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Josef Bacik ad3e34bba4 Btrfs: don't map extent buffer if path->skip_locking is set 
Arne's scrub stuff exposed a problem with mapping the extent buffer in
reada_for_search.  He searches the commit root with multiple threads and with
skip_locking set, so we can race and overwrite node->map_token since node isn't
locked.  So fix this so that we only map the extent buffer if we don't already
have a map_token and skip_locking isn't set.  Without this patch scrub would
panic almost immediately, with the patch it doesn't panic anymore.  Thanks,

Reported-by: Arne Jansen <sensille@gmx.net>
Signed-off-by: Josef Bacik <josef@redhat.com>
2011-06-10 12:14:12 +02:00
..
acl.c
Merge branch 'cleanups' of git://repo.or.cz/linux-2.6/btrfs-unstable into inode_numbers
2011-05-22 12:33:42 -04:00
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: fix deadlock on async thread startup
2009-10-05 09:44:45 -04:00
btrfs_inode.h
Merge branch 'for-chris' of
2011-05-28 07:00:39 -04:00
compat.h
…
compression.c
Merge branch 'cleanups' of git://repo.or.cz/linux-2.6/btrfs-unstable into inode_numbers
2011-05-22 12:33:42 -04:00
compression.h
btrfs: rename variables clashing with global function names
2011-05-02 13:57:19 +02:00
ctree.c
Btrfs: don't map extent buffer if path->skip_locking is set
2011-06-10 12:14:12 +02:00
ctree.h
btrfs: add helper for fs_info->closing
2011-06-04 08:11:22 -04:00
delayed-inode.c
btrfs: fix uninitialized variable warning
2011-06-04 08:11:38 -04:00
delayed-inode.h
btrfs: implement delayed inode items operation
2011-05-21 09:30:56 -04:00
delayed-ref.c
btrfs: remove old unused commented out code
2011-05-06 12:34:10 +02:00
delayed-ref.h
btrfs: remove all unused functions
2011-05-06 12:34:03 +02:00
dir-item.c
Merge branch 'cleanups_and_fixes' into inode_numbers
2011-05-23 14:37:47 -04:00
disk-io.c
Merge branch 'for-chris' of
2011-05-28 07:00:39 -04:00
disk-io.h
Merge branch 'cleanups' of git://repo.or.cz/linux-2.6/btrfs-unstable into inode_numbers
2011-05-22 12:33:42 -04:00
export.c
Merge branch 'ino-alloc' of git://repo.or.cz/linux-btrfs-devel into inode_numbers
2011-05-21 09:27:38 -04:00
export.h
…
extent_io.c
Merge branch 'for-chris' of
2011-05-28 07:00:39 -04:00
extent_io.h
btrfs: remove all unused functions
2011-05-06 12:34:03 +02:00
extent_map.c
btrfs: drop gfp parameter from alloc_extent_map
2011-05-02 13:57:21 +02:00
extent_map.h
btrfs: drop gfp parameter from alloc_extent_map
2011-05-02 13:57:21 +02:00
extent-tree.c
btrfs: add helper for fs_info->closing
2011-06-04 08:11:22 -04:00
file-item.c
Merge branch 'cleanups_and_fixes' into inode_numbers
2011-05-23 14:37:47 -04:00
file.c
btrfs: add helper for fs_info->closing
2011-06-04 08:11:22 -04:00
free-space-cache.c
btrfs: add helper for fs_info->closing
2011-06-04 08:11:22 -04:00
free-space-cache.h
btrfs: remove all unused functions
2011-05-06 12:34:03 +02:00
hash.h
…
inode-item.c
Btrfs: BUG_ON is deleted from the caller of btrfs_truncate_item & btrfs_extend_item
2011-05-23 13:24:39 -04:00
inode-map.c
btrfs: add helper for fs_info->closing
2011-06-04 08:11:22 -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: add helper for fs_info->closing
2011-06-04 08:11:22 -04:00
ioctl.c
btrfs: use btrfs_ino to access inode number
2011-06-04 08:03:46 -04:00
ioctl.h
Btrfs: add mount -o auto_defrag
2011-05-26 17:52:15 -04:00
Kconfig
btrfs: Add lzo compression support
2010-12-22 23:15:47 +08:00
locking.c
btrfs: remove all unused functions
2011-05-06 12:34:03 +02:00
locking.h
btrfs: remove all unused functions
2011-05-06 12:34:03 +02:00
lzo.c
Btrfs: Avoid accessing unmapped kernel address
2011-02-16 15:37:58 -05:00
Makefile
Merge branch 'for-chris' of git://git.kernel.org/pub/scm/linux/kernel/git/arne/btrfs-unstable-arne into inode_numbers
2011-05-23 06:30:52 -04:00
ordered-data.c
Btrfs: add initial tracepoint support for btrfs
2011-03-28 05:37:33 -04:00
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
btrfs: remove all unused functions
2011-05-06 12:34:03 +02:00
ref-cache.h
btrfs: remove all unused functions
2011-05-06 12:34:03 +02:00
relocation.c
Merge branch 'for-chris' of
2011-05-28 07:00:39 -04:00
root-tree.c
Merge branch 'cleanups_and_fixes' into inode_numbers
2011-05-23 14:37:47 -04:00
scrub.c
btrfs: add helper for fs_info->closing
2011-06-04 08:11:22 -04:00
struct-funcs.c
…
super.c
Btrfs: add mount -o inode_cache
2011-06-04 08:03:47 -04:00
sysfs.c
Merge branch 'cleanups' of git://repo.or.cz/linux-2.6/btrfs-unstable into inode_numbers
2011-05-22 12:33:42 -04:00
transaction.c
btrfs: add helper for fs_info->closing
2011-06-04 08:11:22 -04:00
transaction.h
Merge branch 'for-chris' of
2011-05-28 07:00:39 -04:00
tree-defrag.c
btrfs: drop unused parameter from btrfs_release_path
2011-05-02 13:57:22 +02:00
tree-log.c
Merge branch 'cleanups_and_fixes' into inode_numbers
2011-05-23 14:37:47 -04:00
tree-log.h
btrfs: remove unused function prototypes
2011-05-04 14:01:26 +02:00
version.h
…
volumes.c
btrfs: false BUG_ON when degraded
2011-06-04 08:03:44 -04:00
volumes.h
Merge branch 'cleanups_and_fixes' into inode_numbers
2011-05-23 14:37:47 -04:00
xattr.c
Merge branch 'for-chris' of
2011-05-28 07:00:39 -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
zlib: slim down zlib_deflate() workspace when possible
2011-03-22 17:44:17 -07:00