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linux/fs
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Sage Weil 99d16cbcaf Btrfs: fix deadlock in btrfs_commit_transaction 
We calculate timeout (either 1 or MAX_SCHEDULE_TIMEOUT) based on whether
num_writers > 1 or should_grow at the top of the loop.  Then, much much
later, we wait for that timeout if either num_writers or should_grow is
true.  However, it's possible for a racing process (calling
btrfs_end_transaction()) to decrement num_writers such that we wait
forever instead of for 1.

Fix this by deciding how long to wait when we wait.  Include a smp_mb()
before checking if the waitqueue is active to ensure the num_writers
is visible.

Signed-off-by: Sage Weil <sage@newdream.net>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
2010-10-29 15:37:34 -04:00
..
9p
fs/9p: Don't use dotl version of mknod for dotu inode operations
2010-09-13 08:13:03 -05:00
adfs
check ATTR_SIZE contraints in inode_change_ok
2010-08-09 16:47:39 -04:00
affs
AFFS: wait for sb synchronization when needed
2010-08-09 16:48:51 -04:00
afs
Merge git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6
2010-08-13 10:37:30 -07:00
autofs
autofs/autofs4: Move compat_ioctl handling into fs
2010-08-09 00:13:34 +02:00
autofs4
autofs4: remove unneeded null check in try_to_fill_dentry()
2010-08-11 08:59:06 -07:00
befs
…
bfs
BFS: clean up the superblock usage
2010-08-09 16:48:53 -04:00
btrfs
Btrfs: fix deadlock in btrfs_commit_transaction
2010-10-29 15:37:34 -04:00
cachefiles
Add a dummy printk function for the maintenance of unused printks
2010-08-12 09:51:35 -07:00
ceph
ceph: update issue_seq on cap grant
2010-10-07 08:01:50 -07:00
cifs
cifs: prevent infinite recursion in cifs_reconnect_tcon
2010-10-01 17:50:08 +00:00
coda
Coda: mount hangs because of missed REQ_WRITE rename
2010-09-19 11:03:09 -07:00
configfs
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cramfs
cramfs: only unlock new inodes
2010-08-18 01:01:33 -04:00
debugfs
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devpts
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dlm
fs/dlm: Drop unnecessary null test
2010-08-05 14:23:45 -05:00
ecryptfs
eCryptfs: Fix encrypted file name lookup regression
2010-08-27 10:50:53 -05:00
efs
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exofs
exofs: Fix double page_unlock BUG in write_begin/end
2010-10-08 11:26:54 -04:00
exportfs
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ext2
mbcache: Remove unused features
2010-08-09 16:48:45 -04:00
ext3
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6
2010-08-10 11:26:52 -07:00
ext4
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6
2010-08-10 11:26:52 -07:00
fat
remove SWRITE* I/O types
2010-08-18 01:09:01 -04:00
freevxfs
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6
2010-08-10 11:26:52 -07:00
fscache
Add a dummy printk function for the maintenance of unused printks
2010-08-12 09:51:35 -07:00
fuse
fuse: Initialize total_len in fuse_retrieve()
2010-10-04 10:45:32 +02:00
gfs2
GFS2: gfs2_logd should be using interruptible waits
2010-09-17 14:00:10 +01:00
hfs
convert remaining ->clear_inode() to ->evict_inode()
2010-08-09 16:48:37 -04:00
hfsplus
convert remaining ->clear_inode() to ->evict_inode()
2010-08-09 16:48:37 -04:00
hostfs
hostfs ->follow_link() braino
2010-08-18 06:21:10 -04:00
hpfs
switch hpfs to ->evict_inode()
2010-08-09 16:48:17 -04:00
hppfs
switch hppfs to ->evict_inode()
2010-08-09 16:48:16 -04:00
hugetlbfs
new helper: end_writeback()
2010-08-09 16:47:49 -04:00
isofs
isofs: Fix lseek() to position beyond 4 GB
2010-08-11 00:29:47 -04:00
jbd
remove SWRITE* I/O types
2010-08-18 01:09:01 -04:00
jbd2
remove SWRITE* I/O types
2010-08-18 01:09:01 -04:00
jffs2
