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linux-stable/fs
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Josef Bacik 81317fdedd Btrfs: fix deadlock when throttling transactions 
Hit this nice little deadlock.  What happens is this

__btrfs_end_transaction with throttle set, --use_count so it equals 0
  btrfs_commit_transaction
    <somebody else actually manages to start the commit>
    btrfs_end_transaction --use_count so now its -1 <== BAD
      we just return and wait on the transaction

This is bad because we just return after our use_count is -1 and don't let go
of our num_writer count on the transaction, so the guy committing the
transaction just sits there forever.  Fix this by inc'ing our use_count if we're
going to call commit_transaction so that if we call btrfs_end_transaction it's
valid.  Thanks,

Signed-off-by: Josef Bacik <josef@redhat.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
2011-07-27 12:46:46 -04:00
..
9p
fs/9p: Fix error reported by coccicheck
2011-04-15 15:26:14 -05:00
adfs
Fix common misspellings
2011-03-31 11:26:23 -03:00
affs
Merge branch 'for-2.6.39/core' of git://git.kernel.dk/linux-2.6-block
2011-03-24 10:16:26 -07:00
afs
Fix common misspellings
2011-03-31 11:26:23 -03:00
autofs4
Fix common misspellings
2011-03-31 11:26:23 -03:00
befs
Fix common misspellings
2011-03-31 11:26:23 -03:00
bfs
Merge branch 'for-2.6.39/core' of git://git.kernel.dk/linux-2.6-block
2011-03-24 10:16:26 -07:00
btrfs
Btrfs: fix deadlock when throttling transactions
2011-07-27 12:46:46 -04:00
cachefiles
Fix common misspellings
2011-03-31 11:26:23 -03:00
ceph
ceph: do not use i_wrbuffer_ref as refcount for Fb cap
2011-05-11 10:44:48 -07:00
cifs
cifs: fix cifsConvertToUCS() for the mapchars case
2011-05-17 20:54:04 +00:00
coda
codafs: fix build break when CONFIG_PROC_SYSCTL=n
2011-03-25 17:45:16 -07:00
configfs
configfs: Fix race between configfs_readdir() and configfs_d_iput()
2011-05-18 04:08:16 -07:00
cramfs
cramfs: generate unique inode number for better inode cache usage
2011-01-13 08:03:23 -08:00
debugfs
debugfs: Fix filesystem reference counting on debugfs_remove() failure
2011-02-18 08:07:18 -08:00
devpts
fs/devpts/inode.c: correctly check d_alloc_name() return code in devpts_pty_new()
2011-03-22 17:44:17 -07:00
dlm
Fix common misspellings
2011-03-31 11:26:23 -03:00
ecryptfs
eCryptfs: Flush dirty pages in setattr
2011-04-25 18:49:46 -05:00
efs
block: remove per-queue plugging
2011-03-10 08:52:07 +01:00
exofs
Fix common misspellings
2011-03-31 11:26:23 -03:00
exportfs
vfs: Add open by file handle support
2011-03-15 02:21:44 -04:00
ext2
Fix common misspellings
2011-03-31 11:26:23 -03:00
ext3
Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs-2.6
2011-04-08 07:35:17 -07:00
ext4
Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4
2011-04-11 15:45:47 -07:00
fat
Merge branch 'for-2.6.39/core' of git://git.kernel.dk/linux-2.6-block
2011-03-24 10:16:26 -07:00
freevxfs
Fix common misspellings
2011-03-31 11:26:23 -03:00
fscache
FS-Cache: Fix operation handling
2011-01-14 09:23:36 -08:00
fuse
fuse: fix oops in revalidate when called with NULL nameidata
2011-05-10 17:35:58 +02:00
gfs2
add hlist_bl_lock/unlock helpers
2011-04-25 18:14:10 -07:00
hfs
Merge branch 'for-2.6.39/core' of git://git.kernel.dk/linux-2.6-block
2011-03-24 10:16:26 -07:00
hfsplus
Merge branch 'for-2.6.39/core' of git://git.kernel.dk/linux-2.6-block
2011-03-24 10:16:26 -07:00
hostfs
switch hostfs
2011-01-12 20:03:42 -05:00
hpfs
HPFS: Remove unused variable
2011-05-09 09:04:24 -07:00
hppfs
fs: icache RCU free inodes
2011-01-07 17:50:26 +11:00
hugetlbfs
mm: hugetlbfs: change remove_from_page_cache
2011-03-22 17:44:02 -07:00
isofs
Merge branch 'for-2.6.39/core' of git://git.kernel.dk/linux-2.6-block
2011-03-24 10:16:26 -07:00
jbd
Fix common misspellings
2011-03-31 11:26:23 -03:00
jbd2
Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4
2011-04-11 15:45:47 -07:00
jffs2
Fix common misspellings
2011-03-31 11:26:23 -03:00
jfs
Fix common misspellings
2011-03-31 11:26:23 -03:00
lockd
NLM: Fix "kernel BUG at fs/lockd/host.c:417!" or ".../host.c:283!"
