 |
*/ |
4180
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
857 |
mntpt = zfs_strdup(hdl, mountpoint); |
2474
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
858 |
|
4180
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
859 |
/* make sure libshare initialized */ |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
860 |
if ((err = zfs_init_libshare(hdl, SA_INIT_SHARE_API)) != SA_OK) { |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
861 |
free(mntpt); /* don't need the copy anymore */ |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
862 |
return (zfs_error_fmt(hdl, EZFS_SHARENFSFAILED, |
4302 | 863 |
dgettext(TEXT_DOMAIN, "cannot unshare '%s': %s"), |
864 |
name, _sa_errorstr(err))); |
|
2474
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
865 |
} |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
866 |
|
4180
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
867 |
share = zfs_sa_find_share(hdl->libzfs_sharehdl, mntpt); |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
868 |
free(mntpt); /* don't need the copy anymore */ |
2474
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
869 |
|
4180
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
870 |
if (share != NULL) { |
5331 | 871 |
err = zfs_sa_disable_share(share, proto_table[proto].p_name); |
4180
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
872 |
if (err != SA_OK) { |
4302 | 873 |
return (zfs_error_fmt(hdl, EZFS_UNSHARENFSFAILED, |
874 |
dgettext(TEXT_DOMAIN, "cannot unshare '%s': %s"), |
|
875 |
name, _sa_errorstr(err))); |
|
4180
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
876 |
} |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
877 |
} else { |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
878 |
return (zfs_error_fmt(hdl, EZFS_UNSHARENFSFAILED, |
4302 | 879 |
dgettext(TEXT_DOMAIN, "cannot unshare '%s': not found"), |
880 |
name)); |
|
4180
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
881 |
} |
2474
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
882 |
return (0); |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
883 |
} |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
884 |
|
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
885 |
/* |
789 | 886 |
* Unshare the given filesystem. |
887 |
*/ |
|
888 |
int |
|
5331 | 889 |
zfs_unshare_proto(zfs_handle_t *zhp, const char *mountpoint, |
890 |
zfs_share_proto_t *proto) |
|
789 | 891 |
{ |
892 |
struct mnttab search = { 0 }, entry; |
|
4180
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
893 |
char *mntpt = NULL; |
789 | 894 |
|
895 |
/* check to see if need to unmount the filesystem */ |
|
896 |
search.mnt_special = (char *)zfs_get_name(zhp); |
|
1407
f178d5f7681f
6381720 zfs_unmount() not checking fstype in /etc/mnttab
nd150628
parents:
1371
diff
changeset
|
897 |
search.mnt_fstype = MNTTYPE_ZFS; |
2082 | 898 |
rewind(zhp->zfs_hdl->libzfs_mnttab); |
4302 | 899 |
if (mountpoint != NULL) |
5331 | 900 |
mntpt = zfs_strdup(zhp->zfs_hdl, mountpoint); |
4302 | 901 |
|
789 | 902 |
if (mountpoint != NULL || ((zfs_get_type(zhp) == ZFS_TYPE_FILESYSTEM) && |
2082 | 903 |
getmntany(zhp->zfs_hdl->libzfs_mnttab, &entry, &search) == 0)) { |
5331 | 904 |
zfs_share_proto_t *curr_proto; |
789 | 905 |
|
906 |
if (mountpoint == NULL) |
|
5331 | 907 |
mntpt = zfs_strdup(zhp->zfs_hdl, entry.mnt_mountp); |
908 |
||
909 |
for (curr_proto = proto; *curr_proto != PROTO_END; |
|
910 |
curr_proto++) { |
|
789 | 911 |
|
5331 | 912 |
if (is_shared(zhp->zfs_hdl, mntpt, *curr_proto) && |
913 |
unshare_one(zhp->zfs_hdl, zhp->zfs_name, |
|
914 |
mntpt, *curr_proto) != 0) { |
|
915 |
if (mntpt != NULL) |
|
916 |
free(mntpt); |
|
917 |
return (-1); |
|
918 |
} |
|
4180
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
919 |
} |
789 | 920 |
} |
4180
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
921 |
if (mntpt != NULL) |
4302 | 922 |
free(mntpt); |
789 | 923 |
|
924 |
return (0); |
|
925 |
} |
|
926 |
||
5331 | 927 |
int |
928 |
zfs_unshare_nfs(zfs_handle_t *zhp, const char *mountpoint) |
|
929 |
{ |
|
930 |
return (zfs_unshare_proto(zhp, mountpoint, nfs_only)); |
|
931 |
} |
|
932 |
||
933 |
int |
|
934 |
zfs_unshare_smb(zfs_handle_t *zhp, const char *mountpoint) |
|
935 |
{ |
|
936 |
return (zfs_unshare_proto(zhp, mountpoint, smb_only)); |
|
937 |
} |
|
938 |
||
789 | 939 |
/* |
5331 | 940 |
* Same as zfs_unmountall(), but for NFS and SMB unshares. |
789 | 941 |
*/ |
942 |
int |
|
5331 | 943 |
zfs_unshareall_proto(zfs_handle_t *zhp, zfs_share_proto_t *proto) |
789 | 944 |
{ |
945 |
prop_changelist_t *clp; |
|
946 |
int ret; |
|
947 |
||
948 |
clp = changelist_gather(zhp, ZFS_PROP_SHARENFS, 0); |
|
949 |
