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Chunwei Chen 29572ccdef Fix empty xattr dir causing lockup 
During zfs_rmnode on a xattr dir, if the system crash just after
dmu_free_long_range, we would get empty xattr dir in delete queue. This would
cause blkid=0 be passed into zap_get_leaf_byblk when doing zfs_purgedir during
mount, and would try to do rw_enter on a wrong structure and cause system
lockup.

We fix this by returning ENOENT when blkid is zero in zap_get_leaf_byblk.

Signed-off-by: Chunwei Chen <david.chen@osnexus.com>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #4114
Closes #4052
Closes #4006
Closes #3018
Closes #2861
2015-12-28 09:41:30 -08:00
..
arc.c
Handle block pointers with a corrupt logical size
2015-12-15 16:11:44 -08:00
blkptr.c
Illumos 4757, 4913
2014-08-01 14:28:05 -07:00
bplist.c
Change KM_PUSHPAGE -> KM_SLEEP
2015-01-16 14:41:26 -08:00
bpobj.c
Illumos 5810 - zdb should print details of bpobj
2015-05-11 15:10:24 -07:00
bptree.c
Illumos 5027 - zfs large block support
2015-05-11 12:23:16 -07:00
dbuf_stats.c
Illumos 5497 - lock contention on arcs_mtx
2015-06-11 10:27:25 -07:00
dbuf.c
Identify locks flagged by lockdep
2015-12-22 10:21:33 -08:00
ddt_zap.c
Change KM_PUSHPAGE -> KM_SLEEP
2015-01-16 14:41:26 -08:00
ddt.c
Handle zap_lookup() failure in ddt_object_load()
2015-08-19 14:32:50 -07:00
dmu_diff.c
Illumos 5369 - arc flags should be an enum
2015-06-11 10:27:25 -07:00
dmu_object.c
Illumos 3693 - restore_object uses at least two transactions to restore an object
2014-10-21 15:26:50 -07:00
dmu_objset.c
Illumos 6267 - dn_bonus evicted too early
2015-10-13 14:12:02 -07:00
dmu_send.c
Use large stacks when available
2015-12-07 12:20:43 -08:00
dmu_traverse.c
Prevent reclaim in the traverse prefetch thread
2015-09-04 08:43:28 -07:00
dmu_tx.c
Illumos 5911 - ZFS "hangs" while deleting file
2015-07-06 09:31:42 -07:00
dmu_zfetch.c
Change KM_PUSHPAGE -> KM_SLEEP
2015-01-16 14:41:26 -08:00
dmu.c
Use uio for zvol_{read,write}
2015-12-15 16:21:43 -08:00
dnode_sync.c
Illumos 6267 - dn_bonus evicted too early
2015-10-13 14:12:02 -07:00
dnode.c
Identify locks flagged by lockdep
2015-12-22 10:21:33 -08:00
dsl_bookmark.c
Illumos 4951 - ZFS administrative commands should use reserved space
2015-05-04 09:41:10 -07:00
dsl_dataset.c
Illumos 5959 - clean up per-dataset feature count code
2015-12-04 14:20:20 -08:00
dsl_deadlist.c
Handle damaged blk_birth in dsl_deadlist_insert()
2015-12-15 16:12:31 -08:00
dsl_deleg.c
Illumos 4951 - ZFS administrative commands should use reserved space
2015-05-04 09:41:10 -07:00
dsl_destroy.c
Illumos 5959 - clean up per-dataset feature count code
2015-12-04 14:20:20 -08:00
dsl_dir.c
Illumos 4951 - ZFS administrative commands should use reserved space
2015-05-04 09:41:10 -07:00
dsl_pool.c
Align thread priority with Linux defaults
2015-07-28 13:36:47 -07:00
dsl_prop.c
Illumos 4951 - ZFS administrative commands should use reserved space