2011-01-25 15:24:47 -05:00
logfs
logfs: initialize superblock entries earlier
2011-05-03 16:10:25 -07:00
minix
Merge branch 'for-2.6.39/core' of git://git.kernel.dk/linux-2.6-block
2011-03-24 10:16:26 -07:00
ncpfs
Fix common misspellings
2011-03-31 11:26:23 -03:00
nfs
NFSv4.1: Ensure that layoutget uses the correct gfp modes
2011-05-11 22:52:13 -04:00
nfs_common
Fix common misspellings
2011-03-31 11:26:23 -03:00
nfsd
Open with O_CREAT flag set fails to open existing files on non writable directories
2011-04-20 11:03:01 -04:00
nilfs2
nilfs2: fix infinite loop in nilfs_palloc_freev function
2011-05-10 22:19:50 +09:00
nls
…
notify
Merge branch 'for-linus2' of git://git.profusion.mobi/users/lucas/linux-2.6
2011-04-07 11:14:49 -07:00
ntfs
Fix common misspellings
2011-03-31 11:26:23 -03:00
ocfs2
ocfs2/dlm: Target node death during resource migration leads to thread spin
2011-05-13 11:27:30 -07:00
omfs
Merge branch 'for-2.6.39/core' of git://git.kernel.dk/linux-2.6-block
2011-03-24 10:16:26 -07:00
openpromfs
fs: icache RCU free inodes
2011-01-07 17:50:26 +11:00
partitions
Validate size of EFI GUID partition entries.
2011-05-06 07:46:37 -07:00
proc
Don't lock guardpage if the stack is growing up
2011-05-09 16:22:07 -07:00
pstore
Fix common misspellings
2011-03-31 11:26:23 -03:00
qnx4
block: remove per-queue plugging
2011-03-10 08:52:07 +01:00
quota
Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs-2.6
2011-04-08 07:35:17 -07:00
ramfs
ramfs: fix memleak on no-mmu arch
2011-04-14 16:06:56 -07:00
reiserfs
Fix common misspellings
2011-03-31 11:26:23 -03:00
romfs
fs: icache RCU free inodes
2011-01-07 17:50:26 +11:00
squashfs
Fix common misspellings
2011-03-31 11:26:23 -03:00
sysfs
kconfig: rename CONFIG_EMBEDDED to CONFIG_EXPERT
2011-01-20 17:02:05 -08:00
sysv
Merge branch 'for-2.6.39/core' of git://git.kernel.dk/linux-2.6-block
2011-03-24 10:16:26 -07:00
ubifs
UBIFS: seek journal heads to the latest bud in replay
2011-05-02 19:23:48 +03:00
udf
Merge branch 'for-2.6.39/core' of git://git.kernel.dk/linux-2.6-block
2011-03-24 10:16:26 -07:00
ufs
Merge branch 'for-linus2' of git://git.profusion.mobi/users/lucas/linux-2.6
2011-04-07 11:14:49 -07:00
xfs
xfs: fix race condition in AIL push trigger
2011-05-09 18:35:04 -05:00