if (clp == NULL) |
|
950 |
return (-1); |
|
951 |
||
5331 | 952 |
ret = changelist_unshare(clp, proto); |
789 | 953 |
changelist_free(clp); |
954 |
||
955 |
return (ret); |
|
956 |
} |
|
957 |
||
5331 | 958 |
int |
959 |
zfs_unshareall_nfs(zfs_handle_t *zhp) |
|
960 |
{ |
|
961 |
return (zfs_unshareall_proto(zhp, nfs_only)); |
|
962 |
} |
|
963 |
||
964 |
int |
|
965 |
zfs_unshareall_smb(zfs_handle_t *zhp) |
|
966 |
{ |
|
967 |
return (zfs_unshareall_proto(zhp, smb_only)); |
|
968 |
} |
|
969 |
||
970 |
int |
|
971 |
zfs_unshareall(zfs_handle_t *zhp) |
|
972 |
{ |
|
973 |
return (zfs_unshareall_proto(zhp, share_all_proto)); |
|
974 |
} |
|
975 |
||
976 |
int |
|
977 |
zfs_unshareall_bypath(zfs_handle_t *zhp, const char *mountpoint) |
|
978 |
{ |
|
979 |
return (zfs_unshare_proto(zhp, mountpoint, share_all_proto)); |
|
980 |
} |
|
981 |
||
789 | 982 |
/* |
983 |
* Remove the mountpoint associated with the current dataset, if necessary. |
|
984 |
* We only remove the underlying directory if: |
|
985 |
* |
|
986 |
* - The mountpoint is not 'none' or 'legacy' |
|
987 |
* - The mountpoint is non-empty |
|
988 |
* - The mountpoint is the default or inherited |
|
989 |
* - The 'zoned' property is set, or we're in a local zone |
|
990 |
* |
|
991 |
* Any other directories we leave alone. |
|
992 |
*/ |
|
993 |
void |
|
994 |
remove_mountpoint(zfs_handle_t *zhp) |
|
995 |
{ |
|
996 |
char mountpoint[ZFS_MAXPROPLEN]; |
|
5094 | 997 |
zprop_source_t source; |
789 | 998 |
|
2676 | 999 |
if (!zfs_is_mountable(zhp, mountpoint, sizeof (mountpoint), |
1000 |
&source)) |
|
789 | 1001 |
return; |
1002 |
||
5094 | 1003 |
if (source == ZPROP_SRC_DEFAULT || |
1004 |
source == ZPROP_SRC_INHERITED) { |
|
789 | 1005 |
/* |
1006 |
* Try to remove the directory, silently ignoring any errors. |
|
1007 |
* The filesystem may have since been removed or moved around, |
|
2676 | 1008 |
* and this error isn't really useful to the administrator in |
1009 |
* any way. |
|
789 | 1010 |
*/ |
1011 |
(void) rmdir(mountpoint); |
|
1012 |
} |
|
1013 |
} |
|
2474
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1014 |
|
3126 | 1015 |
boolean_t |
1016 |
zfs_is_shared_iscsi(zfs_handle_t *zhp) |
|
1017 |
{ |
|
4543 | 1018 |
|
1019 |
/* |
|
1020 |
* If iscsi deamon isn't running then we aren't shared |
|
1021 |
*/ |
|
1022 |
if (iscsitgt_svc_online && iscsitgt_svc_online() == 1) |
|
5331 | 1023 |
return (B_FALSE); |
4543 | 1024 |
else |
1025 |
return (iscsitgt_zfs_is_shared != NULL && |
|
1026 |
iscsitgt_zfs_is_shared(zhp->zfs_name) != 0); |
|
3126 | 1027 |
} |
1028 |
||
1029 |
int |
|
1030 |
zfs_share_iscsi(zfs_handle_t *zhp) |
|
1031 |
{ |
|
1032 |
char shareopts[ZFS_MAXPROPLEN]; |
|
1033 |
const char *dataset = zhp->zfs_name; |
|
1034 |
libzfs_handle_t *hdl = zhp->zfs_hdl; |
|
1035 |
||
1036 |
/* |
|
1037 |
* Return success if there are no share options. |
|
1038 |
*/ |
|
1039 |
if (zfs_prop_get(zhp, ZFS_PROP_SHAREISCSI, shareopts, |
|
1040 |
sizeof (shareopts), NULL, NULL, 0, B_FALSE) != 0 || |
|
1041 |
strcmp(shareopts, "off") == 0) |
|
1042 |
return (0); |
|
1043 |
||
4543 | 1044 |
if (iscsitgt_zfs_share == NULL || iscsitgt_zfs_share(dataset) != 0) { |
1045 |
int error = EZFS_SHAREISCSIFAILED; |
|
1046 |
||
1047 |
/* |
|
1048 |
* If service isn't availabele and EPERM was |
|
1049 |
* returned then use special error. |
|
1050 |
*/ |
|
1051 |
if (iscsitgt_svc_online && errno == EPERM && |
|
1052 |
(iscsitgt_svc_online() != 0)) |
|
1053 |
error = EZFS_ISCSISVCUNAVAIL; |
|
1054 |
||
1055 |
return (zfs_error_fmt(hdl, error, |
|
3126 | 1056 |
dgettext(TEXT_DOMAIN, "cannot share '%s'"), dataset)); |
4543 | 1057 |
} |
3126 | 1058 |
|
1059 |
return (0); |
|
1060 |
} |
|
1061 |
||
1062 |
int |
|
1063 |
zfs_unshare_iscsi(zfs_handle_t *zhp) |
|
1064 |
{ |
|
1065 |
const char *dataset = zfs_get_name(zhp); |
|
1066 |
libzfs_handle_t *hdl = zhp->zfs_hdl; |
|
1067 |
||
1068 |
/* |
|
3380
c121b2a2bd0e
6510448 zfs_unshare_iscsi() gives bogus error message when libiscsitgt cannot be opened or is missing
gw25295
parents:
3237
diff
changeset
|
1069 |
* Return if the volume is not shared |
c121b2a2bd0e
6510448 zfs_unshare_iscsi() gives bogus error message when libiscsitgt cannot be opened or is missing
gw25295
parents:
3237
diff
changeset
|
1070 |
*/ |
5331 | 1071 |
if (zfs_is_shared_iscsi(zhp) != SHARED_ISCSI) |
3380
c121b2a2bd0e
6510448 zfs_unshare_iscsi() gives bogus error message when libiscsitgt cannot be opened or is missing
gw25295
parents:
3237
diff
changeset
|
1072 |
return (0); |
c121b2a2bd0e
6510448 zfs_unshare_iscsi() gives bogus error message when libiscsitgt cannot be opened or is missing
gw25295
parents:
3237
diff
changeset
|
1073 |
|
c121b2a2bd0e
