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Rebase master to b117

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This commit is contained in:
Brian Behlendorf
2009-07-02 15:44:48 -07:00
parent d164b20935
commit 9babb37438
103 changed files with 7629 additions and 4093 deletions
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module/zfs/vdev.c
+235 -128
View File
@@ -39,6 +39,7 @@
#include <sys/zap.h>
#include <sys/fs/zfs.h>
#include <sys/arc.h>
#include <sys/zil.h>
/*
* Virtual device management.
@@ -83,9 +84,8 @@ vdev_default_asize(vdev_t *vd, uint64_t psize)
{
uint64_t asize = P2ROUNDUP(psize, 1ULL << vd->vdev_top->vdev_ashift);
uint64_t csize;
uint64_t c;
for (c = 0; c < vd->vdev_children; c++) {
for (int c = 0; c < vd->vdev_children; c++) {
csize = vdev_psize_to_asize(vd->vdev_child[c], psize);
asize = MAX(asize, csize);
}
@@ -94,40 +94,47 @@ vdev_default_asize(vdev_t *vd, uint64_t psize)
}
/*
* Get the replaceable or attachable device size.
* If the parent is a mirror or raidz, the replaceable size is the minimum
* psize of all its children. For the rest, just return our own psize.
*
* e.g.
* psize rsize
* root - -
* mirror/raidz - -
* disk1 20g 20g
* disk2 40g 20g
* disk3 80g 80g
* Get the minimum allocatable size. We define the allocatable size as
* the vdev's asize rounded to the nearest metaslab. This allows us to
* replace or attach devices which don't have the same physical size but
* can still satisfy the same number of allocations.
*/
uint64_t
vdev_get_rsize(vdev_t *vd)
vdev_get_min_asize(vdev_t *vd)
{
vdev_t *pvd, *cvd;
uint64_t c, rsize;
pvd = vd->vdev_parent;
vdev_t *pvd = vd->vdev_parent;
/*
* If our parent is NULL or the root, just return our own psize.
* The our parent is NULL (inactive spare or cache) or is the root,
* just return our own asize.
*/
if (pvd == NULL || pvd->vdev_parent == NULL)
return (vd->vdev_psize);
if (pvd == NULL)
return (vd->vdev_asize);
rsize = 0;
/*
* The top-level vdev just returns the allocatable size rounded
* to the nearest metaslab.
*/
if (vd == vd->vdev_top)
return (P2ALIGN(vd->vdev_asize, 1ULL << vd->vdev_ms_shift));
for (c = 0; c < pvd->vdev_children; c++) {
cvd = pvd->vdev_child[c];
rsize = MIN(rsize - 1, cvd->vdev_psize - 1) + 1;
}
/*
* The allocatable space for a raidz vdev is N * sizeof(smallest child),
* so each child must provide at least 1/Nth of its asize.
