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Liu Bo 15d1ff8111 Btrfs: fix deadlock during allocating chunks 
This deadlock comes from xfstests 251.

We'll hold the chunk_mutex throughout the whole of a chunk allocation.
But if we find that we've used up system chunk space, we need to allocate a
new system chunk, but this will lead to a recursion of chunk allocation and end
up with a deadlock on chunk_mutex.
So instead we need to allocate the system chunk first if we find we're in ENOSPC.

Signed-off-by: Liu Bo <liubo2009@cn.fujitsu.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
 		2012-03-29 09:57:44 -04:00
..
Kconfig Btrfs: add config option to enable btrfs integrity check 2011-12-21 19:14:16 +01:00
Makefile Merge branch 'integrity-check-patch-v2' of git://btrfs.giantdisaster.de/git/btrfs into integration 2012-01-16 15:27:58 -05:00
acl.c Btrfs: fix return value of btrfs_get_acl() 2011-10-20 18:10:47 +02:00
async-thread.c btrfs: return void in functions without error conditions 2012-03-22 01:45:34 +01:00
async-thread.h btrfs: return void in functions without error conditions 2012-03-22 01:45:34 +01:00
backref.c Merge git://git.jan-o-sch.net/btrfs-unstable into for-linus 2012-03-28 20:33:40 -04:00
backref.h Btrfs: fix regression in scrub path resolving 2012-03-27 14:51:21 +02:00
btrfs_inode.h Btrfs: add a delalloc mutex to inodes for delalloc reservations 2012-01-16 15:29:43 -05:00
check-integrity.c Btrfs: fix compiler warnings on 32 bit systems 2012-02-24 10:39:05 -05:00
check-integrity.h Btrfs: add optional integrity check code 2011-12-21 19:14:09 +01:00
compat.h
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compression.c btrfs: replace many BUG_ONs with proper error handling 2012-03-22 11:52:54 +01:00
compression.h btrfs: return void in functions without error conditions 2012-03-22 01:45:34 +01:00
ctree.c Merge branch 'error-handling' into for-linus 2012-03-28 20:31:37 -04:00
ctree.h Merge branch 'for-chris' of git://github.com/idryomov/btrfs-unstable into for-linus 2012-03-28 20:32:46 -04:00
delayed-inode.c btrfs: replace many BUG_ONs with proper error handling 2012-03-22 11:52:54 +01:00
delayed-inode.h atomic: use <linux/atomic.h> 2011-07-26 16:49:47 -07:00
delayed-ref.c btrfs: return void in functions without error conditions 2012-03-22 01:45:34 +01:00
delayed-ref.h Btrfs: add waitqueue instead of doing busy waiting for more delayed refs 2012-01-04 16:12:48 +01:00
dir-item.c btrfs: replace many BUG_ONs with proper error handling 2012-03-22 11:52:54 +01:00
disk-io.c Btrfs: flush out and clean up any block device pages during mount 2012-03-28 20:33:58 -04:00
disk-io.h btrfs: enhance transaction abort infrastructure 2012-03-22 01:45:40 +01:00
export.c btrfs: replace many BUG_ONs with proper error handling 2012-03-22 11:52:54 +01:00
export.h
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extent-tree.c Btrfs: fix deadlock during allocating chunks 2012-03-29 09:57:44 -04:00
extent_io.c Merge branch 'error-handling' into for-linus 2012-03-28 20:31:37 -04:00
extent_io.h Merge branch 'error-handling' into for-linus 2012-03-28 20:31:37 -04:00
extent_map.c Btrfs: clean up code for merging extent maps 2011-08-01 14:30:50 -04:00
extent_map.h btrfs: fix structs where bitfields and spinlock/atomic share 8B word 2012-02-15 16:40:25 +01:00
file-item.c Btrfs: don't use crc items bigger than 4KB 2012-03-28 20:34:10 -04:00