6510448 zfs_unshare_iscsi() gives bogus error message when libiscsitgt cannot be opened or is missing
gw25295
parents:
3237
diff
changeset
|
1074 |
/* |
3126 | 1075 |
* If this fails with ENODEV it indicates that zvol wasn't shared so |
1076 |
* we should return success in that case. |
|
1077 |
*/ |
|
3134
59cd24b2b5d6
6494840 libzfs should dlopen libiscsitgt rather than linking to it
ahl
parents:
3126
diff
changeset
|
1078 |
if (iscsitgt_zfs_unshare == NULL || |
4543 | 1079 |
(iscsitgt_zfs_unshare(dataset) != 0 && errno != ENODEV)) { |
1080 |
if (errno == EPERM) |
|
1081 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
|
1082 |
"Insufficient privileges to unshare iscsi")); |
|
3237
98d0c28f2f5e
6480245 renaming a dataset to something with '%s' will cause segfault
lling
parents:
3134
diff
changeset
|
1083 |
return (zfs_error_fmt(hdl, EZFS_UNSHAREISCSIFAILED, |
3126 | 1084 |
dgettext(TEXT_DOMAIN, "cannot unshare '%s'"), dataset)); |
4543 | 1085 |
} |
3126 | 1086 |
|
1087 |
return (0); |
|
1088 |
} |
|
1089 |
||
2474
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1090 |
typedef struct mount_cbdata { |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1091 |
zfs_handle_t **cb_datasets; |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1092 |
int cb_used; |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1093 |
int cb_alloc; |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1094 |
} mount_cbdata_t; |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1095 |
|
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1096 |
static int |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1097 |
mount_cb(zfs_handle_t *zhp, void *data) |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1098 |
{ |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1099 |
mount_cbdata_t *cbp = data; |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1100 |
|
3126 | 1101 |
if (!(zfs_get_type(zhp) & (ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME))) { |
2474
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1102 |
zfs_close(zhp); |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1103 |
return (0); |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1104 |
} |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1105 |
|
6168
51c045dcc498
PSARC 2008/168 Support for ZFS property value canmount=noauto
hs24103
parents:
6027
diff
changeset
|
1106 |
if (zfs_prop_get_int(zhp, ZFS_PROP_CANMOUNT) == ZFS_CANMOUNT_NOAUTO) { |
51c045dcc498
PSARC 2008/168 Support for ZFS property value canmount=noauto
hs24103
parents:
6027
diff
changeset
|
1107 |
zfs_close(zhp); |
51c045dcc498
PSARC 2008/168 Support for ZFS property value canmount=noauto
hs24103
parents:
6027
diff
changeset
|
1108 |
return (0); |
51c045dcc498
PSARC 2008/168 Support for ZFS property value canmount=noauto
hs24103
parents:
6027
diff
changeset
|
1109 |
} |
51c045dcc498
PSARC 2008/168 Support for ZFS property value canmount=noauto
hs24103
parents:
6027
diff
changeset
|
1110 |
|
2474
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1111 |
if (cbp->cb_alloc == cbp->cb_used) { |
2676 | 1112 |
void *ptr; |
2474
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1113 |
|
2676 | 1114 |
if ((ptr = zfs_realloc(zhp->zfs_hdl, |
1115 |
cbp->cb_datasets, cbp->cb_alloc * sizeof (void *), |
|
1116 |
cbp->cb_alloc * 2 * sizeof (void *))) == NULL) |
|
2474
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1117 |
return (-1); |
2676 | 1118 |
cbp->cb_datasets = ptr; |
2474
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1119 |
|
2676 | 1120 |
cbp->cb_alloc *= 2; |
2474
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1121 |
} |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1122 |
|
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1123 |
cbp->cb_datasets[cbp->cb_used++] = zhp; |
3126 | 1124 |
|
6027
68b03551f113
6609196 'zfs destroy -r' can needlessly iterate over all filesystems in pool
rm160521
parents:
5951
diff
changeset
|
1125 |
return (zfs_iter_filesystems(zhp, mount_cb, cbp)); |
2474
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1126 |
} |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1127 |
|
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1128 |
static int |
3126 | 1129 |
dataset_cmp(const void *a, const void *b) |
2474
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1130 |
{ |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1131 |
zfs_handle_t **za = (zfs_handle_t **)a; |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1132 |
zfs_handle_t **zb = (zfs_handle_t **)b; |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1133 |
char mounta[MAXPATHLEN]; |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1134 |