*/
if (pvd->vdev_ops == &vdev_raidz_ops)
return (pvd->vdev_min_asize / pvd->vdev_children);
return (rsize);
return (pvd->vdev_min_asize);
}
void
vdev_set_min_asize(vdev_t *vd)
{
vd->vdev_min_asize = vdev_get_min_asize(vd);
for (int c = 0; c < vd->vdev_children; c++)
vdev_set_min_asize(vd->vdev_child[c]);
}
vdev_t *
@@ -148,13 +155,12 @@ vdev_lookup_top(spa_t *spa, uint64_t vdev)
vdev_t *
vdev_lookup_by_guid(vdev_t *vd, uint64_t guid)
{
int c;
vdev_t *mvd;
if (vd->vdev_guid == guid)
return (vd);
for (c = 0; c < vd->vdev_children; c++)
for (int c = 0; c < vd->vdev_children; c++)
if ((mvd = vdev_lookup_by_guid(vd->vdev_child[c], guid)) !=
NULL)
return (mvd);
@@ -250,17 +256,17 @@ vdev_compact_children(vdev_t *pvd)
{
vdev_t **newchild, *cvd;
int oldc = pvd->vdev_children;
int newc, c;
int newc;
ASSERT(spa_config_held(pvd->vdev_spa, SCL_ALL, RW_WRITER) == SCL_ALL);
for (c = newc = 0; c < oldc; c++)
for (int c = newc = 0; c < oldc; c++)
if (pvd->vdev_child[c])
newc++;
newchild = kmem_alloc(newc * sizeof (vdev_t *), KM_SLEEP);
for (c = newc = 0; c < oldc; c++) {
for (int c = newc = 0; c < oldc; c++) {
if ((cvd = pvd->vdev_child[c]) != NULL) {
newchild[newc] = cvd;
cvd->vdev_id = newc++;
@@ -372,6 +378,9 @@ vdev_alloc(spa_t *spa, vdev_t **vdp, nvlist_t *nv, vdev_t *parent, uint_t id,
} else if (alloctype == VDEV_ALLOC_L2CACHE) {
if (nvlist_lookup_uint64(nv, ZPOOL_CONFIG_GUID, &guid) != 0)
return (EINVAL);
} else if (alloctype == VDEV_ALLOC_ROOTPOOL) {
if (nvlist_lookup_uint64(nv, ZPOOL_CONFIG_GUID, &guid) != 0)
return (EINVAL);
}
/*
@@ -435,6 +444,8 @@ vdev_alloc(spa_t *spa, vdev_t **vdp, nvlist_t *nv, vdev_t *parent, uint_t id,
if (nvlist_lookup_string(nv, ZPOOL_CONFIG_PHYS_PATH,
&vd->vdev_physpath) == 0)
vd->vdev_physpath = spa_strdup(vd->vdev_physpath);
if (nvlist_lookup_string(nv, ZPOOL_CONFIG_FRU, &vd->vdev_fru) == 0)
vd->vdev_fru = spa_strdup(vd->vdev_fru);
/*
* Set the whole_disk property. If it's not specified, leave the value
@@ -448,9 +459,8 @@ vdev_alloc(spa_t *spa, vdev_t **vdp, nvlist_t *nv, vdev_t *parent, uint_t id,
* Look for the 'not present' flag. This will only be set if the device
* was not present at the time of import.
*/
if (!spa->spa_import_faulted)
(void) nvlist_lookup_uint64(nv, ZPOOL_CONFIG_NOT_PRESENT,
&vd->vdev_not_present);
(void) nvlist_lookup_uint64(nv, ZPOOL_CONFIG_NOT_PRESENT,
&vd->vdev_not_present);
/*
* Get the alignment requirement.
@@ -473,13 +483,23 @@ vdev_alloc(spa_t *spa, vdev_t **vdp, nvlist_t *nv, vdev_t *parent, uint_t id,
* If we're a leaf vdev, try to load the DTL object and other state.
*/
if (vd->vdev_ops->vdev_op_leaf &&
(alloctype == VDEV_ALLOC_LOAD || alloctype == VDEV_ALLOC_L2CACHE)) {
(alloctype == VDEV_ALLOC_LOAD || alloctype == VDEV_ALLOC_L2CACHE ||
alloctype == VDEV_ALLOC_ROOTPOOL)) {
if (alloctype == VDEV_ALLOC_LOAD) {
(void) nvlist_lookup_uint64(nv, ZPOOL_CONFIG_DTL,
&vd->vdev_dtl_smo.smo_object);
(void) nvlist_lookup_uint64(nv, ZPOOL_CONFIG_UNSPARE,
&vd->vdev_unspare);
}
if (alloctype == VDEV_ALLOC_ROOTPOOL) {
uint64_t spare = 0;
if (nvlist_lookup_uint64(nv, ZPOOL_CONFIG_IS_SPARE,
&spare) == 0 && spare)
spa_spare_add(vd);
}
(void) nvlist_lookup_uint64(nv, ZPOOL_CONFIG_OFFLINE,
&vd->vdev_offline);
@@ -511,7 +531,6 @@ vdev_alloc(spa_t *spa, vdev_t **vdp, nvlist_t *nv, vdev_t *parent, uint_t id,
void
vdev_free(vdev_t *vd)
{
int c;
spa_t *spa = vd->vdev_spa;
/*
@@ -525,7 +544,7 @@ vdev_free(vdev_t *vd)
/*
* Free all children.