file.c btrfs: replace many BUG_ONs with proper error handling 2012-03-22 11:52:54 +01:00
free-space-cache.c btrfs: replace many BUG_ONs with proper error handling 2012-03-22 11:52:54 +01:00
free-space-cache.h btrfs: remove all unused functions 2011-05-06 12:34:03 +02:00
hash.h
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inode-item.c Merge branch 'error-handling' into for-linus 2012-03-28 20:31:37 -04:00
inode-map.c Btrfs: show useful info in space reservation tracepoint 2012-03-29 09:57:44 -04:00
inode-map.h Btrfs: Support reading/writing on disk free ino cache 2011-04-25 16:46:11 +08:00
inode.c Merge branch 'error-handling' into for-linus 2012-03-28 20:31:37 -04:00
ioctl.c Merge git://git.jan-o-sch.net/btrfs-unstable into for-linus 2012-03-28 20:33:40 -04:00
ioctl.h Btrfs: add balance progress reporting 2012-01-16 22:04:49 +02:00
locking.c btrfs: return void in functions without error conditions 2012-03-22 01:45:34 +01:00
locking.h btrfs: return void in functions without error conditions 2012-03-22 01:45:34 +01:00
lzo.c Btrfs: Avoid accessing unmapped kernel address 2011-02-16 15:37:58 -05:00
ordered-data.c btrfs: return void in functions without error conditions 2012-03-22 01:45:34 +01:00
ordered-data.h btrfs: return void in functions without error conditions 2012-03-22 01:45:34 +01:00
orphan.c btrfs: replace many BUG_ONs with proper error handling 2012-03-22 11:52:54 +01:00
print-tree.c btrfs: fix oops on failure path 2011-10-20 18:10:50 +02:00
print-tree.h
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reada.c Btrfs: introduce common define for max number of mirrors 2012-03-27 14:21:26 -04:00
relocation.c btrfs: replace many BUG_ONs with proper error handling 2012-03-22 11:52:54 +01:00
root-tree.c btrfs: replace many BUG_ONs with proper error handling 2012-03-22 11:52:54 +01:00
scrub.c Merge git://git.jan-o-sch.net/btrfs-unstable into for-linus 2012-03-28 20:33:40 -04:00
struct-funcs.c Btrfs: add the ability to cache a pointer into the eb 2012-03-26 17:04:23 -04:00
super.c Merge git://git.jan-o-sch.net/btrfs-unstable into for-linus 2012-03-28 20:33:40 -04:00
sysfs.c btrfs: Remove unused sysfs code 2011-06-17 14:54:18 -04:00
transaction.c Btrfs: show useful info in space reservation tracepoint 2012-03-29 09:57:44 -04:00
transaction.h btrfs: enhance transaction abort infrastructure 2012-03-22 01:45:40 +01:00
tree-defrag.c btrfs: drop unused parameter from btrfs_release_path 2011-05-02 13:57:22 +02:00
tree-log.c btrfs: replace many BUG_ONs with proper error handling 2012-03-22 11:52:54 +01:00
tree-log.h btrfs: return void in functions without error conditions 2012-03-22 01:45:34 +01:00
ulist.c Btrfs: generic data structure to build unique lists 2011-12-22 16:22:24 +01:00
ulist.h Btrfs: generic data structure to build unique lists 2011-12-22 16:22:24 +01:00
version.h
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volumes.c Btrfs: flush out and clean up any block device pages during mount 2012-03-28 20:33:58 -04:00
volumes.h btrfs: return void in functions without error conditions 2012-03-22 01:45:34 +01:00
xattr.c Btrfs: do not use btrfs_end_transaction_throttle everywhere 2012-01-16 15:28:54 -05:00
xattr.h fs/vfs/security: pass last path component to LSM on inode creation 2011-02-01 11:12:29 -05:00
zlib.c zlib: slim down zlib_deflate() workspace when possible 2011-03-22 17:44:17 -07:00