2015-05-04 09:41:10 -07:00
dsl_scan.c
Illumos 5347 - idle pool may run itself out of space
2015-07-14 10:35:21 -07:00
dsl_synctask.c
Illumos 4951 - ZFS administrative commands should use reserved space
2015-05-04 09:41:10 -07:00
dsl_userhold.c
Illumos 4951 - ZFS administrative commands should use reserved space
2015-05-04 09:41:10 -07:00
fm.c
zfsdev_getminor() should check for invalid file handles
2015-06-22 17:02:13 -07:00
gzip.c
cstyle: Resolve C style issues
2013-12-18 16:46:35 -08:00
lz4.c
Change KM_PUSHPAGE -> KM_SLEEP
2015-01-16 14:41:26 -08:00
lzjb.c
Change KM_PUSHPAGE -> KM_SLEEP
2015-01-16 14:41:26 -08:00
Makefile.in
Support parallel build trees (VPATH builds)
2015-07-17 13:42:51 -07:00
metaslab.c
Disable LBA weighting on files and SSDs
2015-09-01 15:22:07 -07:00
multilist.c
Identify locks flagged by lockdep
2015-12-22 10:21:33 -08:00
range_tree.c
Illumos 5163 - arc should reap range_seg_cache
2015-06-25 08:58:16 -07:00
refcount.c
Change KM_PUSHPAGE -> KM_SLEEP
2015-01-16 14:41:26 -08:00
rrwlock.c
Illumos 5008 - lock contention (rrw_exit) while running a read only load
2015-07-06 09:34:13 -07:00
sa.c
Illumos 5562 - ZFS sa_handle's violate kmem invariants, debug kernels panic on boot
2015-05-11 15:10:57 -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
Fix ztest truncated cache file
2015-12-22 10:40:40 -08:00
spa_errlog.c
Illumos 4914 - zfs on-disk bookmark structure should be named *_phys_t
2014-08-06 14:48:41 -07:00
spa_history.c
Illumos 5027 - zfs large block support
2015-05-11 12:23:16 -07:00
spa_misc.c
Add spa_slop_shift module option
2015-09-02 09:30:18 -07:00
spa_stats.c
Illumos 5369 - arc flags should be an enum
2015-06-11 10:27:25 -07:00
spa.c
Make zio_taskq_batch_pct user configurable
2015-12-18 13:46:23 -08:00
space_map.c
Change KM_PUSHPAGE -> KM_SLEEP
2015-01-16 14:41:26 -08:00
space_reftree.c
Change KM_PUSHPAGE -> KM_SLEEP
2015-01-16 14:41:26 -08:00
trace.c
Illumos 5497 - lock contention on arcs_mtx
2015-06-11 10:27:25 -07:00
txg.c
Identify locks flagged by lockdep
2015-12-22 10:21:33 -08:00
uberblock.c
Illumos 5347 - idle pool may run itself out of space
2015-07-14 10:35:21 -07:00
unique.c
Change KM_PUSHPAGE -> KM_SLEEP
2015-01-16 14:41:26 -08:00
vdev_cache.c
Change KM_PUSHPAGE -> KM_SLEEP
2015-01-16 14:41:26 -08:00
vdev_disk.c
Fix use-after-free in vdev_disk_physio_completion
2015-10-13 15:25:33 -07:00
vdev_file.c
Disable LBA weighting on files and SSDs
2015-09-01 15:22:07 -07:00
vdev_label.c
Change KM_PUSHPAGE -> KM_SLEEP
2015-01-16 14:41:26 -08:00
vdev_mirror.c
Illumos #5244 - zio pipeline callers should explicitly invoke next stage
2015-04-30 15:07:47 -07:00
vdev_missing.c
Illumos #5244 - zio pipeline callers should explicitly invoke next stage
2015-04-30 15:07:47 -07:00
vdev_queue.c
Fix zfs_vdev_aggregation_limit bounds checking
2015-12-18 13:32:06 -08:00
vdev_raidz.c
Illumos #5244 - zio pipeline callers should explicitly invoke next stage
