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e7070be198
linux/fs/btrfs
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Josef Bacik e7070be198 Btrfs: change how we track dirty roots 
I've been overloading root->dirty_list to keep track of dirty roots and which
roots need to have their commit roots switched at transaction commit time.  This
could cause us to lose an update to the root which could corrupt the file
system.  To fix this use a state bit to know if the root is dirty, and if it
isn't set we go ahead and move the root to the dirty list.  This way if we
re-dirty the root after adding it to the switch_commit list we make sure to
update it.  This also makes it so that the extent root is always the last root
on the dirty list to try and keep the amount of churn down at this point in the
commit.  Thanks,

Signed-off-by: Josef Bacik <jbacik@fb.com>
Signed-off-by: Chris Mason <clm@fb.com>
2015-01-21 17:35:49 -08:00
..
tests Btrfs: remove empty block groups automatically 2014-09-22 17:13:21 -07:00
acl.c
async-thread.c btrfs: remove unlikely from NULL checks 2014-10-02 16:06:19 +02:00
async-thread.h Btrfs: implement repair function when direct read fails 2014-09-17 13:39:01 -07:00
backref.c Btrfs: correctly get tree level in tree_backref_for_extent 2015-01-02 14:47:56 -05:00
backref.h Btrfs: make fiemap not blow when you have lots of snapshots 2014-09-17 13:38:24 -07:00
btrfs_inode.h Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs 2014-10-11 08:03:52 -04:00
check-integrity.c Btrfs: include vmalloc.h in check-integrity.c 2014-11-25 06:01:11 -08:00
check-integrity.h
compression.c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs 2014-12-12 11:15:23 -08:00
compression.h btrfs: zero out left over bytes after processing compression streams 2014-11-30 09:33:51 -08:00
ctree.c Btrfs: change how we track dirty roots 2015-01-21 17:35:49 -08:00
ctree.h Btrfs: change how we track dirty roots 2015-01-21 17:35:49 -08:00
delayed-inode.c Btrfs: don't delay inode ref updates during log replay 2015-01-02 14:47:56 -05:00
delayed-inode.h
delayed-ref.c
delayed-ref.h
dev-replace.c Merge branch 'raid56-scrub-replace' of git://github.com/miaoxie/linux-btrfs into for-linus 2014-12-02 18:42:03 -08:00
dev-replace.h
dir-item.c Btrfs: make xattr replace operations atomic 2014-11-20 17:20:07 -08:00
disk-io.c Btrfs: fix fs corruption on transaction abort if device supports discard 2014-12-10 12:22:31 -08:00
disk-io.h Merge branch 'cleanup/blocksize-diet-part1' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux into for-linus 2014-10-04 09:57:14 -07:00
export.c btrfs: kill the key type accessor helpers 2014-09-17 13:37:12 -07:00
export.h
extent_io.c Btrfs: avoid premature -ENOMEM in clear_extent_bit() 2014-11-20 17:20:06 -08:00
extent_io.h Btrfs: set page and mapping error on compressed write failure 2014-11-20 17:14:25 -08:00
extent_map.c Btrfs: do not move em to modified list when unpinning 2014-11-21 11:59:54 -08:00
extent_map.h Btrfs: fix NULL pointer crash when running balance and scrub concurrently 2014-06-19 14:20:55 -07:00
extent-tree.c Btrfs: abort transaction if we don't find the block group 2015-01-02 14:47:55 -05:00
file-item.c Btrfs: fix kfree on list_head in btrfs_lookup_csums_range error cleanup 2014-11-04 06:59:04 -08:00
file.c Btrfs: fix snapshot inconsistency after a file write followed by truncate 2014-11-25 07:41:23 -08:00
free-space-cache.c Btrfs: remove non-sense btrfs_error_discard_extent() function 2014-12-10 12:22:32 -08:00