Merge git://git.infradead.org/mtd-2.6
2010-08-10 11:49:21 -07:00
jfs
jfs: don't allow os2 xattr namespace overlap with others
2010-08-10 15:33:09 -07:00
lockd
…
logfs
logfs: kill BKL
2010-08-14 00:24:24 +02:00
minix
minix: fix regression in minix_mkdir()
2010-09-09 18:57:25 -07:00
ncpfs
Merge branch 'bkl/ioctl' of git://git.kernel.org/pub/scm/linux/kernel/git/frederic/random-tracing
2010-08-10 13:58:28 -07:00
nfs
SUNRPC: Fix the NFSv4 and RPCSEC_GSS Kconfig dependencies
2010-09-12 19:57:50 -04:00
nfs_common
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nfsd
nfsd: fix BUG at fs/nfsd/nfsfh.h:199 on unlink
2010-10-13 15:48:55 -04:00
nilfs2
nilfs2: fix leak of shadow dat inode in error path of load_nilfs
2010-08-30 10:18:03 +09:00
nls
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notify
fanotify: disable fanotify syscalls
2010-10-11 18:15:28 -07:00
ntfs
convert remaining ->clear_inode() to ->evict_inode()
2010-08-09 16:48:37 -04:00
ocfs2
ocfs2: Don't walk off the end of fast symlinks.
2010-09-29 17:33:05 -07:00
omfs
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/bcopeland/omfs
2010-08-10 11:47:36 -07:00
openpromfs
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partitions
[S390] partitions: fix build error in ibm partition detection code
2010-08-13 10:06:55 +02:00
proc
proc: make /proc/pid/limits world readable
2010-10-01 10:50:59 -07:00
qnx4
get rid of cont_write_begin_newtrunc
2010-08-09 16:47:31 -04:00
quota
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6
2010-08-10 11:26:52 -07:00
ramfs
check ATTR_SIZE contraints in inode_change_ok
2010-08-09 16:47:39 -04:00
reiserfs
reiserfs: fix unwanted reiserfs lock recursion
2010-10-01 10:50:59 -07:00
romfs
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smbfs
switch smbfs to evict_inode()
2010-08-09 16:48:00 -04:00
squashfs
Squashfs: fix checkpatch.pl warnings
2010-08-08 22:29:33 +00:00
sysfs
sysfs: checking for NULL instead of ERR_PTR
2010-09-03 17:26:28 -07:00
sysv
fs/sysv/super.c: add support for non-PDP11 v7 filesystems
2010-08-11 08:59:23 -07:00
ubifs
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6
2010-08-10 11:26:52 -07:00
udf
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6
2010-08-10 11:26:52 -07:00
ufs
remove SWRITE* I/O types
2010-08-18 01:09:01 -04:00
xfs
xfs: properly account for reclaimed inodes
2010-10-06 22:35:48 -05:00
aio.c
aio: do not return ERESTARTSYS as a result of AIO
2010-09-22 17:22:39 -07:00
anon_inodes.c
…
attr.c
check ATTR_SIZE contraints in inode_change_ok
2010-08-09 16:47:39 -04:00
bad_inode.c
bkl: Remove locked .ioctl file operation
2010-08-14 00:24:24 +02:00
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
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binfmt_elf.c
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binfmt_em86.c
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binfmt_flat.c
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binfmt_misc.c
binfmt_misc: fix binfmt_misc priority
2010-09-09 18:57:24 -07:00
binfmt_script.c
Make do_execve() take a const filename pointer
2010-08-17 18:07:43 -07:00
binfmt_som.c
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bio-integrity.c
fs/bio-integrity.c: return -ENOMEM on kmalloc failure
2010-08-23 13:36:59 +02:00
bio.c
block: unify flags for struct bio and struct request
2010-08-07 18:20:39 +02:00
block_dev.c
blkdev: cgroup whitelist permission fix
2010-08-11 08:59:18 -07:00
buffer.c
remove SWRITE* I/O types
2010-08-18 01:09:01 -04:00
char_dev.c
char: Mark /dev/zero and /dev/kmem as not capable of writeback
2010-09-22 09:48:47 +02:00
compat_binfmt_elf.c
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compat_ioctl.c
bkl: Remove locked .ioctl file operation
2010-08-14 00:24:24 +02:00