aio.c
Merge branch 'for-2.6.39/core' of git://git.kernel.dk/linux-2.6-block
2011-03-24 10:16:26 -07:00
anon_inodes.c
sanitize vfsmount refcounting changes
2011-01-16 13:47:07 -05:00
attr.c
Fix common misspellings
2011-03-31 11:26:23 -03:00
bad_inode.c
fs: provide rcu-walk aware permission i_ops
2011-01-07 17:50:29 +11:00
binfmt_aout.c
Don't dump task struct in a.out core-dumps
2010-10-14 10:57:40 -07:00
binfmt_elf_fdpic.c
binfmt_elf_fdpic: Fix clear_user() error handling
2010-06-01 08:11:06 -07:00
binfmt_elf.c
brk: COMPAT_BRK: fix detection of randomized brk
2011-04-14 16:06:55 -07:00
binfmt_em86.c
…
binfmt_flat.c
Fix common misspellings
2011-03-31 11:26:23 -03:00
binfmt_misc.c
convert get_sb_single() users
2010-10-29 04:16:28 -04:00
binfmt_script.c
Make do_execve() take a const filename pointer
2010-08-17 18:07:43 -07:00
binfmt_som.c
…
bio-integrity.c
block: Require subsystems to explicitly allocate bio_set integrity mempool
2011-03-17 11:11:05 +01:00
bio.c
Fix common misspellings
2011-03-31 11:26:23 -03:00
block_dev.c
block: rescan partitions on invalidated devices on -ENOMEDIA too
2011-04-29 10:17:26 +02:00
buffer.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6
2011-03-24 19:01:30 -07:00
char_dev.c
Merge branch 'for-2.6.38/core' of git://git.kernel.dk/linux-2.6-block
2011-01-13 10:45:01 -08:00
compat_binfmt_elf.c
…
compat_ioctl.c
Merge branch 'tty-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty-2.6
2011-01-07 14:39:20 -08:00
compat.c
select: remove unused MAX_SELECT_SECONDS
2011-03-21 00:16:08 -04:00
dcache.c
add hlist_bl_lock/unlock helpers
2011-04-25 18:14:10 -07:00
dcookies.c
…
direct-io.c
Merge branch 'for-2.6.39/core' of git://git.kernel.dk/linux-2.6-block
2011-03-24 10:16:26 -07:00
drop_caches.c
fs: move i_sb_list out from under inode_lock
2011-03-24 21:16:32 -04:00
eventfd.c
Docbook: add fs/eventfd.c and fix typos in it
2011-02-21 15:07:04 -08:00
eventpoll.c
Fix common misspellings
2011-03-31 11:26:23 -03:00
exec.c
Small typo fix...
2011-03-21 00:16:09 -04:00
fcntl.c
userns: rename is_owner_or_cap to inode_owner_or_capable
2011-03-23 19:47:13 -07:00
fhandle.c
fs/fhandle.c: add <linux/personality.h> for ia64
2011-04-14 16:06:56 -07:00
fifo.c
Filesystem: fifo: Fixed coding style issue.
