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e8fd45a0f9
mirror_zfs/module/zfs
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Brian Behlendorf e8fd45a0f9 Add ddt_object_count() error handling 
The interface for the ddt_zap_count() function assumes it can
never fail.  However, internally ddt_zap_count() is implemented
with zap_count() which can potentially fail.  Now because there
was no way to return the error to the caller a VERIFY was used
to ensure this case never happens.

Unfortunately, it has been observed that pools can be damaged in
such a way that zap_count() fails.  The result is that the pool can
not be imported without hitting the VERIFY and crashing the system.

This patch reworks ddt_object_count() so the error can be safely
caught and returned to the caller.  This allows a pool which has
be damaged in this way to be safely rewound for import.

Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #910
2012-10-29 08:57:45 -07:00
..
arc.c Remove vmem_size() consumers 2012-10-12 10:03:03 -07:00
bplist.c Switch KM_SLEEP to KM_PUSHPAGE 2012-08-27 12:01:37 -07:00
bpobj.c Illumos #1644, #1645, #1646, #1647, #1708 2012-07-31 09:25:30 -07:00
dbuf.c Switch KM_SLEEP to KM_PUSHPAGE 2012-08-27 12:01:37 -07:00
ddt_zap.c Add ddt_object_count() error handling 2012-10-29 08:57:45 -07:00
ddt.c Add ddt_object_count() error handling 2012-10-29 08:57:45 -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 2012-10-08 10:19:05 -07:00
dmu_send.c Illumos #2703: add mechanism to report ZFS send progress 2012-09-19 13:39:06 -07:00
dmu_traverse.c Switch KM_SLEEP to KM_PUSHPAGE 2012-08-27 12:01:37 -07:00
dmu_tx.c Switch KM_SLEEP to KM_PUSHPAGE 2012-08-27 12:01:37 -07:00
dmu_zfetch.c Switch KM_SLEEP to KM_PUSHPAGE 2012-08-27 12:01:37 -07:00
dmu.c Add FASTWRITE algorithm for synchronous writes. 2012-10-17 08:56:41 -07:00
dnode_sync.c Fix dbuf eviction assertion 2010-08-31 08:38:45 -07:00
dnode.c Switch KM_SLEEP to KM_PUSHPAGE 2012-08-27 12:01:37 -07:00
dsl_dataset.c Illumos #3100: zvol rename fails with EBUSY when dirty. 2012-10-03 13:59:02 -07:00
dsl_deadlist.c Switch KM_SLEEP to KM_PUSHPAGE 2012-08-27 12:01:37 -07:00
dsl_deleg.c Illumos #1644, #1645, #1646, #1647, #1708 2012-07-31 09:25:30 -07:00
dsl_dir.c Illumos #3100: zvol rename fails with EBUSY when dirty. 2012-10-03 13:59:02 -07:00
dsl_pool.c txg is spelled as tgx in places 2012-10-11 09:19:08 -07:00
dsl_prop.c Switch KM_SLEEP to KM_PUSHPAGE 2012-09-17 11:22:23 -07:00
dsl_scan.c Fix zfs_txg_timeout module parameter 2012-10-11 15:07:09 -07:00
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
lzjb.c Switch KM_SLEEP to KM_PUSHPAGE 2012-08-27 12:01:37 -07:00
Makefile.in Add script for builtin module building. 2012-07-26 13:45:09 -07:00
metaslab.c Add FASTWRITE algorithm for synchronous writes. 2012-10-17 08:56:41 -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 Switch KM_SLEEP to KM_PUSHPAGE 2012-08-27 12:01:37 -07:00
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 Switch KM_SLEEP to KM_PUSHPAGE 2012-08-27 12:01:37 -07:00
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 Switch KM_SLEEP to KM_PUSHPAGE 2012-08-27 12:01:37 -07:00
spa.c Illumos #1948: zpool list should show more detailed pool info 2012-09-19 13:39:05 -07:00
space_map.c Switch KM_SLEEP to KM_PUSHPAGE 2012-08-27 12:01:37 -07:00
txg.c Fix zfs_txg_timeout module parameter 2012-10-11 15:07:09 -07:00
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 Remove 'Resized bio's/dio' warning 2012-10-22 10:17:10 -07:00
vdev_file.c Illumos #1948: zpool list should show more detailed pool info 2012-09-19 13:39:05 -07:00
vdev_label.c Switch KM_SLEEP to KM_PUSHPAGE 2012-08-27 12:01:37 -07:00
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 Add FASTWRITE algorithm for synchronous writes. 2012-10-17 08:56:41 -07:00
zap_leaf.c Switch KM_SLEEP to KM_PUSHPAGE 2012-09-05 08:44:58 -07:00
zap_micro.c Switch KM_SLEEP to KM_PUSHPAGE 2012-09-05 08:44:58 -07:00
zap.c Switch KM_SLEEP to KM_PUSHPAGE 2012-08-27 12:01:37 -07:00
zfs_acl.c Switch KM_SLEEP to KM_PUSHPAGE 2012-08-27 12:01:37 -07:00
zfs_byteswap.c Add linux kernel module support 2010-08-31 13:41:58 -07:00
zfs_ctldir.c Quote snapshot and mountpoint for .zfs automount 2012-10-17 13:26:18 -07:00
zfs_debug.c Use spl_debug_* helpers 2012-02-09 16:37:48 -08:00
zfs_dir.c rmdir(2) should return ENOTEMPTY 2012-08-26 13:55:45 -07:00
zfs_fm.c Switch KM_SLEEP to KM_PUSHPAGE 2012-08-27 12:01:37 -07:00
zfs_fuid.c Drop HAVE_XVATTR macros 2011-03-02 11:44:34 -08:00
zfs_ioctl.c Illumos #3129, #3130 2012-10-03 13:59:02 -07:00
zfs_log.c Make zfs_immediate_write_sz a module paramater 2012-10-11 11:09:21 -07:00
zfs_onexit.c Add linux kernel device support 2010-08-31 13:41:50 -07:00
zfs_replay.c ZFS replay transaction error 5 2012-09-17 11:06:58 -07:00
zfs_rlock.c Condition variable usage, zp->r_{rd,wr}_cv 2012-10-15 16:02:03 -07:00
zfs_sa.c Revert "Use SA_HDL_PRIVATE for SA xattrs" 2012-08-25 09:25:56 -07:00
zfs_vfsops.c Illumos #3100: zvol rename fails with EBUSY when dirty. 2012-10-03 13:59:02 -07:00
zfs_vnops.c Clear PG_writeback for sync I/O error case 2012-09-14 15:53:47 -07:00
zfs_znode.c Switch KM_SLEEP to KM_PUSHPAGE 2012-08-27 12:01:37 -07:00
zil.c Use the slog even with logbias=throughput. 2012-10-17 08:56:46 -07:00
zio_checksum.c Update core ZFS code from build 121 to build 141. 2010-05-28 13:45:14 -07:00
zio_compress.c Update core ZFS code from build 121 to build 141. 2010-05-28 13:45:14 -07:00
zio_inject.c Add missing ZFS tunables 2011-05-04 10:02:37 -07:00
zio.c Revert "Don't ashift-align vdev read requests." 2012-10-24 15:25:33 -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 Linux 3.6 compat, iops->lookup() 2012-10-14 13:06:54 -07:00
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 Linux 3.6 compat, iops->create() 2012-10-14 14:42:25 -07:00
zpl_super.c Linux 3.6 compat, sops->write_super() removed 2012-10-14 11:33:56 -07:00
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 Set default zvol elevator to noop 2012-10-05 12:39:59 -07:00