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linux/fs/btrfs
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Filipe Manana 68482f12d9 Btrfs: fix racy system chunk allocation when setting block group ro 
commit a96295965b upstream.

If while setting a block group read-only we end up allocating a system
chunk, through check_system_chunk(), we were not doing it while holding
the chunk mutex which is a problem if a concurrent chunk allocation is
happening, through do_chunk_alloc(), as it means both block groups can
end up using the same logical addresses and physical regions in the
device(s). So make sure we hold the chunk mutex.

Fixes: 2f0810880f ("btrfs: delete chunk allocation attemp when
                      setting block group ro")

Signed-off-by: Filipe Manana <fdmanana@suse.com>
Signed-off-by: Chris Mason <clm@fb.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-06-06 08:20:52 -07:00
..
tests
Btrfs: add sanity test for outstanding_extents accounting
2015-03-17 16:36:31 -04:00
acl.c
btrfs: remove useless ACL check
2014-06-09 17:20:42 -07:00
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: cleanup, remove inode_ref_info helper
2015-01-14 19:23:47 +01:00
backref.h
btrfs: cleanup, remove inode_item_info helper
2015-01-14 19:23:47 +01:00
btrfs_inode.h
Btrfs: Add code to support file creation time
2015-02-02 18:39:16 -08:00
check-integrity.c
Btrfs: include vmalloc.h in check-integrity.c
2014-11-25 06:01:11 -08:00
check-integrity.h
block: submit_bio_wait() conversions
2013-11-24 16:33:41 -07:00
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: fix off-by-one logic error in btrfs_realloc_node
2015-03-02 14:04:45 -08:00
ctree.h
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs
2015-03-21 10:53:37 -07:00
delayed-inode.c
Btrfs: Add code to support file creation time
2015-02-02 18:39:16 -08:00
delayed-inode.h
Btrfs: introduce the delayed inode ref deletion for the single link inode
2014-01-28 13:20:09 -08:00
delayed-ref.c
Btrfs: rework qgroup accounting
2014-06-09 17:20:48 -07:00
delayed-ref.h
Btrfs: rework qgroup accounting
2014-06-09 17:20:48 -07:00
dev-replace.c
Btrfs: btrfs_rm_dev_replace_blocked(): Use wait_event()
2015-01-21 18:06:48 -08:00
dev-replace.h
Btrfs: add new sources for device replace code
2012-12-12 17:15:41 -05:00
dir-item.c
Btrfs: make xattr replace operations atomic
2014-11-20 17:20:07 -08:00
disk-io.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs
2015-03-21 10:53:37 -07:00
disk-io.h
btrfs: sink blocksize parameter to btrfs_find_create_tree_block
2014-12-12 18:07:21 +01:00
export.c
btrfs: kill the key type accessor helpers
2014-09-17 13:37:12 -07:00
export.h
NFS support for btrfs - v3
2008-09-25 11:04:06 -04:00
extent_io.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs
2015-03-21 10:53:37 -07:00
extent_io.h
btrfs: switch extent_state state to unsigned
2015-01-21 18:02:04 -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: fix racy system chunk allocation when setting block group ro
2015-06-06 08:20:52 -07:00
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
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs
2015-03-06 13:52:54 -08:00
free-space-cache.c
btrfs: cleanup init for list in free-space-cache
2015-02-02 19:25:50 -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
Btrfs: fix btrfs boot when compiled as built-in
2014-01-28 13:20:31 -08:00
inode-item.c
Btrfs: fix fsync log replay for inodes with a mix of regular refs and extrefs
2015-01-21 18:02:05 -08:00
inode-map.c
Btrfs: fix race between writing free space cache and trimming
2014-12-02 18:35:09 -08:00
inode-map.h
Btrfs: Support reading/writing on disk free ino cache
2011-04-25 16:46:11 +08:00
inode.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs
2015-03-21 10:53:37 -07:00
ioctl.c
btrfs: unlock i_mutex after attempting to delete subvolume during send
2015-05-13 05:14:27 -07:00
Kconfig
rcu: Make SRCU optional by using CONFIG_SRCU
2015-01-06 11:04:29 -08:00
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
Btrfs: add sanity tests for new qgroup accounting code
2014-06-09 17:20:49 -07:00
math.h
Btrfs: cleanup duplicated division functions
2012-12-11 13:31:30 -05:00
ordered-data.c
Btrfs: fix fsync race leading to ordered extent memory leaks
2015-03-02 14:04:44 -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
btrfs: make static code static & remove dead code
2013-05-06 15:55:23 -04:00
props.c
Btrfs: add support for inode properties
2014-01-28 13:20:24 -08:00
props.h
Btrfs: add support for inode properties
2014-01-28 13:20:24 -08:00
qgroup.c
Btrfs: fix comp_oper to get right order
2015-03-13 13:46:59 -07:00
qgroup.h
btrfs: qgroup: account shared subtrees during snapshot delete
2014-08-15 07:43:14 -07:00
raid56.c
Btrfs: Include map_type in raid_bio
2015-01-21 18:06:49 -08:00
raid56.h
Btrfs: Make raid_map array be inlined in btrfs_bio structure
2015-01-21 18:06:47 -08:00
rcu-string.h
Btrfs: use rcu to protect device->name
2012-06-14 21:29:16 -04:00
reada.c
Btrfs: add ref_count and free function for btrfs_bio
2015-01-21 18:06:48 -08:00
relocation.c
btrfs: sink blocksize parameter to tree_block_processed
2014-12-12 18:07:22 +01:00
root-tree.c
Btrfs: use bitfield instead of integer data type for the some variants in btrfs_root
2014-06-09 17:20:40 -07:00
scrub.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs
2015-02-19 14:36:00 -08:00
send.c
Btrfs: incremental send, don't rename a directory too soon
2015-03-02 14:04:45 -08:00
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
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs
2015-02-19 14:36:00 -08:00
sysfs.c
Btrfs: add missing cleanup on sysfs init failure
2015-02-02 19:24:49 -08:00
sysfs.h
btrfs: code optimize: BTRFS_ATTR_RW could set the mode
2014-09-17 13:37:59 -07:00
transaction.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs
2015-03-21 10:53:37 -07:00
transaction.h
btrfs: Fix out-of-space bug
2015-02-14 08:19:14 -08:00
tree-defrag.c
Btrfs: use bitfield instead of integer data type for the some variants in btrfs_root
2014-06-09 17:20:40 -07:00
tree-log.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs
2015-03-06 13:52:54 -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
Btrfs: do not export ulist functions
2014-01-29 07:06:27 -08:00
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: fix racy system chunk allocation when setting block group ro
2015-06-06 08:20:52 -07:00
volumes.h
Btrfs: Include map_type in raid_bio
2015-01-21 18:06:49 -08:00
xattr.c
btrfs: don't accept bare namespace as a valid xattr
2015-05-06 22:03:37 +02:00
xattr.h
btrfs: use generic posix ACL infrastructure
2014-01-25 23:58:18 -05:00
zlib.c
btrfs: zero out left over bytes after processing compression streams
2014-11-30 09:33:51 -08:00