char mountb[MAXPATHLEN]; |
3126 | 1135 |
boolean_t gota, gotb; |
2474
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1136 |
|
3126 | 1137 |
if ((gota = (zfs_get_type(*za) == ZFS_TYPE_FILESYSTEM)) != 0) |
1138 |
verify(zfs_prop_get(*za, ZFS_PROP_MOUNTPOINT, mounta, |
|
1139 |
sizeof (mounta), NULL, NULL, 0, B_FALSE) == 0); |
|
1140 |
if ((gotb = (zfs_get_type(*zb) == ZFS_TYPE_FILESYSTEM)) != 0) |
|
1141 |
verify(zfs_prop_get(*zb, ZFS_PROP_MOUNTPOINT, mountb, |
|
1142 |
sizeof (mountb), NULL, NULL, 0, B_FALSE) == 0); |
|
2474
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1143 |
|
3126 | 1144 |
if (gota && gotb) |
1145 |
return (strcmp(mounta, mountb)); |
|
1146 |
||
1147 |
if (gota) |
|
1148 |
return (-1); |
|
1149 |
if (gotb) |
|
1150 |
return (1); |
|
1151 |
||
1152 |
return (strcmp(zfs_get_name(a), zfs_get_name(b))); |
|
2474
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1153 |
} |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1154 |
|
3126 | 1155 |
/* |
1156 |
* Mount and share all datasets within the given pool. This assumes that no |
|
1157 |
* datasets within the pool are currently mounted. Because users can create |
|
1158 |
* complicated nested hierarchies of mountpoints, we first gather all the |
|
1159 |
* datasets and mountpoints within the pool, and sort them by mountpoint. Once |
|
1160 |
* we have the list of all filesystems, we iterate over them in order and mount |
|
1161 |
* and/or share each one. |
|
1162 |
*/ |
|
1163 |
#pragma weak zpool_mount_datasets = zpool_enable_datasets |
|
2474
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1164 |
int |
3126 | 1165 |
zpool_enable_datasets(zpool_handle_t *zhp, const char *mntopts, int flags) |
2474
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1166 |
{ |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1167 |
mount_cbdata_t cb = { 0 }; |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1168 |
libzfs_handle_t *hdl = zhp->zpool_hdl; |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1169 |
zfs_handle_t *zfsp; |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1170 |
int i, ret = -1; |
4180
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
1171 |
int *good; |
2474
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1172 |
|
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1173 |
/* |
6027
68b03551f113
6609196 'zfs destroy -r' can needlessly iterate over all filesystems in pool
rm160521
parents:
5951
diff
changeset
|
1174 |
* Gather all non-snap datasets within the pool. |
2474
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1175 |
*/ |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1176 |
if ((cb.cb_datasets = zfs_alloc(hdl, 4 * sizeof (void *))) == NULL) |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1177 |
return (-1); |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1178 |
cb.cb_alloc = 4; |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1179 |
|
5094 | 1180 |
if ((zfsp = zfs_open(hdl, zhp->zpool_name, ZFS_TYPE_DATASET)) == NULL) |
2474
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1181 |
goto out; |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1182 |
|
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1183 |
cb.cb_datasets[0] = zfsp; |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1184 |
cb.cb_used = 1; |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1185 |
|
6027
68b03551f113
6609196 'zfs destroy -r' can needlessly iterate over all filesystems in pool
rm160521
parents:
5951
diff
changeset
|
1186 |
if (zfs_iter_filesystems(zfsp, mount_cb, &cb) != 0) |
2474
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1187 |
goto out; |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1188 |
|
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1189 |
/* |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1190 |
* Sort the datasets by mountpoint. |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1191 |
*/ |
3126 | 1192 |
qsort(cb.cb_datasets, cb.cb_used, sizeof (void *), dataset_cmp); |
2474
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1193 |
|
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1194 |
/* |
4180
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
1195 |
* And mount all the datasets, keeping track of which ones |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
1196 |
* succeeded or failed. By using zfs_alloc(), the good pointer |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
1197 |
* will always be non-NULL. |
2474
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1198 |
*/ |
4180
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
1199 |