*/
for (c = 0; c < vd->vdev_children; c++)
for (int c = 0; c < vd->vdev_children; c++)
vdev_free(vd->vdev_child[c]);
ASSERT(vd->vdev_child == NULL);
@@ -560,6 +579,8 @@ vdev_free(vdev_t *vd)
spa_strfree(vd->vdev_devid);
if (vd->vdev_physpath)
spa_strfree(vd->vdev_physpath);
if (vd->vdev_fru)
spa_strfree(vd->vdev_fru);
if (vd->vdev_isspare)
spa_spare_remove(vd);
@@ -653,14 +674,12 @@ vdev_top_transfer(vdev_t *svd, vdev_t *tvd)
static void
vdev_top_update(vdev_t *tvd, vdev_t *vd)
{
int c;
if (vd == NULL)
return;
vd->vdev_top = tvd;
for (c = 0; c < vd->vdev_children; c++)
for (int c = 0; c < vd->vdev_children; c++)
vdev_top_update(tvd, vd->vdev_child[c]);
}
@@ -679,6 +698,7 @@ vdev_add_parent(vdev_t *cvd, vdev_ops_t *ops)
mvd = vdev_alloc_common(spa, cvd->vdev_id, 0, ops);
mvd->vdev_asize = cvd->vdev_asize;
mvd->vdev_min_asize = cvd->vdev_min_asize;
mvd->vdev_ashift = cvd->vdev_ashift;
mvd->vdev_state = cvd->vdev_state;
@@ -751,6 +771,15 @@ vdev_metaslab_init(vdev_t *vd, uint64_t txg)
if (vd->vdev_ms_shift == 0) /* not being allocated from yet */
return (0);
/*
* Compute the raidz-deflation ratio. Note, we hard-code
* in 128k (1 << 17) because it is the current "typical" blocksize.
* Even if SPA_MAXBLOCKSIZE changes, this algorithm must never change,
* or we will inconsistently account for existing bp's.
*/
vd->vdev_deflate_ratio = (1 << 17) /
(vdev_psize_to_asize(vd, 1 << 17) >> SPA_MINBLOCKSHIFT);
ASSERT(oldc <= newc);
if (vd->vdev_islog)
@@ -776,7 +805,8 @@ vdev_metaslab_init(vdev_t *vd, uint64_t txg)
if (txg == 0) {
uint64_t object = 0;
error = dmu_read(mos, vd->vdev_ms_array,
m * sizeof (uint64_t), sizeof (uint64_t), &object);
m * sizeof (uint64_t), sizeof (uint64_t), &object,
DMU_READ_PREFETCH);
if (error)
return (error);
if (object != 0) {
@@ -903,7 +933,7 @@ vdev_probe(vdev_t *vd, zio_t *zio)
vps->vps_flags = ZIO_FLAG_CANFAIL | ZIO_FLAG_PROBE |
ZIO_FLAG_DONT_CACHE | ZIO_FLAG_DONT_AGGREGATE |
ZIO_FLAG_DONT_RETRY;
ZIO_FLAG_TRYHARD;
if (spa_config_held(spa, SCL_ZIO, RW_WRITER)) {
/*
@@ -950,8 +980,8 @@ vdev_probe(vdev_t *vd, zio_t *zio)
for (int l = 1; l < VDEV_LABELS; l++) {
zio_nowait(zio_read_phys(pio, vd,
vdev_label_offset(vd->vdev_psize, l,
offsetof(vdev_label_t, vl_pad)),
VDEV_SKIP_SIZE, zio_buf_alloc(VDEV_SKIP_SIZE),
offsetof(vdev_label_t, vl_pad2)),
VDEV_PAD_SIZE, zio_buf_alloc(VDEV_PAD_SIZE),
ZIO_CHECKSUM_OFF, vdev_probe_done, vps,
