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3612b49598
linux/fs/btrfs
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Tsutomu Itoh 3612b49598 btrfs: fix return value check of btrfs_join_transaction() 
The error check of btrfs_join_transaction()/btrfs_join_transaction_nolock()
is added, and the mistake of the error check in several places is
corrected.

For more stable Btrfs, I think that we should reduce BUG_ON().
But, I think that long time is necessary for this.
So, I propose this patch as a short-term solution.

With this patch:
 - To more stable Btrfs, the part that should be corrected is clarified.
 - The panic isn't done by the NULL pointer reference etc. (even if
   BUG_ON() is increased temporarily)
 - The error code is returned in the place where the error can be easily
   returned.

As a long-term plan:
 - BUG_ON() is reduced by using the forced-readonly framework, etc.

Signed-off-by: Tsutomu Itoh <t-itoh@jp.fujitsu.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
2011-01-28 16:40:37 -05:00
..
acl.c Merge branch 'bug-fixes' of git://repo.or.cz/linux-btrfs-devel into btrfs-38 2011-01-28 16:24:59 -05:00
async-thread.c Btrfs: don't walk around with task->state != TASK_RUNNING 2010-05-25 10:34:58 -04:00
async-thread.h
btrfs_inode.h btrfs: Allow to add new compression algorithm 2010-12-22 23:15:45 +08:00
compat.h
compression.c btrfs: fix uncheck memory allocation in btrfs_submit_compressed_read 2011-01-28 16:40:36 -05:00
compression.h btrfs: Extract duplicate decompress code 2010-12-22 23:15:50 +08:00
ctree.c btrfs: check NULL or not 2011-01-16 11:30:20 -05:00
ctree.h Btrfs: forced readonly mounts on errors 2011-01-17 15:13:08 -05:00
delayed-ref.c Btrfs: Integrate metadata reservation with start_transaction 2010-05-25 10:34:50 -04:00
delayed-ref.h Btrfs: Integrate metadata reservation with start_transaction 2010-05-25 10:34:50 -04:00
dir-item.c Btrfs: Fix variables set but not read (bugs found by gcc 4.6) 2010-10-29 15:14:31 -04:00
disk-io.c btrfs: fix return value check of btrfs_join_transaction() 2011-01-28 16:40:37 -05:00
disk-io.h Btrfs: forced readonly mounts on errors 2011-01-17 15:13:08 -05:00
export.c btrfs: fix several uncheck memory allocations 2011-01-28 16:40:36 -05:00
export.h
extent_io.c btrfs: fix uncheck memory allocation in btrfs_submit_compressed_read 2011-01-28 16:40:36 -05:00
extent_io.h btrfs: Allow to add new compression algorithm 2010-12-22 23:15:45 +08:00
extent_map.c btrfs: Allow to add new compression algorithm 2010-12-22 23:15:45 +08:00
extent_map.h btrfs: Allow to add new compression algorithm 2010-12-22 23:15:45 +08:00
extent-tree.c btrfs: fix return value check of btrfs_join_transaction() 2011-01-28 16:40:37 -05:00
file-item.c btrfs: fix several uncheck memory allocations 2011-01-28 16:40:36 -05:00
file.c btrfs: fix several uncheck memory allocations 2011-01-28 16:40:36 -05:00
free-space-cache.c btrfs: Check mergeable free space when removing a cluster 2011-01-27 01:04:57 +08:00
free-space-cache.h Btrfs: load free space cache if it exists 2010-10-29 09:26:35 -04:00
hash.h
inode-item.c Btrfs: Integrate metadata reservation with start_transaction 2010-05-25 10:34:50 -04:00
inode-map.c
inode.c btrfs: fix return value check of btrfs_join_transaction() 2011-01-28 16:40:37 -05:00
ioctl.c btrfs: fix return value check of btrfs_join_transaction() 2011-01-28 16:40:37 -05:00
ioctl.h Merge branch 'lzo-support' of git://repo.or.cz/linux-btrfs-devel into btrfs-38 2011-01-16 11:25:54 -05:00
Kconfig btrfs: Add lzo compression support 2010-12-22 23:15:47 +08:00
locking.c
locking.h
lzo.c btrfs: Extract duplicate decompress code 2010-12-22 23:15:50 +08:00
Makefile btrfs: Add lzo compression support 2010-12-22 23:15:47 +08:00
ordered-data.c btrfs: Allow to add new compression algorithm 2010-12-22 23:15:45 +08:00
ordered-data.h btrfs: Allow to add new compression algorithm 2010-12-22 23:15:45 +08:00
orphan.c Btrfs: fixup return code for btrfs_del_orphan_item 2010-12-09 13:57:15 -05:00
print-tree.c btrfs: fix missing break in switch phrase 2011-01-28 16:40:37 -05:00
print-tree.h
ref-cache.c
ref-cache.h
relocation.c btrfs: fix return value check of btrfs_join_transaction() 2011-01-28 16:40:37 -05:00
root-tree.c Btrfs: cleanup warnings from gcc 4.6 (nonbugs) 2010-10-29 15:14:37 -04:00
struct-funcs.c
super.c Merge branch 'bug-fixes' of git://repo.or.cz/linux-btrfs-devel into btrfs-38 2011-01-28 16:24:59 -05:00
sysfs.c
transaction.c btrfs: fix return value check of btrfs_join_transaction() 2011-01-28 16:40:37 -05:00
transaction.h Btrfs: Add readonly snapshots support 2010-12-23 08:49:17 +08:00
tree-defrag.c Btrfs: cleanup warnings from gcc 4.6 (nonbugs) 2010-10-29 15:14:37 -04:00
tree-log.c btrfs: fix several uncheck memory allocations 2011-01-28 16:40:36 -05:00
tree-log.h Btrfs: Metadata ENOSPC handling for tree log 2010-05-25 10:34:53 -04:00
version.h
version.sh
volumes.c btrfs: Require CAP_SYS_ADMIN for filesystem rebalance 2011-01-16 11:30:20 -05:00
volumes.h btrfs: fix wrong free space information of btrfs 2011-01-16 11:30:19 -05:00
xattr.c Btrfs: Add readonly snapshots support 2010-12-23 08:49:17 +08:00
xattr.h btrfs: constify xattr_handler 2010-05-21 18:31:18 -04:00
zlib.c btrfs: Extract duplicate decompress code 2010-12-22 23:15:50 +08:00