good = zfs_alloc(zhp->zpool_hdl, cb.cb_used * sizeof (int)); |
2474
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1200 |
ret = 0; |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1201 |
for (i = 0; i < cb.cb_used; i++) { |
4302 | 1202 |
if (zfs_mount(cb.cb_datasets[i], mntopts, flags) != 0) |
4180
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
1203 |
ret = -1; |
4302 | 1204 |
else |
4180
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
1205 |
good[i] = 1; |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
1206 |
} |
5951
c597da46efd6
6558321 zfs_share_nfs() fails the second time through
dougm
parents:
5367
diff
changeset
|
1207 |
|
4180
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
1208 |
/* |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
1209 |
* Then share all the ones that need to be shared. This needs |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
1210 |
* to be a separate pass in order to avoid excessive reloading |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
1211 |
* of the configuration. Good should never be NULL since |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
1212 |
* zfs_alloc is supposed to exit if memory isn't available. |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
1213 |
*/ |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
1214 |
for (i = 0; i < cb.cb_used; i++) { |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
1215 |
if (good[i] && zfs_share(cb.cb_datasets[i]) != 0) |
2474
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1216 |
ret = -1; |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1217 |
} |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1218 |
|
4180
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
1219 |
free(good); |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
3444
diff
changeset
|
1220 |
|
2474
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1221 |
out: |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1222 |
for (i = 0; i < cb.cb_used; i++) |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1223 |
zfs_close(cb.cb_datasets[i]); |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1224 |
free(cb.cb_datasets); |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1225 |
|
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1226 |
return (ret); |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1227 |
} |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1228 |
|
3126 | 1229 |
|
1230 |
static int |
|
1231 |
zvol_cb(const char *dataset, void *data) |
|
1232 |
{ |
|
1233 |
libzfs_handle_t *hdl = data; |
|
1234 |
zfs_handle_t *zhp; |
|
1235 |
||
1236 |
/* |
|
1237 |
* Ignore snapshots and ignore failures from non-existant datasets. |
|
1238 |
*/ |
|
1239 |
if (strchr(dataset, '@') != NULL || |
|
1240 |
(zhp = zfs_open(hdl, dataset, ZFS_TYPE_VOLUME)) == NULL) |
|
1241 |
return (0); |
|
1242 |
||
4543 | 1243 |
if (zfs_unshare_iscsi(zhp) != 0) |
1244 |
return (-1); |
|
3126 | 1245 |
|
1246 |
zfs_close(zhp); |
|
1247 |
||
1248 |
return (0); |
|
1249 |
} |
|
1250 |
||
2474
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1251 |
static int |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1252 |
mountpoint_compare(const void *a, const void *b) |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1253 |
{ |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1254 |
const char *mounta = *((char **)a); |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1255 |
const char *mountb = *((char **)b); |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1256 |
|
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1257 |
return (strcmp(mountb, mounta)); |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1258 |
} |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1259 |
|
3126 | 1260 |
/* |
1261 |
* Unshare and unmount all datasets within the given pool. We don't want to |
|
1262 |
* rely on traversing the DSL to discover the filesystems within the pool, |
|
1263 |
* because this may be expensive (if not all of them are mounted), and can fail |
|
1264 |
* arbitrarily (on I/O error, for example). Instead, we walk /etc/mnttab and |
|
1265 |
* gather all the filesystems that are currently mounted. |
|
1266 |
*/ |
|
1267 |
#pragma weak zpool_unmount_datasets = zpool_disable_datasets |
|
2474
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1268 |
int |
3126 | 1269 |
zpool_disable_datasets(zpool_handle_t *zhp, boolean_t force) |
2474
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1270 |
{ |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1271 |
int used, alloc; |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1272 |