ZIO_PRIORITY_SYNC_READ, vps->vps_flags, B_TRUE));
}
@@ -971,7 +1001,6 @@ vdev_open(vdev_t *vd)
{
spa_t *spa = vd->vdev_spa;
int error;
int c;
uint64_t osize = 0;
uint64_t asize, psize;
uint64_t ashift = 0;
@@ -983,6 +1012,9 @@ vdev_open(vdev_t *vd)
vd->vdev_state == VDEV_STATE_OFFLINE);
vd->vdev_stat.vs_aux = VDEV_AUX_NONE;
vd->vdev_cant_read = B_FALSE;
vd->vdev_cant_write = B_FALSE;
vd->vdev_min_asize = vdev_get_min_asize(vd);
if (!vd->vdev_removed && vd->vdev_faulted) {
ASSERT(vd->vdev_children == 0);
@@ -998,7 +1030,7 @@ vdev_open(vdev_t *vd)
error = vd->vdev_ops->vdev_op_open(vd, &osize, &ashift);
if (zio_injection_enabled && error == 0)
error = zio_handle_device_injection(vd, ENXIO);
error = zio_handle_device_injection(vd, NULL, ENXIO);
if (error) {
if (vd->vdev_removed &&
@@ -1020,12 +1052,13 @@ vdev_open(vdev_t *vd)
vd->vdev_state = VDEV_STATE_HEALTHY;
}
for (c = 0; c < vd->vdev_children; c++)
for (int c = 0; c < vd->vdev_children; c++) {
if (vd->vdev_child[c]->vdev_state != VDEV_STATE_HEALTHY) {
vdev_set_state(vd, B_TRUE, VDEV_STATE_DEGRADED,
VDEV_AUX_NONE);
break;
}
}
osize = P2ALIGN(osize, (uint64_t)sizeof (vdev_label_t));
@@ -1050,6 +1083,15 @@ vdev_open(vdev_t *vd)
vd->vdev_psize = psize;
/*
* Make sure the allocatable size hasn't shrunk.
*/
if (asize < vd->vdev_min_asize) {
vdev_set_state(vd, B_TRUE, VDEV_STATE_CANT_OPEN,
VDEV_AUX_BAD_LABEL);
return (EINVAL);
}
if (vd->vdev_asize == 0) {
/*
* This is the first-ever open, so use the computed values.
@@ -1066,26 +1108,19 @@ vdev_open(vdev_t *vd)
VDEV_AUX_BAD_LABEL);
return (EINVAL);
}
/*
* Make sure the device hasn't shrunk.
*/
if (asize < vd->vdev_asize) {
vdev_set_state(vd, B_TRUE, VDEV_STATE_CANT_OPEN,
VDEV_AUX_BAD_LABEL);
return (EINVAL);
}
/*
* If all children are healthy and the asize has increased,
* then we've experienced dynamic LUN growth.
*/
if (vd->vdev_state == VDEV_STATE_HEALTHY &&
asize > vd->vdev_asize) {
vd->vdev_asize = asize;
}
}
/*
* If all children are healthy and the asize has increased,
* then we've experienced dynamic LUN growth. If automatic
* expansion is enabled then use the additional space.
*/
if (vd->vdev_state == VDEV_STATE_HEALTHY && asize > vd->vdev_asize &&
(vd->vdev_expanding || spa->spa_autoexpand))
vd->vdev_asize = asize;
vdev_set_min_asize(vd);
/*
* Ensure we can issue some IO before declaring the
* vdev open for business.
