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Fix vd_path and error in spa_vdev_remove()

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Make a local copy of the vd_path and preserve the removal error
for use in spa_history_log_internal().  This is required because
after spa_vdev_exit() there is nothing preventing the vdev state
from changing.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Tom Caputi <tcaputi@datto.com>
Signed-off-by: Igor Kozhukhov <igor@dilos.org>
Closes #8522
This commit is contained in:
Igor K 2019-03-22 23:25:07 +03:00 committed by Brian Behlendorf
parent 234234ca4d
commit c048ddaf33
1 changed files with 12 additions and 5 deletions
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17
module/zfs/vdev_removal.c
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@ -2101,10 +2101,10 @@ spa_vdev_remove(spa_t *spa, uint64_t guid, boolean_t unspare)
nvlist_t **spares, **l2cache, *nv; nvlist_t **spares, **l2cache, *nv;
uint64_t txg = 0; uint64_t txg = 0;
uint_t nspares, nl2cache; uint_t nspares, nl2cache;
int error = 0; int error = 0, error_log;
boolean_t locked = MUTEX_HELD(&spa_namespace_lock); boolean_t locked = MUTEX_HELD(&spa_namespace_lock);
sysevent_t *ev = NULL; sysevent_t *ev = NULL;
char *vd_type = NULL, *vd_path = NULL; char *vd_type = NULL, *vd_path = NULL, *vd_path_log = NULL;
ASSERT(spa_writeable(spa)); ASSERT(spa_writeable(spa));
@ -2164,7 +2164,7 @@ spa_vdev_remove(spa_t *spa, uint64_t guid, boolean_t unspare)
spa->spa_l2cache.sav_sync = B_TRUE; spa->spa_l2cache.sav_sync = B_TRUE;
} else if (vd != NULL && vd->vdev_islog) { } else if (vd != NULL && vd->vdev_islog) {
ASSERT(!locked); ASSERT(!locked);
vd_type = "log"; vd_type = VDEV_TYPE_LOG;
vd_path = (vd->vdev_path != NULL) ? vd->vdev_path : "-"; vd_path = (vd->vdev_path != NULL) ? vd->vdev_path : "-";
error = spa_vdev_remove_log(vd, &txg); error = spa_vdev_remove_log(vd, &txg);
} else if (vd != NULL) { } else if (vd != NULL) {
@ -2177,6 +2177,11 @@ spa_vdev_remove(spa_t *spa, uint64_t guid, boolean_t unspare)
error = SET_ERROR(ENOENT); error = SET_ERROR(ENOENT);
} }
if (vd_path != NULL)
vd_path_log = spa_strdup(vd_path);
error_log = error;
if (!locked) if (!locked)
error = spa_vdev_exit(spa, NULL, txg, error); error = spa_vdev_exit(spa, NULL, txg, error);
@ -2187,10 +2192,12 @@ spa_vdev_remove(spa_t *spa, uint64_t guid, boolean_t unspare)
* Doing that would prevent the txg sync from actually happening, * Doing that would prevent the txg sync from actually happening,
* causing a deadlock. * causing a deadlock.
*/ */
if (error == 0 && vd_type != NULL && vd_path != NULL) { if (error_log == 0 && vd_type != NULL && vd_path_log != NULL) {
spa_history_log_internal(spa, "vdev remove", NULL, spa_history_log_internal(spa, "vdev remove", NULL,
"%s vdev (%s) %s", spa_name(spa), vd_type, vd_path); "%s vdev (%s) %s", spa_name(spa), vd_type, vd_path_log);
} }
if (vd_path_log != NULL)
spa_strfree(vd_path_log);
if (ev != NULL) if (ev != NULL)
spa_event_post(ev); spa_event_post(ev);