struct mnttab entry; |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1273 |
size_t namelen; |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1274 |
char **mountpoints = NULL; |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1275 |
zfs_handle_t **datasets = NULL; |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1276 |
libzfs_handle_t *hdl = zhp->zpool_hdl; |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1277 |
int i; |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1278 |
int ret = -1; |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1279 |
int flags = (force ? MS_FORCE : 0); |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1280 |
|
3126 | 1281 |
/* |
1282 |
* First unshare all zvols. |
|
1283 |
*/ |
|
1284 |
if (zpool_iter_zvol(zhp, zvol_cb, hdl) != 0) |
|
1285 |
return (-1); |
|
1286 |
||
2474
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1287 |
namelen = strlen(zhp->zpool_name); |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1288 |
|
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1289 |
rewind(hdl->libzfs_mnttab); |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1290 |
used = alloc = 0; |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1291 |
while (getmntent(hdl->libzfs_mnttab, &entry) == 0) { |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1292 |
/* |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1293 |
* Ignore non-ZFS entries. |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1294 |
*/ |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1295 |
if (entry.mnt_fstype == NULL || |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1296 |
strcmp(entry.mnt_fstype, MNTTYPE_ZFS) != 0) |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1297 |
continue; |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1298 |
|
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1299 |
/* |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1300 |
* Ignore filesystems not within this pool. |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1301 |
*/ |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1302 |
if (entry.mnt_mountp == NULL || |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1303 |
strncmp(entry.mnt_special, zhp->zpool_name, namelen) != 0 || |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1304 |
(entry.mnt_special[namelen] != '/' && |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1305 |
entry.mnt_special[namelen] != '\0')) |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1306 |
continue; |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1307 |
|
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1308 |
/* |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1309 |
* At this point we've found a filesystem within our pool. Add |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1310 |
* it to our growing list. |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1311 |
*/ |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1312 |
if (used == alloc) { |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1313 |
if (alloc == 0) { |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1314 |
if ((mountpoints = zfs_alloc(hdl, |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1315 |
8 * sizeof (void *))) == NULL) |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1316 |
goto out; |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1317 |
|
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1318 |
if ((datasets = zfs_alloc(hdl, |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1319 |
8 * sizeof (void *))) == NULL) |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1320 |
goto out; |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1321 |
|
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1322 |
alloc = 8; |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1323 |
} else { |
2676 | 1324 |
void *ptr; |
2474
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1325 |
|
2676 | 1326 |
if ((ptr = zfs_realloc(hdl, mountpoints, |
1327 |
alloc * sizeof (void *), |
|
2474
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1328 |
alloc * 2 * sizeof (void *))) == NULL) |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1329 |
goto out; |
2676 | 1330 |
mountpoints = ptr; |
2474
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1331 |
|
2676 | 1332 |
if ((ptr = zfs_realloc(hdl, datasets, |
1333 |
alloc * sizeof (void *), |
|
2474
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1334 |
alloc * 2 * sizeof (void *))) == NULL) |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1335 |
goto out; |
2676 | 1336 |
datasets = ptr; |
2474
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1337 |
|
