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Illumos #3875

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3875 panic in zfs_root() after failed rollback
Reviewed by: Jerry Jelinek <jerry.jelinek@joyent.com>
Reviewed by: Matthew Ahrens <mahrens@delphix.com>
Approved by: Gordon Ross <gwr@nexenta.com>

References:
  https://www.illumos.org/issues/3875
  illumos/illumos-gate@91948b51b8

Ported-by: Richard Yao <ryao@gentoo.org>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Issue #1775
This commit is contained in:
Keith M Wesolowski
2013-07-27 10:50:07 -07:00
committed by Brian Behlendorf
parent 1958067629
commit 831baf06ef
8 changed files with 167 additions and 70 deletions
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include/sys/dsl_dataset.h
+2 -2
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@@ -248,7 +248,7 @@ void dsl_dataset_long_rele(dsl_dataset_t *ds, void *tag);
boolean_t dsl_dataset_long_held(dsl_dataset_t *ds);
int dsl_dataset_clone_swap_check_impl(dsl_dataset_t *clone,
dsl_dataset_t *origin_head, boolean_t force);
dsl_dataset_t *origin_head, boolean_t force, void *owner, dmu_tx_t *tx);
void dsl_dataset_clone_swap_sync_impl(dsl_dataset_t *clone,
dsl_dataset_t *origin_head, dmu_tx_t *tx);
int dsl_dataset_snapshot_check_impl(dsl_dataset_t *ds, const char *snapname,
@@ -265,7 +265,7 @@ int dsl_dataset_snap_lookup(dsl_dataset_t *ds, const char *name,
int dsl_dataset_snap_remove(dsl_dataset_t *ds, const char *name, dmu_tx_t *tx);
void dsl_dataset_set_refreservation_sync_impl(dsl_dataset_t *ds,
zprop_source_t source, uint64_t value, dmu_tx_t *tx);
int dsl_dataset_rollback(const char *fsname);
int dsl_dataset_rollback(const char *fsname, void *owner);
#ifdef ZFS_DEBUG
#define dprintf_ds(ds, fmt, ...) do { \