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mirror_zfs/module/zfs
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Brian Behlendorf 5dc6af0eec Add zio_ddt_free()+ddt_phys_decref() error handling 
The assumption in zio_ddt_free() is that ddt_phys_select() must
always find a match.  However, if that fails due to a damaged
DDT or some other reason the code will NULL dereference in
ddt_phys_decref().

While this should never happen it has been observed on various
platforms.  The result is that unless your willing to patch the
ZFS code the pool is inaccessible.  Therefore, we're choosing
to more gracefully handle this case rather than leave it fatal.

http://mail.opensolaris.org/pipermail/zfs-discuss/2012-February/050972.html

Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #1308
2013-03-19 13:01:01 -07:00
..
arc.c Constify structures containing function pointers 2013-03-04 08:49:32 -08:00
bplist.c Switch KM_SLEEP to KM_PUSHPAGE 2012-08-27 12:01:37 -07:00
bpobj.c Illumos #3104: eliminate empty bpobjs 2013-01-08 10:35:43 -08:00
bptree.c Illumos #2619 and #2747 2013-01-08 10:35:35 -08:00
dbuf.c Illumos #3145, #3212 2013-01-08 10:35:44 -08:00
ddt_zap.c Add ddt_object_count() error handling 2012-10-29 08:57:45 -07:00
ddt.c Add zio_ddt_free()+ddt_phys_decref() error handling 2013-03-19 13:01:01 -07:00
dmu_diff.c Update to onnv_147 2010-08-26 14:24:34 -07:00
dmu_object.c Add linux kernel module support 2010-08-31 13:41:58 -07:00
dmu_objset.c Switch KM_SLEEP to KM_PUSHPAGE 2013-02-06 11:19:58 -08:00
dmu_send.c Cast 'zfs bad bloc' to ULL for x86 2013-02-04 16:39:08 -08:00
dmu_traverse.c Illumos #2619 and #2747 2013-01-08 10:35:35 -08:00
dmu_tx.c Illumos #3189 kernel panic in test hotspare_onoffline_004_neg 2013-01-14 10:34:53 -08:00
dmu_zfetch.c Switch KM_SLEEP to KM_PUSHPAGE 2012-08-27 12:01:37 -07:00
dmu.c Illumos #3086: unnecessarily setting DS_FLAG_INCONSISTENT on async 2013-01-08 10:35:43 -08:00
dnode_sync.c Illumos #2619 and #2747 2013-01-08 10:35:35 -08:00
dnode.c Illumos #2619 and #2747 2013-01-08 10:35:35 -08:00
dsl_dataset.c Use dsl_dataset_snap_lookup() 2013-01-25 15:07:40 -08:00
dsl_deadlist.c Illumos #3104: eliminate empty bpobjs 2013-01-08 10:35:43 -08:00
dsl_deleg.c Illumos #2619 and #2747 2013-01-08 10:35:35 -08:00
dsl_dir.c Switch KM_SLEEP to KM_PUSHPAGE 2013-02-06 11:19:58 -08:00
dsl_pool.c Illumos #3104: eliminate empty bpobjs 2013-01-08 10:35:43 -08:00
dsl_prop.c Switch KM_SLEEP to KM_PUSHPAGE 2012-09-17 11:22:23 -07:00
dsl_scan.c Illumos #2619 and #2747 2013-01-08 10:35:35 -08:00
dsl_synctask.c Add linux kernel module support 2010-08-31 13:41:58 -07:00
fm.c Condition variable usage, zevent_cv 2012-10-15 16:01:54 -07:00
gzip.c Fix zmod.h usage in userspace 2010-08-31 08:38:46 -07:00
lz4.c Linux 3.9 compat: Undefine GCC_VERSION 2013-03-06 15:48:48 -08:00
lzjb.c Switch KM_SLEEP to KM_PUSHPAGE 2012-08-27 12:01:37 -07:00
Makefile.in Illumos #3035 LZ4 compression support in ZFS and GRUB 2013-01-29 09:28:20 -08:00
metaslab.c Add metaslab_debug option 2013-03-18 16:47:43 -07:00
refcount.c Switch KM_SLEEP to KM_PUSHPAGE 2012-08-27 12:01:37 -07:00
rrwlock.c Enable rrwlock.c compilation 2010-12-07 16:05:25 -08:00
sa.c Constify structures containing function pointers 2013-03-04 08:49:32 -08:00
sha256.c Add linux sha2 support 2010-08-31 13:41:59 -07:00
spa_boot.c Add linux kernel module support 2010-08-31 13:41:58 -07:00
spa_config.c Illumos #2619 and #2747 2013-01-08 10:35:35 -08:00
spa_errlog.c Add linux kernel module support 2010-08-31 13:41:58 -07:00
spa_history.c Switch KM_SLEEP to KM_PUSHPAGE 2012-08-27 12:01:37 -07:00
spa_misc.c Illumos #3090 and #3102 2013-01-08 10:35:42 -08:00
spa.c Make spa.c assertions catch unsupported pre-feature flag pool versions 2013-02-12 10:27:44 -08:00
space_map.c Switch KM_SLEEP to KM_PUSHPAGE 2012-08-27 12:01:37 -07:00