@@ -1097,18 +1132,6 @@ vdev_open(vdev_t *vd)
return (error);
}
/*
* If this is a top-level vdev, compute the raidz-deflation
* ratio. Note, we hard-code in 128k (1<<17) because it is the
* current "typical" blocksize. Even if SPA_MAXBLOCKSIZE
* changes, this algorithm must never change, or we will
* inconsistently account for existing bp's.
*/
if (vd->vdev_top == vd) {
vd->vdev_deflate_ratio = (1<<17) /
(vdev_psize_to_asize(vd, 1<<17) >> SPA_MINBLOCKSHIFT);
}
/*
* If a leaf vdev has a DTL, and seems healthy, then kick off a
* resilver. But don't do this if we are doing a reopen for a scrub,
@@ -1135,12 +1158,11 @@ int
vdev_validate(vdev_t *vd)
{
spa_t *spa = vd->vdev_spa;
int c;
nvlist_t *label;
uint64_t guid, top_guid;
uint64_t state;
for (c = 0; c < vd->vdev_children; c++)
for (int c = 0; c < vd->vdev_children; c++)
if (vdev_validate(vd->vdev_child[c]) != 0)
return (EBADF);
@@ -1226,7 +1248,7 @@ vdev_close(vdev_t *vd)
vdev_cache_purge(vd);
/*
* We record the previous state before we close it, so that if we are
* We record the previous state before we close it, so that if we are
* doing a reopen(), we don't generate FMA ereports if we notice that
* it's still faulted.
*/
@@ -1257,12 +1279,9 @@ vdev_reopen(vdev_t *vd)
if (vd->vdev_aux) {
(void) vdev_validate_aux(vd);
if (vdev_readable(vd) && vdev_writeable(vd) &&
!l2arc_vdev_present(vd)) {
uint64_t size = vdev_get_rsize(vd);
l2arc_add_vdev(spa, vd,
VDEV_LABEL_START_SIZE,
size - VDEV_LABEL_START_SIZE);
}
vd->vdev_aux == &spa->spa_l2cache &&
!l2arc_vdev_present(vd))
l2arc_add_vdev(spa, vd);
} else {
(void) vdev_validate(vd);
}
@@ -1302,26 +1321,14 @@ vdev_create(vdev_t *vd, uint64_t txg, boolean_t isreplacing)
return (0);
}
/*
* The is the latter half of vdev_create(). It is distinct because it
* involves initiating transactions in order to do metaslab creation.
* For creation, we want to try to create all vdevs at once and then undo it
* if anything fails; this is much harder if we have pending transactions.
*/
void
vdev_init(vdev_t *vd, uint64_t txg)
vdev_metaslab_set_size(vdev_t *vd)
{
/*
* Aim for roughly 200 metaslabs per vdev.
*/
vd->vdev_ms_shift = highbit(vd->vdev_asize / 200);
vd->vdev_ms_shift = MAX(vd->vdev_ms_shift, SPA_MAXBLOCKSHIFT);
/*
* Initialize the vdev's metaslabs. This can't fail because
* there's nothing to read when creating all new metaslabs.
