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remarkable-linux/fs/btrfs
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Josef Bacik 7fb7d76f96 Btrfs: only do the tree_mod_log_free_eb if this is our last ref 
There is another bug in the tree mod log stuff in that we're calling
tree_mod_log_free_eb every single time a block is cow'ed.  The problem with this
is that if this block is shared by multiple snapshots we will call this multiple
times per block, so if we go to rewind the mod log for this block we'll BUG_ON()
in __tree_mod_log_rewind because we try to rewind a free twice.  We only want to
call tree_mod_log_free_eb if we are actually freeing the block.  With this patch
I no longer hit the panic in __tree_mod_log_rewind.  Thanks,

Cc: stable@vger.kernel.org
Reviewed-by: Jan Schmidt <list.btrfs@jan-o-sch.net>
Signed-off-by: Josef Bacik <jbacik@fusionio.com>
2013-07-02 11:51:20 -04:00
..
acl.c Btrfs: skip adding an acl attribute if we don't have to 2012-12-16 20:46:15 -05:00
async-thread.c Btrfs: call the ordered free operation without any locks held 2012-07-25 16:15:07 -04:00
async-thread.h btrfs: return void in functions without error conditions 2012-03-22 01:45:34 +01:00
backref.c Btrfs: make backref walking code handle skinny metadata 2013-07-02 11:51:02 -04:00
backref.h Btrfs: cleanup backref search commit root flag stuff 2013-07-01 08:52:29 -04:00
btrfs_inode.h btrfs: fix minor typo in comment 2013-05-06 15:54:49 -04:00
check-integrity.c Btrfs: use a btrfs bioset instead of abusing bio internals 2013-05-17 21:52:52 -04:00
check-integrity.h Btrfs: add optional integrity check code 2011-12-21 19:14:09 +01:00
compat.h
compression.c btrfs: make static code static & remove dead code 2013-05-06 15:55:23 -04:00
compression.h btrfs: make static code static & remove dead code 2013-05-06 15:55:23 -04:00
ctree.c Btrfs: only do the tree_mod_log_free_eb if this is our last ref 2013-07-02 11:51:20 -04:00
ctree.h Btrfs: check if we can nocow if we don't have data space 2013-07-02 11:50:45 -04:00
delayed-inode.c Btrfs: delete unused function 2013-06-14 11:29:28 -04:00
delayed-inode.h Btrfs: improve the delayed inode throttling 2013-03-07 07:52:40 -05:00
delayed-ref.c Btrfs: separate sequence numbers for delayed ref tracking and tree mod log 2013-05-06 15:55:17 -04:00
delayed-ref.h Btrfs: handle running extent ops with skinny metadata 2013-05-17 21:40:15 -04:00
dev-replace.c Btrfs: introduce per-subvolume ordered extent list 2013-06-14 11:29:41 -04:00
dev-replace.h Btrfs: add new sources for device replace code 2012-12-12 17:15:41 -05:00
dir-item.c btrfs: make static code static & remove dead code 2013-05-06 15:55:23 -04:00
disk-io.c Btrfs: do not pin while under spin lock 2013-06-14 11:30:13 -04:00
disk-io.h Btrfs: introduce grab/put functions for the root of the fs/file tree 2013-06-14 11:29:38 -04:00
export.c Btrfs: cleanup: don't check the same thing twice 2013-06-14 11:29:30 -04:00
export.h
extent-tree.c Btrfs: make the chunk allocator completely tree lockless 2013-07-02 11:50:53 -04:00
extent_io.c Btrfs: check if we can nocow if we don't have data space 2013-07-02 11:50:45 -04:00
extent_io.h Btrfs: check if we can nocow if we don't have data space 2013-07-02 11:50:45 -04:00
extent_map.c btrfs: make static code static & remove dead code 2013-05-06 15:55:23 -04:00
extent_map.h Btrfs: fix bad extent logging 2013-05-06 15:54:34 -04:00
file-item.c Btrfs: remove btrfs_sector_sum structure 2013-07-02 11:50:47 -04:00
file.c Btrfs: check if we can nocow if we don't have data space 2013-07-02 11:50:45 -04:00
free-space-cache.c Btrfs: return error code in btrfs_check_trunc_cache_free_space() 2013-06-14 11:29:56 -04:00
