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Fabian Frederick ed3ad79f87 fs/ufs/super.c: fix potential race condition 
Let locking subsystem decide on mutex management.  As reported by Andrew
Morton this patch fixes a bug:

: lock_ufs() is assuming that on non-preempt uniprocessor, the calling
: code will run atomically up to the matching unlock_ufs().
:
: But that isn't true. The very first site I looked at (ufs_frag_map)
: does sb_bread() under lock_ufs().  And sb_bread() will call schedule(),
: very commonly.
:
: The ->mutex_owner stuff is a bit hacky but should work OK.

Signed-off-by: Fabian Frederick <fabf@skynet.be>
Cc: Evgeniy Dushistov <dushistov@mail.ru>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-02-17 14:34:51 -08:00
..
9p
Merge branch 'for-3.20/bdi' of git://git.kernel.dk/linux-block
2015-02-12 13:50:21 -08:00
adfs
adfs: add __printf verification, fix format/argument mismatches
2014-08-08 15:57:24 -07:00
affs
fs/affs/file.c: remove obsolete pagesize check
2014-12-13 12:42:52 -08:00
afs
Merge branch 'for-3.20/bdi' of git://git.kernel.dk/linux-block
2015-02-12 13:50:21 -08:00
autofs4
assorted conversions to %p[dD]
2014-11-19 13:01:20 -05:00
befs
fs/befs/linuxvfs.c: remove unnecessary casting
2015-02-17 14:34:50 -08:00
bfs
fs/bfs: use bfs prefix for dump_imap
2014-08-08 15:57:24 -07:00
btrfs
Merge branch 'for-3.20/bdi' of git://git.kernel.dk/linux-block
2015-02-12 13:50:21 -08:00
cachefiles
assorted conversions to %p[dD]
2014-11-19 13:01:20 -05:00
ceph
Merge branch 'for-3.20/bdi' of git://git.kernel.dk/linux-block
2015-02-12 13:50:21 -08:00
cifs
Merge branch 'for-3.20/bdi' of git://git.kernel.dk/linux-block
2015-02-12 13:50:21 -08:00
coda
fs/coda/dir.c: forward declaration clean-up
2015-02-17 14:34:50 -08:00
configfs
fs: remove mapping->backing_dev_info
2015-01-20 14:03:05 -07:00
cramfs
fs/cramfs/inode.c: use linux/uaccess.h
2014-08-08 15:57:25 -07:00
debugfs
Driver core patches for 3.19-rc1
2014-12-14 16:10:09 -08:00
devpts
…
dlm
netlink: make nlmsg_end() and genlmsg_end() void
2015-01-18 01:03:45 -05:00
ecryptfs
fs: remove mapping->backing_dev_info
2015-01-20 14:03:05 -07:00
efivarfs
* Move efivarfs from the misc filesystem section to pseudo filesystem,
2015-01-29 19:16:40 +01:00
efs
…
exofs
vfs: remove get_xip_mem
2015-02-16 17:56:03 -08:00
exportfs
move d_rcu from overlapping d_child to overlapping d_alias
2014-11-03 15:20:29 -05:00
ext2
ext2: get rid of most mentions of XIP in ext2
2015-02-16 17:56:04 -08:00
ext3
ext3: destroy sbi mutexes in put_super
2015-01-05 11:13:55 +01:00
ext4
ext4: add DAX functionality
2015-02-16 17:56:04 -08:00
f2fs
Merge tag 'for-f2fs-3.20' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs
2015-02-12 19:28:50 -08:00
fat
fat: fix data past EOF resulting from fsx testsuite
2014-12-13 12:42:51 -08:00
freevxfs
…
fscache
fs/fscache/object-list.c: use __seq_open_private()
2014-10-13 17:52:21 +01:00
fuse
Merge branch 'for-3.20/bdi' of git://git.kernel.dk/linux-block
2015-02-12 13:50:21 -08:00
gfs2
Merge branch 'akpm' (patches from Andrew)
2015-02-12 18:54:28 -08:00
hfs
fs/hfs/catalog.c: fix comparison bug in hfs_cat_keycmp
2014-12-10 17:41:16 -08:00
hfsplus
hfsplus: fix longname handling
2014-12-18 19:08:10 -08:00
hostfs
…
hpfs
…
hppfs
vfs: make first argument of dir_context.actor typed
2014-10-31 17:48:54 -04:00
hugetlbfs
fs: remove mapping->backing_dev_info
2015-01-20 14:03:05 -07:00
isofs
isofs: Fix bug in the way to check if the year is a leap year
2015-01-07 09:51:49 +01:00
jbd
jbd: Deletion of an unnecessary check before the function call "iput"