*/
VERIFY(vdev_metaslab_init(vd, txg) == 0);
}
void
@@ -1879,7 +1886,7 @@ vdev_degrade(spa_t *spa, uint64_t guid)
int
vdev_online(spa_t *spa, uint64_t guid, uint64_t flags, vdev_state_t *newstate)
{
vdev_t *vd;
vdev_t *vd, *tvd, *pvd, *rvd = spa->spa_root_vdev;
spa_vdev_state_enter(spa);
@@ -1889,13 +1896,26 @@ vdev_online(spa_t *spa, uint64_t guid, uint64_t flags, vdev_state_t *newstate)
if (!vd->vdev_ops->vdev_op_leaf)
return (spa_vdev_state_exit(spa, NULL, ENOTSUP));
tvd = vd->vdev_top;
vd->vdev_offline = B_FALSE;
vd->vdev_tmpoffline = B_FALSE;
vd->vdev_checkremove = !!(flags & ZFS_ONLINE_CHECKREMOVE);
vd->vdev_forcefault = !!(flags & ZFS_ONLINE_FORCEFAULT);
vdev_reopen(vd->vdev_top);
/* XXX - L2ARC 1.0 does not support expansion */
if (!vd->vdev_aux) {
for (pvd = vd; pvd != rvd; pvd = pvd->vdev_parent)
pvd->vdev_expanding = !!(flags & ZFS_ONLINE_EXPAND);
}
vdev_reopen(tvd);
vd->vdev_checkremove = vd->vdev_forcefault = B_FALSE;
if (!vd->vdev_aux) {
for (pvd = vd; pvd != rvd; pvd = pvd->vdev_parent)
pvd->vdev_expanding = B_FALSE;
}
if (newstate)
*newstate = vd->vdev_state;
if ((flags & ZFS_ONLINE_UNSPARE) &&
@@ -1904,13 +1924,21 @@ vdev_online(spa_t *spa, uint64_t guid, uint64_t flags, vdev_state_t *newstate)
vd->vdev_parent->vdev_child[0] == vd)
vd->vdev_unspare = B_TRUE;
if ((flags & ZFS_ONLINE_EXPAND) || spa->spa_autoexpand) {
/* XXX - L2ARC 1.0 does not support expansion */
if (vd->vdev_aux)
return (spa_vdev_state_exit(spa, vd, ENOTSUP));
spa_async_request(spa, SPA_ASYNC_CONFIG_UPDATE);
}
return (spa_vdev_state_exit(spa, vd, 0));
}
int
vdev_offline(spa_t *spa, uint64_t guid, uint64_t flags)
{
vdev_t *vd;
vdev_t *vd, *tvd;
int error;
spa_vdev_state_enter(spa);
@@ -1920,34 +1948,58 @@ vdev_offline(spa_t *spa, uint64_t guid, uint64_t flags)
if (!vd->vdev_ops->vdev_op_leaf)
return (spa_vdev_state_exit(spa, NULL, ENOTSUP));
tvd = vd->vdev_top;
/*
* If the device isn't already offline, try to offline it.
*/
if (!vd->vdev_offline) {
/*
* If this device has the only valid copy of some data,
* don't allow it to be offlined.
* don't allow it to be offlined. Log devices are always
* expendable.
*/
if (vd->vdev_aux == NULL && vdev_dtl_required(vd))
if (!tvd->vdev_islog && vd->vdev_aux == NULL &&
vdev_dtl_required(vd))
return (spa_vdev_state_exit(spa, NULL, EBUSY));
/*
* Offline this device and reopen its top-level vdev.
* If this action results in the top-level vdev becoming
* unusable, undo it and fail the request.
* If the top-level vdev is a log device then just offline
* it. Otherwise, if this action results in the top-level
* vdev becoming unusable, undo it and fail the request.
*/
vd->vdev_offline = B_TRUE;
vdev_reopen(vd->vdev_top);
if (vd->vdev_aux == NULL && vdev_is_dead(vd->vdev_top)) {
vdev_reopen(tvd);
if (!tvd->vdev_islog && vd->vdev_aux == NULL &&
vdev_is_dead(tvd)) {
vd->vdev_offline = B_FALSE;
vdev_reopen(vd->vdev_top);
vdev_reopen(tvd);
return (spa_vdev_state_exit(spa, NULL, EBUSY));
}
}
vd->vdev_tmpoffline = !!(flags & ZFS_OFFLINE_TEMPORARY);
return (spa_vdev_state_exit(spa, vd, 0));
if (!tvd->vdev_islog || !vdev_is_dead(tvd))
return (spa_vdev_state_exit(spa, vd, 0));
(void) spa_vdev_state_exit(spa, vd, 0);
error = dmu_objset_find(spa_name(spa), zil_vdev_offline,
NULL, DS_FIND_CHILDREN);
if (error) {
(void) vdev_online(spa, guid, 0, NULL);
return (error);
}
/*
* If we successfully offlined the log device then we need to
* sync out the current txg so that the "stubby" block can be
* removed by zil_sync().