txg.c Illumos #3447 improve the comment in txg.c 2013-01-30 08:55:20 -08:00
uberblock.c Update core ZFS code from build 121 to build 141. 2010-05-28 13:45:14 -07:00
unique.c Switch KM_SLEEP to KM_PUSHPAGE 2012-08-27 12:01:37 -07:00
vdev_cache.c Switch KM_SLEEP to KM_PUSHPAGE 2012-08-27 12:01:37 -07:00
vdev_disk.c Fix hot spares 2013-03-01 13:31:02 -08:00
vdev_file.c Illumos #1948: zpool list should show more detailed pool info 2012-09-19 13:39:05 -07:00
vdev_label.c Illumos #3090 and #3102 2013-01-08 10:35:42 -08:00
vdev_mirror.c Illumos #1948: zpool list should show more detailed pool info 2012-09-19 13:39:05 -07:00
vdev_missing.c Illumos #1948: zpool list should show more detailed pool info 2012-09-19 13:39:05 -07:00
vdev_queue.c Limit zfs_vdev_aggregation_limit to SPA_MAXBLOCKSIZE 2012-10-15 09:28:43 -07:00
vdev_raidz.c Illumos #1948: zpool list should show more detailed pool info 2012-09-19 13:39:05 -07:00
vdev_root.c Illumos #1948: zpool list should show more detailed pool info 2012-09-19 13:39:05 -07:00
vdev.c Illumos #3090 and #3102 2013-01-08 10:35:42 -08:00
zap_leaf.c Switch KM_SLEEP to KM_PUSHPAGE 2012-09-05 08:44:58 -07:00
zap_micro.c Illumos #2619 and #2747 2013-01-08 10:35:35 -08:00
zap.c fzap_cursor_move_to_key() should drop l_rwlock 2013-01-23 16:31:16 -08:00
zfeature_common.c Illumos #3035 LZ4 compression support in ZFS and GRUB 2013-01-29 09:28:20 -08:00
zfeature.c Illumos #3104: eliminate empty bpobjs 2013-01-08 10:35:43 -08:00
zfs_acl.c Avoid gcc -Werror=maybe-uninitialized warnings 2013-01-28 09:10:29 -08:00
zfs_byteswap.c Add linux kernel module support 2010-08-31 13:41:58 -07:00
zfs_ctldir.c Use dsl_dataset_snap_lookup() 2013-01-25 15:07:40 -08:00
zfs_debug.c Use spl_debug_* helpers 2012-02-09 16:37:48 -08:00
zfs_dir.c Revert "Revert "Fix unlink/xattr deadlock"" 2013-01-17 11:24:20 -08:00
zfs_fm.c Illumos #2671: zpool import should not fail if vdev ashift has increased 2012-11-15 11:05:59 -08:00
zfs_fuid.c Drop HAVE_XVATTR macros 2011-03-02 11:44:34 -08:00
zfs_ioctl.c Add snapdev=[hidden|visible] dataset property 2013-03-05 12:37:54 -08:00
zfs_log.c Revert "Remove TSD zfs_fsyncer_key" 2012-12-20 09:56:28 -08:00
zfs_onexit.c Add linux kernel device support 2010-08-31 13:41:50 -07:00
zfs_replay.c Constify structures containing function pointers 2013-03-04 08:49:32 -08:00
zfs_rlock.c Switch KM_SLEEP to KM_PUSHPAGE 2012-12-10 09:44:45 -08:00
zfs_sa.c Revert "Use SA_HDL_PRIVATE for SA xattrs" 2012-08-25 09:25:56 -07:00
zfs_vfsops.c Use sb->s_d_op default dentry operations 2013-01-18 15:04:23 -08:00
zfs_vnops.c Revert "Remove TSD zfs_fsyncer_key" 2012-12-20 09:56:28 -08:00
zfs_znode.c Fix 'zfs rollback' on mounted file systems 2013-01-17 09:51:20 -08:00
zil.c Constify structures containing function pointers 2013-03-04 08:49:32 -08:00
zio_checksum.c Update core ZFS code from build 121 to build 141. 2010-05-28 13:45:14 -07:00
zio_compress.c Illumos #3035 LZ4 compression support in ZFS and GRUB 2013-01-29 09:28:20 -08:00
zio_inject.c Add missing ZFS tunables 2011-05-04 10:02:37 -07:00
zio.c Add zio_ddt_free()+ddt_phys_decref() error handling 2013-03-19 13:01:01 -07:00
zle.c Update core ZFS code from build 121 to build 141. 2010-05-28 13:45:14 -07:00
zpl_ctldir.c Add d_clear_d_op() compatibility 2013-01-23 16:33:29 -08:00
zpl_export.c Implement .commit_metadata hook for NFS export 2012-10-03 10:49:45 -07:00
zpl_file.c Annotate KM_PUSHPAGE call paths with PF_NOFS 2012-08-27 12:01:37 -07:00
zpl_inode.c Add explicit MAXNAMELEN check 2013-02-12 10:27:39 -08:00
zpl_super.c Update SAs when an inode is dirtied 2012-12-14 12:18:54 -08:00
zpl_xattr.c Add missing NULL in zpl_xattr_handlers 2012-03-15 15:18:29 -07:00
zrlock.c Export ZFS symbols needed by Lustre. 2010-09-17 16:24:15 -07:00
zvol.c Add snapdev=[hidden|visible] dataset property 2013-03-05 12:37:54 -08:00