PSARC 2006/077 zpool clear PSARC 2006/139 FMA for ZFS 6284889 arc should replace the znode cache 6333006 DMU & DSL should not panic upon I/O error 6333092 concurrent reads to a file not scaling with number of readers 6338081 ZFS/FMA phase 1 6338386 need persistent error log 6341326 i/o error causes arc buf hash table corruption 6341639 zfs backup/restore should compute/verify checksum of backup stream 6348002 out of space due to changing properties 6354724 inaccurate error message from zfs restore 6354872 dmu_sync() blows predictive accounting 6355416 zpool scrubbing consumes all memory, system hung 6363995 df should only load libzfs when it encounters a ZFS filesystem 6366320 zfs backup/restore doesn't like signals 6368892 mount -m support needed for legacy mounts 6368902 boot archive fstat support needed for ZFS Mountroot 6369424 BFU complains when bfu'ing a ZFS root filesystem 6374062 mountroot support needed for ZFS 6376356 dirtying dbuf obj=43 lvl=0 blkid=0 but not tx_held 6378391 unused members of dmu_objset_stats_t 6378392 clean up zfs_cmd_t structure 6378685 buf_init should allocate its hash table more carefully 6378976 ziltest should be a first class citizen 6381086 zdb segfaults if there is a spa deferred-free bplist 6381203 deadlock due to i/o while assigning (tc_lock held) 6381209 freed space is not immediately available 6381344 'zpool clear' 6381345 FAULTED devices should really be UNAVAIL 6381346 import should mark devices as persistently unavailable 6383272 recursive mutex_enter() during log replay with zfs root 6386326 origin property is not displayed 6386354 libzfs does too much in its _init section, calls exit(1) 6386624 zpool should not complain about non-existent devices from libdiskmgt 6386910 spa needs to be i/o error hardened 6387735 need a mechanism to inject faults into ZFS 6387736 internal ZFS utilities should be placed in an ON-private package 6389928 libzfs should ship a lint library 6390609 malformed vdev config panics on zpool_create() 6390677 version number checking makes upgrades challenging 6390713 ztest hangs in zil_suspend() 6391873 metadata compression should be turned back on 6392113 ztest sometimes reports leaked blocks because ZIL isn't resilvered 6393004 minor memory leak in unique_insert()

     1

/*

     2

 * CDDL HEADER START

     3

 *

     4

 * The contents of this file are subject to the terms of the

     5

 * Common Development and Distribution License (the "License").

     6

 * You may not use this file except in compliance with the License.

     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

 */

    21

/*

    22

 * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.

    23

 * Use is subject to license terms.

    24

 */

    25

    26

#pragma ident	"%Z%%M%	%I%	%E% SMI"

    27

    28

#include <sys/zfs_context.h>

    29

#include <sys/spa.h>

    30

#include <sys/vdev_impl.h>

    31

#include <sys/zio.h>

    32

#include <sys/fs/zfs.h>

    33

    34

/*

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 * Virtual device vector for the pool's root vdev.

    36

 */

    37

    38

static int

    39

vdev_root_open(vdev_t *vd, uint64_t *asize, uint64_t *ashift)

    40

{

    41

	vdev_t *cvd;

    42

	int c, error;

    43

	int lasterror = 0;

    44

    45

	if (vd->vdev_children == 0) {

    46

		vd->vdev_stat.vs_aux = VDEV_AUX_BAD_LABEL;

    47

		return (EINVAL);

    48

	}

    49

    50

	for (c = 0; c < vd->vdev_children; c++) {

    51

		cvd = vd->vdev_child[c];

    52

    53

		if ((error = vdev_open(cvd)) != 0) {

    54

			lasterror = error;

    55

			continue;

    56

		}

    57

    58

		*asize += cvd->vdev_asize;

    59

		*ashift = MAX(*ashift, cvd->vdev_ashift);

    60

	}

    61

    62

	if (lasterror)

    63

		vd->vdev_stat.vs_aux = VDEV_AUX_NO_REPLICAS;

    64

    65

	return (lasterror);

    66

}

    67

    68

static void

    69

vdev_root_close(vdev_t *vd)

    70

{

    71

	int c;

    72

    73

	for (c = 0; c < vd->vdev_children; c++)

    74

		vdev_close(vd->vdev_child[c]);

    75

}

    76

    77

static void

    78

vdev_root_state_change(vdev_t *vd, int faulted, int degraded)

    79

{

    80

	if (faulted > 0)

    81

		vdev_set_state(vd, B_FALSE, VDEV_STATE_CANT_OPEN,

    82

		    VDEV_AUX_NO_REPLICAS);

    83

	else if (degraded != 0)

    84

		vdev_set_state(vd, B_FALSE, VDEV_STATE_DEGRADED, VDEV_AUX_NONE);

    85

	else

    86

		vdev_set_state(vd, B_FALSE, VDEV_STATE_HEALTHY, VDEV_AUX_NONE);

    87

}

    88

    89

vdev_ops_t vdev_root_ops = {

    90

	vdev_root_open,

    91

	vdev_root_close,

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	vdev_default_asize,

    93

	NULL,			/* io_start - not applicable to the root */

    94

	NULL,			/* io_done - not applicable to the root */

    95

	vdev_root_state_change,

    96

	VDEV_TYPE_ROOT,		/* name of this vdev type */

    97

	B_FALSE			/* not a leaf vdev */

    98

};