free-space-cache.h btrfs: move ifdef around sanity checks out of init_btrfs_fs 2013-06-14 11:29:18 -04:00
hash.h btrfs: extended inode refs 2012-10-09 09:14:45 -04:00
inode-item.c btrfs: make static code static & remove dead code 2013-05-06 15:55:23 -04:00
inode-map.c Btrfs: don't use global block reservation for inode cache truncation 2013-05-17 21:40:22 -04:00
inode-map.h Btrfs: Support reading/writing on disk free ino cache 2011-04-25 16:46:11 +08:00
inode.c Btrfs: cleanup redundant code in btrfs_submit_direct() 2013-07-02 11:50:48 -04:00
ioctl.c Btrfs: allow file data clone within a file 2013-06-14 11:30:03 -04:00
Kconfig btrfs: move leak debug code to functions 2013-05-06 15:55:16 -04:00
locking.c btrfs: make static code static & remove dead code 2013-05-06 15:55:23 -04:00
locking.h Btrfs: remove btrfs_try_spin_lock 2013-03-14 14:57:10 -04:00
lzo.c btrfs: fix the code comments for LZO compression workspace 2013-07-01 08:52:26 -04:00
Makefile Btrfs: RAID5 and RAID6 2013-02-01 14:24:23 -05:00
math.h Btrfs: cleanup duplicated division functions 2012-12-11 13:31:30 -05:00
ordered-data.c Btrfs: remove btrfs_sector_sum structure 2013-07-02 11:50:47 -04:00
ordered-data.h Btrfs: remove btrfs_sector_sum structure 2013-07-02 11:50:47 -04:00
orphan.c btrfs: replace many BUG_ONs with proper error handling 2012-03-22 11:52:54 +01:00
print-tree.c Btrfs: Include the device in most error printk()s 2013-05-06 15:54:23 -04:00
print-tree.h btrfs: make static code static & remove dead code 2013-05-06 15:55:23 -04:00
qgroup.c Btrfs: fix qgroup rescan resume on mount 2013-06-14 11:30:10 -04:00
raid56.c Btrfs: use a btrfs bioset instead of abusing bio internals 2013-05-17 21:52:52 -04:00
raid56.h Btrfs: RAID5 and RAID6 2013-02-01 14:24:23 -05:00
rcu-string.h Btrfs: use rcu to protect device->name 2012-06-14 21:29:16 -04:00
reada.c Btrfs: fix reada debug code compilation 2013-05-06 15:54:55 -04:00
relocation.c Btrfs: remove btrfs_sector_sum structure 2013-07-02 11:50:47 -04:00
root-tree.c Btrfs: cleanup orphaned root orphan item 2013-07-02 11:50:52 -04:00
scrub.c Btrfs: fix several potential problems in copy_nocow_pages_for_inode 2013-07-02 11:50:58 -04:00
send.c Btrfs: Cocci spatch "memdup.spatch" 2013-06-14 11:30:12 -04:00
send.h btrfs: make static code static & remove dead code 2013-05-06 15:55:23 -04:00
struct-funcs.c Btrfs: rewrite BTRFS_SETGET_FUNCS 2012-07-23 16:28:06 -04:00
super.c Btrfs: stop waiting on current trans if we aborted 2013-07-01 08:52:27 -04:00
sysfs.c btrfs: fixup/remove module.h usage as required 2013-03-01 15:01:01 -05:00
transaction.c Btrfs: make the chunk allocator completely tree lockless 2013-07-02 11:50:53 -04:00
transaction.h Btrfs: make the chunk allocator completely tree lockless 2013-07-02 11:50:53 -04:00
tree-defrag.c btrfs: remove cache only arguments from defrag path 2013-02-20 12:59:36 -05:00
tree-log.c Btrfs: exclude logged extents before replying when we are mixed 2013-06-14 11:30:17 -04:00
tree-log.h btrfs: make static code static & remove dead code 2013-05-06 15:55:23 -04:00
ulist.c Btrfs: fix crash regarding to ulist_add_merge 2013-07-02 11:50:59 -04:00
ulist.h Btrfs: add a rb_tree to improve performance of ulist search 2013-05-06 15:54:44 -04:00
volumes.c Btrfs: make the chunk allocator completely tree lockless 2013-07-02 11:50:53 -04:00
volumes.h Btrfs: make the chunk allocator completely tree lockless 2013-07-02 11:50:53 -04:00
xattr.c btrfs: make static code static & remove dead code 2013-05-06 15:55:23 -04:00
xattr.h fs/vfs/security: pass last path component to LSM on inode creation 2011-02-01 11:12:29 -05:00
zlib.c btrfs: fix message printing 2012-10-09 09:19:57 -04:00