*/
txg_wait_synced(spa->spa_dsl_pool, 0);
return (0);
}
/*
@@ -2062,7 +2114,9 @@ vdev_get_stats(vdev_t *vd, vdev_stat_t *vs)
vs->vs_scrub_errors = vd->vdev_spa->spa_scrub_errors;
vs->vs_timestamp = gethrtime() - vs->vs_timestamp;
vs->vs_state = vd->vdev_state;
vs->vs_rsize = vdev_get_rsize(vd);
vs->vs_rsize = vdev_get_min_asize(vd);
if (vd->vdev_ops->vdev_op_leaf)
vs->vs_rsize += VDEV_LABEL_START_SIZE + VDEV_LABEL_END_SIZE;
mutex_exit(&vd->vdev_stat_lock);
/*
@@ -2155,14 +2209,24 @@ vdev_stat_update(zio_t *zio, uint64_t psize)
if (flags & ZIO_FLAG_SPECULATIVE)
return;
/*
* If this is an I/O error that is going to be retried, then ignore the
* error. Otherwise, the user may interpret B_FAILFAST I/O errors as
* hard errors, when in reality they can happen for any number of
* innocuous reasons (bus resets, MPxIO link failure, etc).
*/
if (zio->io_error == EIO &&
!(zio->io_flags & ZIO_FLAG_IO_RETRY))
return;
mutex_enter(&vd->vdev_stat_lock);
if (type == ZIO_TYPE_READ) {
if (type == ZIO_TYPE_READ && !vdev_is_dead(vd)) {
if (zio->io_error == ECKSUM)
vs->vs_checksum_errors++;
else
vs->vs_read_errors++;
}
if (type == ZIO_TYPE_WRITE)
if (type == ZIO_TYPE_WRITE && !vdev_is_dead(vd))
vs->vs_write_errors++;
mutex_exit(&vd->vdev_stat_lock);
@@ -2205,10 +2269,9 @@ vdev_stat_update(zio_t *zio, uint64_t psize)
void
vdev_scrub_stat_update(vdev_t *vd, pool_scrub_type_t type, boolean_t complete)
{
int c;
vdev_stat_t *vs = &vd->vdev_stat;
for (c = 0; c < vd->vdev_children; c++)
for (int c = 0; c < vd->vdev_children; c++)
vdev_scrub_stat_update(vd->vdev_child[c], type, complete);
mutex_enter(&vd->vdev_stat_lock);
@@ -2252,6 +2315,7 @@ vdev_space_update(vdev_t *vd, int64_t space_delta, int64_t alloc_delta,
* childrens', thus not accurate enough for us.
*/
ASSERT((dspace_delta & (SPA_MINBLOCKSIZE-1)) == 0);
ASSERT(vd->vdev_deflate_ratio != 0 || vd->vdev_isl2cache);
dspace_delta = (dspace_delta >> SPA_MINBLOCKSHIFT) *
vd->vdev_deflate_ratio;
@@ -2293,8 +2357,8 @@ vdev_config_dirty(vdev_t *vd)
int c;
/*
* If this is an aux vdev (as with l2cache devices), then we update the
* vdev config manually and set the sync flag.
* If this is an aux vdev (as with l2cache and spare devices), then we
* update the vdev config manually and set the sync flag.