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1338 |
alloc *= 2; |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1339 |
} |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1340 |
} |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1341 |
|
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1342 |
if ((mountpoints[used] = zfs_strdup(hdl, |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1343 |
entry.mnt_mountp)) == NULL) |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1344 |
goto out; |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1345 |
|
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1346 |
/* |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1347 |
* This is allowed to fail, in case there is some I/O error. It |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1348 |
* is only used to determine if we need to remove the underlying |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1349 |
* mountpoint, so failure is not fatal. |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1350 |
*/ |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1351 |
datasets[used] = make_dataset_handle(hdl, entry.mnt_special); |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1352 |
|
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1353 |
used++; |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1354 |
} |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1355 |
|
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1356 |
/* |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1357 |
* At this point, we have the entire list of filesystems, so sort it by |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1358 |
* mountpoint. |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1359 |
*/ |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1360 |
qsort(mountpoints, used, sizeof (char *), mountpoint_compare); |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1361 |
|
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1362 |
/* |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1363 |
* Walk through and first unshare everything. |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1364 |
*/ |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1365 |
for (i = 0; i < used; i++) { |
5331 | 1366 |
zfs_share_proto_t *curr_proto; |
1367 |
for (curr_proto = share_all_proto; *curr_proto != PROTO_END; |
|
1368 |
curr_proto++) { |
|
1369 |
if (is_shared(hdl, mountpoints[i], *curr_proto) && |
|
1370 |
unshare_one(hdl, mountpoints[i], |
|
1371 |
mountpoints[i], *curr_proto) != 0) |
|
1372 |
goto out; |
|
1373 |
} |
|
2474
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1374 |
} |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1375 |
|
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1376 |
/* |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1377 |
* Now unmount everything, removing the underlying directories as |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1378 |
* appropriate. |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1379 |
*/ |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1380 |
for (i = 0; i < used; i++) { |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1381 |
if (unmount_one(hdl, mountpoints[i], flags) != 0) |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1382 |
goto out; |
2676 | 1383 |
} |
2474
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1384 |
|
2676 | 1385 |
for (i = 0; i < used; i++) { |
2474
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1386 |
if (datasets[i]) |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1387 |
remove_mountpoint(datasets[i]); |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1388 |
} |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1389 |
|
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1390 |
ret = 0; |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1391 |
out: |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1392 |
for (i = 0; i < used; i++) { |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1393 |
if (datasets[i]) |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1394 |
zfs_close(datasets[i]); |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1395 |
free(mountpoints[i]); |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1396 |
} |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1397 |
free(datasets); |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1398 |
free(mountpoints); |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1399 |
|
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1400 |
return (ret); |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2082
diff
changeset
|
1401 |
} |