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Illumos 5630 - stale bonus buffer in recycled dnode_t leads to data corruption

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5630 stale bonus buffer in recycled dnode_t leads to data corruption
Author: Justin T. Gibbs <justing@spectralogic.com>
Reviewed by: Matthew Ahrens <mahrens@delphix.com>
Reviewed by: George Wilson <george@delphix.com>
Reviewed by: Will Andrews <will@freebsd.org>
Approved by: Robert Mustacchi <rm@joyent.com>

References:
  https://www.illumos.org/issues/5630
  https://github.com/illumos/illumos-gate/commit/cd485b4

Ported-by: Chris Dunlop <chris@onthe.net.au>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Richard Yao <ryao@gentoo.org>
Issue #3172
This commit is contained in:
Justin T. Gibbs
2015-03-12 11:10:35 +11:00
committed by Brian Behlendorf
parent 73ad4a9f3c
commit 4c7b7eedcd
4 changed files with 65 additions and 12 deletions
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include/sys/dnode.h
+2
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@@ -290,6 +290,7 @@ int dnode_hold_impl(struct objset *dd, uint64_t object, int flag,
void *ref, dnode_t **dnp);
boolean_t dnode_add_ref(dnode_t *dn, void *ref);
void dnode_rele(dnode_t *dn, void *ref);
void dnode_rele_and_unlock(dnode_t *dn, void *tag);
void dnode_setdirty(dnode_t *dn, dmu_tx_t *tx);
void dnode_sync(dnode_t *dn, dmu_tx_t *tx);
void dnode_allocate(dnode_t *dn, dmu_object_type_t ot, int blocksize, int ibs,
@@ -311,6 +312,7 @@ void dnode_fini(void);
int dnode_next_offset(dnode_t *dn, int flags, uint64_t *off,
int minlvl, uint64_t blkfill, uint64_t txg);
void dnode_evict_dbufs(dnode_t *dn);
void dnode_evict_bonus(dnode_t *dn);
#ifdef ZFS_DEBUG