2014-11-18 10:15:29 +01:00
jbd2
Lots of bugs fixes, including Zheng and Jan's extent status shrinker
2014-12-12 09:28:03 -08:00
jffs2
jffs2: Drop bogus if in comment
2014-11-28 18:23:44 -08:00
jfs
jfs: Deletion of an unnecessary check before the function call "unload_nls"
2015-02-02 15:02:34 -06:00
kernfs
kernfs: remove KERNFS_STATIC_NAME
2015-02-13 21:21:36 -08:00
lockd
Merge branch 'for-3.20' of git://linux-nfs.org/~bfields/linux
2015-02-12 10:39:41 -08:00
logfs
…
minix
…
ncpfs
fs: remove mapping->backing_dev_info
2015-01-20 14:03:05 -07:00
nfs
Merge branch 'for-3.20/bdi' of git://git.kernel.dk/linux-block
2015-02-12 13:50:21 -08:00
nfs_common
lockd: move lockd's grace period handling into its own module
2014-09-17 16:33:11 -04:00
nfsd
nfsd: default NFSv4.2 to on
2015-02-09 14:58:50 -05:00
nilfs2
Merge branch 'for-3.20/bdi' of git://git.kernel.dk/linux-block
2015-02-12 13:50:21 -08:00
nls
…
notify
fanotify: don't set FAN_ONDIR implicitly on a marks ignored mask
2015-02-10 14:30:28 -08:00
ntfs
fs: export inode_to_bdi and use it in favor of mapping->backing_dev_info
2015-01-20 14:03:04 -07:00
ocfs2
ocfs2: set append dio as a ro compat feature
2015-02-16 17:56:05 -08:00
omfs
FS/OMFS: block number sanity check during fill_super operation
2014-10-14 02:18:22 +02:00
openpromfs
…
overlayfs
Merge branch 'iov_iter' into for-next
2014-12-08 20:39:29 -05:00
proc
proc: use %*pb[l] to print bitmaps including cpumasks and nodemasks
2015-02-13 21:21:38 -08:00
pstore
pstore: Fix sprintf format specifier in pstore_dump()
2015-01-16 16:01:29 -08:00
qnx4
…
qnx6
fs/qnx6: update debugging to current functions
2014-08-08 15:57:26 -07:00
quota
Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs
2015-02-10 15:52:38 -08:00
ramfs
fs: remove mapping->backing_dev_info
2015-01-20 14:03:05 -07:00
reiserfs
Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs
2014-12-16 15:46:01 -08:00
romfs
fs: remove mapping->backing_dev_info
2015-01-20 14:03:05 -07:00
squashfs
Squashfs: Add LZ4 compression configuration option
2014-11-27 18:48:44 +00:00
sysfs
driver core patches for 3.20-rc1
2015-02-15 11:11:47 -08:00
sysv
…
ubifs
Merge branch 'for-linus-v3.20' of git://git.infradead.org/linux-ubifs
2015-02-15 10:11:39 -08:00
udf
udf: remove bool assignment to 0/1
2015-02-05 16:34:25 +01:00
ufs
fs/ufs/super.c: fix potential race condition
2015-02-17 14:34:51 -08:00
xfs
Merge branch 'akpm' (patches from Andrew)
2015-02-12 18:54:28 -08:00
aio.c
Merge branch 'for-3.20/bdi' of git://git.kernel.dk/linux-block
2015-02-12 13:50:21 -08:00
anon_inodes.c
…
attr.c
…
bad_inode.c
…
binfmt_aout.c
assorted conversions to %p[dD]
2014-11-19 13:01:20 -05:00
binfmt_elf_fdpic.c
handle suicide on late failure exits in execve() in search_binary_handler()
2014-10-09 02:39:00 -04:00
binfmt_elf.c
Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus
2014-12-11 17:56:37 -08:00
binfmt_em86.c
syscalls: implement execveat() system call
2014-12-13 12:42:51 -08:00
binfmt_flat.c
…
binfmt_misc.c
unfuck binfmt_misc.c (broken by commit e6084d4)
2014-12-17 08:27:14 -05:00
binfmt_script.c
syscalls: implement execveat() system call
2014-12-13 12:42:51 -08:00
binfmt_som.c
…
block_dev.c
Merge branch 'for-3.20/core' of git://git.kernel.dk/linux-block
2015-02-12 14:13:23 -08:00
buffer.c
fs: clarify rate limit suppressed buffer I/O errors
2014-10-21 13:55:11 -06:00
char_dev.c
fs: introduce f_op->mmap_capabilities for nommu mmap support
2015-01-20 14:02:58 -07:00
compat_binfmt_elf.c
…
compat_ioctl.c
…
compat.c
vfs: make first argument of dir_context.actor typed