*/
if (vd->vdev_aux != NULL) {
spa_aux_vdev_t *sav = vd->vdev_aux;
@@ -2316,8 +2380,11 @@ vdev_config_dirty(vdev_t *vd)
sav->sav_sync = B_TRUE;
VERIFY(nvlist_lookup_nvlist_array(sav->sav_config,
ZPOOL_CONFIG_L2CACHE, &aux, &naux) == 0);
if (nvlist_lookup_nvlist_array(sav->sav_config,
ZPOOL_CONFIG_L2CACHE, &aux, &naux) != 0) {
VERIFY(nvlist_lookup_nvlist_array(sav->sav_config,
ZPOOL_CONFIG_SPARES, &aux, &naux) == 0);
}
ASSERT(c < naux);
@@ -2415,11 +2482,10 @@ vdev_propagate_state(vdev_t *vd)
vdev_t *rvd = spa->spa_root_vdev;
int degraded = 0, faulted = 0;
int corrupted = 0;
int c;
vdev_t *child;
if (vd->vdev_children > 0) {
for (c = 0; c < vd->vdev_children; c++) {
for (int c = 0; c < vd->vdev_children; c++) {
child = vd->vdev_child[c];
if (!vdev_readable(child) ||
@@ -2523,7 +2589,6 @@ vdev_set_state(vdev_t *vd, boolean_t isopen, vdev_state_t state, vdev_aux_t aux)
* an error.
*/
if (spa->spa_load_state == SPA_LOAD_IMPORT &&
!spa->spa_import_faulted &&
vd->vdev_ops->vdev_op_leaf)
vd->vdev_not_present = 1;
@@ -2582,8 +2647,8 @@ vdev_set_state(vdev_t *vd, boolean_t isopen, vdev_state_t state, vdev_aux_t aux)
vd->vdev_removed = B_FALSE;
}
if (!isopen)
vdev_propagate_state(vd);
if (!isopen && vd->vdev_parent)
vdev_propagate_state(vd->vdev_parent);
}
/*
@@ -2595,8 +2660,6 @@ vdev_set_state(vdev_t *vd, boolean_t isopen, vdev_state_t state, vdev_aux_t aux)
boolean_t
vdev_is_bootable(vdev_t *vd)
{
int c;
if (!vd->vdev_ops->vdev_op_leaf) {
char *vdev_type = vd->vdev_ops->vdev_op_type;
@@ -2611,9 +2674,53 @@ vdev_is_bootable(vdev_t *vd)
return (B_FALSE);
}
for (c = 0; c < vd->vdev_children; c++) {
for (int c = 0; c < vd->vdev_children; c++) {
if (!vdev_is_bootable(vd->vdev_child[c]))
return (B_FALSE);
}
return (B_TRUE);
}
void
vdev_load_log_state(vdev_t *vd, nvlist_t *nv)
{
uint_t children;
nvlist_t **child;
uint64_t val;
spa_t *spa = vd->vdev_spa;
if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN,
&child, &children) == 0) {
for (int c = 0; c < children; c++)
vdev_load_log_state(vd->vdev_child[c], child[c]);
}
if (vd->vdev_ops->vdev_op_leaf && nvlist_lookup_uint64(nv,
ZPOOL_CONFIG_OFFLINE, &val) == 0 && val) {
/*
* It would be nice to call vdev_offline()
* directly but the pool isn't fully loaded and
* the txg threads have not been started yet.
*/
spa_config_enter(spa, SCL_STATE_ALL, FTAG, RW_WRITER);
vd->vdev_offline = val;
vdev_reopen(vd->vdev_top);
spa_config_exit(spa, SCL_STATE_ALL, FTAG);
}
}
/*
* Expand a vdev if possible.
*/
void
vdev_expand(vdev_t *vd, uint64_t txg)
{
ASSERT(vd->vdev_top == vd);
ASSERT(spa_config_held(vd->vdev_spa, SCL_ALL, RW_WRITER) == SCL_ALL);
if ((vd->vdev_asize >> vd->vdev_ms_shift) > vd->vdev_ms_count) {
VERIFY(vdev_metaslab_init(vd, txg) == 0);
vdev_config_dirty(vd);
}
}