2015-04-30 15:07:47 -07:00
vdev_root.c
Illumos #3598
2013-10-31 14:58:04 -07:00
vdev.c
Identify locks flagged by lockdep
2015-12-22 10:21:33 -08:00
zap_leaf.c
Illumos 5314 - Remove "dbuf phys" db->db_data pointer aliases in ZFS
2015-04-28 16:25:20 -07:00
zap_micro.c
Add zap_prefetch() interface
2015-12-04 09:39:20 -08:00
zap.c
Fix empty xattr dir causing lockup
2015-12-28 09:41:30 -08:00
zfeature_common.c
Illumos 5959 - clean up per-dataset feature count code
2015-12-04 14:20:20 -08:00
zfeature.c
Illumos 5959 - clean up per-dataset feature count code
2015-12-04 14:20:20 -08:00
zfs_acl.c
Change KM_PUSHPAGE -> KM_SLEEP
2015-01-16 14:41:26 -08:00
zfs_byteswap.c
Add linux kernel module support
2010-08-31 13:41:58 -07:00
zfs_ctldir.c
Hold the zfs_snapentry_t before dispatch
2015-12-14 12:06:31 -08:00
zfs_debug.c
Add dbgmsg kstat
2015-09-04 16:08:14 -07:00
zfs_dir.c
Revert "Revert "Revert "Fix unlink/xattr deadlock"""
2014-08-11 16:12:36 -07:00
zfs_fm.c
Change KM_PUSHPAGE -> KM_SLEEP
2015-01-16 14:41:26 -08:00
zfs_fuid.c
Illumos #3522
2013-10-30 14:51:27 -07:00
zfs_ioctl.c
Follow 0/-E convention for module load errors
2015-11-16 16:10:06 -08:00
zfs_log.c
Illumos 5027 - zfs large block support
2015-05-11 12:23:16 -07:00
zfs_onexit.c
zfsdev_getminor() should check for invalid file handles
2015-06-22 17:02:13 -07:00
zfs_replay.c
Linux AIO Support
2014-09-05 15:11:43 -07:00
zfs_rlock.c
Change KM_PUSHPAGE -> KM_SLEEP
2015-01-16 14:41:26 -08:00
zfs_sa.c
Illumos 5056 - ZFS deadlock on db_mtx and dn_holds
2015-04-28 16:25:34 -07:00
zfs_vfsops.c
Support accessing .zfs/snapshot via NFS
2015-09-04 13:23:53 -07:00
zfs_vnops.c
Fix invalid fileid for snapshot root dentry
2015-09-04 13:23:06 -07:00
zfs_znode.c
Revert "Fix z_xattr_lock/z_teardown_lock lock inversion"
2015-12-22 16:58:43 -08:00
zil.c
Align thread priority with Linux defaults
2015-07-28 13:36:47 -07:00
zio_checksum.c
Illumos 4757, 4913
2014-08-01 14:28:05 -07:00
zio_compress.c
Illumos 5661 - ZFS: "compression = on" should use lz4 if feature is enabled
2015-07-10 12:11:45 -07:00
zio_inject.c
Illumos 5497 - lock contention on arcs_mtx
2015-06-11 10:27:25 -07:00
zio.c
Identify locks flagged by lockdep
2015-12-22 10:21:33 -08:00
zle.c
Update core ZFS code from build 121 to build 141.
2010-05-28 13:45:14 -07:00
zpl_ctldir.c
Linux 3.18 compat: Snapshot auto-mounting
2015-08-31 13:54:39 -07:00
zpl_export.c
zfsctl: No need to sync ctldir inodes
2015-08-31 13:54:39 -07:00
zpl_file.c
Linux 4.1 compat: loop device on ZFS
2015-08-24 10:17:06 -07:00
zpl_inode.c
Use spa as key besides objsetid for snapentry
2015-12-08 16:38:56 -08:00
zpl_super.c
Disable zpl_nr_cached_objects() callback
2015-09-25 12:45:42 -07:00
zpl_xattr.c
Fix z_xattr_lock/z_teardown_lock inversion
2015-12-22 16:59:20 -08:00
zrlock.c
Illumos 5812 - assertion failed in zrl_tryenter(): zr_owner==NULL
2015-04-30 14:43:40 -07:00
zvol.c
Use uio for zvol_{read,write}
2015-12-15 16:21:43 -08:00