2014-10-31 17:48:54 -04:00
coredump.c
coredump: add %i/%I in core_pattern to report the tid of the crashed thread
2014-10-14 02:18:21 +02:00
dax.c
dax: add dax_zero_page_range
2015-02-16 17:56:04 -08:00
dcache.c
fs: dcache: manually unpoison dname after allocation to shut up kasan's reports
2015-02-13 21:21:41 -08:00
dcookies.c
…
direct-io.c
fuse: honour max_read and max_write in direct_io mode
2014-09-26 21:16:51 -04:00
drop_caches.c
vmscan: per memory cgroup slab shrinkers
2015-02-12 18:54:09 -08:00
eventfd.c
fs: Convert show_fdinfo functions to void
2014-11-05 14:13:23 -05:00
eventpoll.c
epoll: optimize setting task running after blocking
2015-02-13 21:21:40 -08:00
exec.c
syscalls: implement execveat() system call
2014-12-13 12:42:51 -08:00
fcntl.c
vfs: renumber FMODE_NONOTIFY and add to uniqueness check
2015-01-08 15:10:52 -08:00
fhandle.c
…
file_table.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2014-10-13 11:28:42 +02:00
file.c
fs/file.c: replace get_unused_fd() with get_unused_fd_flags(0)
2014-12-10 17:41:10 -08:00
filesystems.c
…
fs_pin.c
…
fs_struct.c
…
fs-writeback.c
fs: make inode_to_bdi() handle NULL inode
2015-01-22 08:13:17 -07:00
inode.c
Merge branch 'akpm' (patches from Andrew)
2015-02-12 18:54:28 -08:00
internal.h
list_lru: introduce list_lru_shrink_{count,walk}
2015-02-12 18:54:08 -08:00
ioctl.c
fsioctl.c: make generic_block_fiemap() signal-tolerant
2015-02-10 14:30:30 -08:00
Kconfig
dax: does not work correctly with virtual aliasing caches
2015-02-16 17:56:04 -08:00
Kconfig.binfmt
binfmt_elf: allow arch code to examine PT_LOPROC ... PT_HIPROC headers
2014-11-24 07:45:02 +01:00
libfs.c
move d_rcu from overlapping d_child to overlapping d_alias
2014-11-03 15:20:29 -05:00
locks.c
fs: add FL_LAYOUT lease type
2015-02-02 18:09:38 +01:00
Makefile
vfs,ext2: remove CONFIG_EXT2_FS_XIP and rename CONFIG_FS_XIP to CONFIG_FS_DAX
2015-02-16 17:56:04 -08:00
mbcache.c
…
mount.h
common object embedded into various struct ....ns
2014-12-04 14:31:00 -05:00
mpage.c
vfs: guard end of device for mpage interface
2014-10-09 22:25:53 -04:00
namei.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2014-12-16 15:53:03 -08:00
namespace.c
fs/namespace: convert devname allocation to kstrdup_const
2015-02-13 21:21:36 -08:00
no-block.c
…
nsfs.c
take the targets of /proc/*/ns/* symlinks to separate fs
2014-12-10 21:30:20 -05:00
open.c
vfs: remove get_xip_mem
2015-02-16 17:56:03 -08:00
pipe.c
…
pnode.c
mnt: Move the clear of MNT_LOCKED from copy_tree to it's callers.
2014-12-02 10:46:50 -06:00
pnode.h
…
posix_acl.c
…
proc_namespace.c
vfs: make mounts and mountstats honor root dir like mountinfo does
2014-12-17 08:27:15 -05:00
read_write.c
locks: convert posix locks to file_lock_context
2015-01-16 16:08:16 -05:00
readdir.c
vfs: make first argument of dir_context.actor typed
2014-10-31 17:48:54 -04:00
select.c
all arches, signal: move restart_block to struct task_struct
2015-02-12 18:54:12 -08:00
seq_file.c
bitmap, cpumask, nodemask: remove dedicated formatting functions
2015-02-13 21:21:39 -08:00
signalfd.c
fs: Convert show_fdinfo functions to void
2014-11-05 14:13:23 -05:00
splice.c
vfs: export do_splice_direct() to modules
2014-10-24 00:14:35 +02:00
stack.c
fs: fix comment for 'CONFIG_LBADF'
2014-08-26 09:35:56 +02:00
stat.c
…
statfs.c
…
super.c
Merge branch 'akpm' (patches from Andrew)
2015-02-12 18:54:28 -08:00
sync.c
kill f_dentry uses
2014-11-19 13:01:25 -05:00
timerfd.c
fs: Convert show_fdinfo functions to void
2014-11-05 14:13:23 -05:00
utimes.c
…
xattr.c
new helper: audit_file()
2014-11-19 13:01:26 -05:00