free-space-cache.h Btrfs: fix race between writing free space cache and trimming 2014-12-02 18:35:09 -08:00
hash.c btrfs: LLVMLinux: Remove VLAIS 2014-10-14 10:51:22 +02:00
hash.h
inode-item.c btrfs: kill the key type accessor helpers 2014-09-17 13:37:12 -07:00
inode-map.c Btrfs: fix race between writing free space cache and trimming 2014-12-02 18:35:09 -08:00
inode-map.h
inode.c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs 2015-01-09 17:46:07 -08:00
ioctl.c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs 2014-12-12 11:15:23 -08:00
Kconfig
locking.c btrfs: fix lockups from btrfs_clear_path_blocking 2014-11-19 10:34:35 -08:00
locking.h btrfs: fix lockups from btrfs_clear_path_blocking 2014-11-19 10:34:35 -08:00
lzo.c btrfs: zero out left over bytes after processing compression streams 2014-11-30 09:33:51 -08:00
Makefile
math.h
ordered-data.c Btrfs: collect only the necessary ordered extents on ranged fsync 2014-11-21 11:59:56 -08:00
ordered-data.h Btrfs: collect only the necessary ordered extents on ranged fsync 2014-11-21 11:59:56 -08:00
orphan.c btrfs: kill the key type accessor helpers 2014-09-17 13:37:12 -07:00
print-tree.c btrfs: remove parameter blocksize from read_tree_block 2014-10-02 17:14:50 +02:00
print-tree.h
props.c
props.h
qgroup.c btrfs: move checks for DUMMY_ROOT into a helper 2014-10-02 17:30:33 +02:00
qgroup.h btrfs: qgroup: account shared subtrees during snapshot delete 2014-08-15 07:43:14 -07:00
raid56.c Btrfs, raid56: fix use-after-free problem in the final device replace procedure on raid56 2014-12-03 10:18:47 +08:00
raid56.h Btrfs, raid56: fix use-after-free problem in the final device replace procedure on raid56 2014-12-03 10:18:47 +08:00
rcu-string.h
reada.c btrfs: use nodesize everywhere, kill leafsize 2014-09-17 13:37:14 -07:00
relocation.c Merge branch 'cleanup/blocksize-diet-part1' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux into for-linus 2014-10-04 09:57:14 -07:00
root-tree.c
scrub.c Btrfs, scrub: uninitialized variable in scrub_extent_for_parity() 2015-01-02 14:47:55 -05:00
send.c Btrfs: ensure send always works on roots without orphans 2014-11-25 07:41:23 -08:00
send.h
struct-funcs.c
super.c Btrfs: make btrfs_abort_transaction consider existence of new block groups 2014-12-02 18:35:09 -08:00
sysfs.c btrfs: move commit out of sysfs when changing label 2014-11-12 16:53:15 +01:00
sysfs.h btrfs: code optimize: BTRFS_ATTR_RW could set the mode 2014-09-17 13:37:59 -07:00
transaction.c Btrfs: change how we track dirty roots 2015-01-21 17:35:49 -08:00
transaction.h Merge branch 'dev/pending-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux into for-linus 2014-11-25 05:45:30 -08:00
tree-defrag.c
tree-log.c Btrfs: ensure ordered extent errors aren't missed on fsync 2014-11-21 11:59:57 -08:00
tree-log.h Btrfs: fix data corruption after fast fsync and writeback error 2014-09-19 06:57:51 -07:00
ulist.c
ulist.h Btrfs: Fix memory corruption by ulist_add_merge() on 32bit arch 2014-08-15 07:43:19 -07:00
uuid-tree.c Btrfs: make btrfs_search_forward return with nodes unlocked 2014-09-17 13:38:02 -07:00
volumes.c btrfs: filp_open() returns ERR_PTR() on failure, not NULL... 2014-12-17 06:43:56 -05:00
volumes.h Merge branch 'raid56-scrub-replace' of git://github.com/miaoxie/linux-btrfs into for-linus 2014-12-02 18:42:03 -08:00
xattr.c Btrfs: make xattr replace operations atomic 2014-11-20 17:20:07 -08:00
xattr.h
zlib.c btrfs: zero out left over bytes after processing compression streams 2014-11-30 09:33:51 -08:00