compat.c
Prevent freeing uninitialized pointer in compat_do_readv_writev
2010-09-22 17:22:38 -07:00
dcache.c
fs: brlock vfsmount_lock
2010-08-18 08:35:48 -04:00
dcookies.c
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direct-io.c
O_DIRECT: fix the splitting up of contiguous I/O
2010-09-09 18:57:22 -07:00
drop_caches.c
simplify checks for I_CLEAR/I_FREEING
2010-08-09 16:47:44 -04:00
eventfd.c
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eventpoll.c
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exec.c
Export dump_{write,seek} to binary loader modules
2010-10-14 19:15:28 -07:00
fcntl.c
vfs: take O_NONBLOCK out of the O_* uniqueness test
2010-09-09 18:57:25 -07:00
fifo.c
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file_table.c
fs: scale files_lock
2010-08-18 08:35:48 -04:00
file.c
vfs: use kmalloc() to allocate fdmem if possible
2010-08-11 08:59:02 -07:00
filesystems.c
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fs_struct.c
fs: fs_struct rwlock to spinlock
2010-08-18 08:35:46 -04:00
fs-writeback.c
Add new functions for triggering inode writeback
2010-10-29 11:25:29 -04:00
generic_acl.c
vfs: update ctime when changing the file's permission by setfacl
2010-08-18 01:04:22 -04:00
inode.c
Merge branch 'for-linus' of git://git.infradead.org/users/eparis/notify
2010-08-10 11:39:13 -07:00
internal.h
fs: brlock vfsmount_lock
2010-08-18 08:35:48 -04:00
ioctl.c
bkl: Remove locked .ioctl file operation
2010-08-14 00:24:24 +02:00
ioprio.c
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Kconfig
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Kconfig.binfmt
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libfs.c
check ATTR_SIZE contraints in inode_change_ok
2010-08-09 16:47:39 -04:00
locks.c
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Makefile
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mbcache.c
mbcache: Limit the maximum number of cache entries
2010-08-18 06:24:41 -04:00
mpage.c
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namei.c
fs: brlock vfsmount_lock
2010-08-18 08:35:48 -04:00
namespace.c
VFS: Sanity check mount flags passed to change_mnt_propagation()
2010-09-07 13:46:20 -07:00
nfsctl.c
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no-block.c
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open.c
fs: cleanup files_lock locking
2010-08-18 08:35:47 -04:00
pipe.c
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pnode.c
fs: brlock vfsmount_lock
2010-08-18 08:35:48 -04:00
pnode.h
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posix_acl.c
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read_write.c
fsnotify: pass a file instead of an inode to open, read, and write
2010-07-28 09:58:32 -04:00
read_write.h
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readdir.c
vfs: fix warning: 'dirent' is used uninitialized in this function
2010-08-09 20:45:05 -07:00
select.c
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seq_file.c
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signalfd.c
signalfd: fill in ssi_int for posix timers and message queues
2010-08-11 08:59:20 -07:00
splice.c
splice: fix misuse of SPLICE_F_NONBLOCK
2010-08-07 18:52:56 +02:00
stack.c
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stat.c
Mark arguments to certain syscalls as being const
2010-08-13 16:53:13 -07:00
statfs.c
add f_flags to struct statfs(64)
2010-08-09 16:48:44 -04:00
super.c
fs: scale files_lock
2010-08-18 08:35:48 -04:00
sync.c
get rid of file_fsync()
2010-08-09 16:47:43 -04:00
timerfd.c
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utimes.c
Mark arguments to certain syscalls as being const
2010-08-13 16:53:13 -07:00
xattr_acl.c
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xattr.c
…