2011-03-21 00:16:09 -04:00
file_table.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6
2011-03-16 13:26:17 -07:00
file.c
vfs: avoid large kmalloc()s for the fdtable
2011-04-28 11:28:20 -07:00
filesystems.c
fs: synchronize_rcu when unregister_filesystem success not failure
2011-04-17 10:42:01 -07:00
fs_struct.c
sanitize vfsmount refcounting changes
2011-01-16 13:47:07 -05:00
fs-writeback.c
Fix common misspellings
2011-03-31 11:26:23 -03:00
generic_acl.c
userns: rename is_owner_or_cap to inode_owner_or_capable
2011-03-23 19:47:13 -07:00
inode.c
fs: export empty_aops
2011-04-05 23:51:48 +02:00
internal.h
fs: move i_wb_list out from under inode_lock
2011-03-24 21:17:51 -04:00
ioctl.c
vfs: cleanup do_vfs_ioctl()
2011-03-21 00:16:08 -04:00
ioprio.c
ioprio: grab rcu_read_lock in sys_ioprio_{set,get}()
2010-11-15 10:23:31 +01:00
Kconfig
Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6
2011-03-16 19:01:29 -07:00
Kconfig.binfmt
coredump: default CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS=y
2010-10-27 18:03:12 -07:00
libfs.c
pass default dentry_operations to mount_pseudo()
2011-01-12 20:03:43 -05:00
locks.c
Merge branch 'for-2.6.39' of git://linux-nfs.org/~bfields/linux
2011-03-24 08:20:39 -07:00
Makefile
Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6
2011-03-16 19:01:29 -07:00
mbcache.c
Fix common misspellings
2011-03-31 11:26:23 -03:00
mpage.c
fs: make mpage read/write_pages() plug
2011-03-10 08:52:26 +01:00
namei.c
vfs: micro-optimize acl_permission_check()
2011-05-13 11:51:01 -07:00
namespace.c
Revert "vfs: Export file system uuid via /proc/<pid>/mountinfo"
2011-04-12 13:35:56 -07:00
nfsctl.c
open-style analog of vfs_path_lookup()
2011-03-14 09:15:28 -04:00
no-block.c
llseek: automatically add .llseek fop
2010-10-15 15:53:27 +02:00
open.c
fs: Use BUG_ON(!mnt) at dentry_open().
2011-03-21 01:10:41 -04:00
pipe.c
Fix broken "pipe: use event aware wakeups" optimization
2011-01-20 16:21:59 -08:00
pnode.c
fs: scale mntget/mntput
2011-01-07 17:50:33 +11:00
pnode.h
…
posix_acl.c
NFS: Prevent memory allocation failure in nfsacl_encode()
2011-01-25 15:24:47 -05:00
read_write.c
fix signedness mess in rw_verify_area() on 64bit architectures
2011-01-12 20:06:58 -05:00
read_write.h
…
readdir.c
vfs: fix warning: 'dirent' is used uninitialized in this function
2010-08-09 20:45:05 -07:00
select.c
select: remove unused MAX_SELECT_SECONDS
2011-03-21 00:16:08 -04:00
seq_file.c
fs: take dcache_lock inside __d_path
2010-10-25 21:26:12 -04:00
signalfd.c
Merge branch 'hwpoison' of git://git.kernel.org/pub/scm/linux/kernel/git/ak/linux-mce-2.6
2010-10-26 10:13:10 -07:00
splice.c
Merge branch 'for-2.6.38/core' of git://git.kernel.dk/linux-2.6-block
2011-01-13 10:45:01 -08:00
stack.c
…
stat.c
readlinkat(), fchownat() and fstatat() with empty relative pathnames
2011-03-15 02:21:45 -04:00
statfs.c
clean statfs-like syscalls up
2011-03-14 09:15:28 -04:00
super.c
Merge branch 'for-2.6.39/core' of git://git.kernel.dk/linux-2.6-block
2011-03-24 10:16:26 -07:00
sync.c
Merge branch 'for-2.6.39/core' of git://git.kernel.dk/linux-2.6-block
2011-03-24 10:16:26 -07:00
timerfd.c
llseek: automatically add .llseek fop
2010-10-15 15:53:27 +02:00
utimes.c
userns: rename is_owner_or_cap to inode_owner_or_capable
2011-03-23 19:47:13 -07:00
xattr_acl.c
…
xattr.c
vfs: Pass setxattr(2) flags properly
2011-04-21 07:34:44 -07:00