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Kirill A. Shutemov cb900f4121 mm, hugetlb: convert hugetlbfs to use split pmd lock 
Hugetlb supports multiple page sizes. We use split lock only for PMD
level, but not for PUD.

[akpm@linux-foundation.org: coding-style fixes]
Signed-off-by: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Tested-by: Alex Thorlton <athorlton@sgi.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: "Eric W . Biederman" <ebiederm@xmission.com>
Cc: "Paul E . McKenney" <paulmck@linux.vnet.ibm.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: Dave Hansen <dave.hansen@intel.com>
Cc: Dave Jones <davej@redhat.com>
Cc: David Howells <dhowells@redhat.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Kees Cook <keescook@chromium.org>
Cc: Mel Gorman <mgorman@suse.de>
Cc: Michael Kerrisk <mtk.manpages@gmail.com>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Rik van Riel <riel@redhat.com>
Cc: Robin Holt <robinmholt@gmail.com>
Cc: Sedat Dilek <sedat.dilek@gmail.com>
Cc: Srikar Dronamraju <srikar@linux.vnet.ibm.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Hugh Dickins <hughd@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-11-15 09:32:14 +09:00
..
9p
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2013-11-13 15:34:18 +09:00
adfs
adfs: delayed freeing of sbi
2013-10-24 23:43:27 -04:00
affs
truncate: drop 'oldsize' truncate_pagecache() parameter
2013-09-12 15:38:02 -07:00
afs
Merge branch 'fscache' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs into linux-next
2013-10-28 19:36:46 -04:00
autofs4
autofs4: make freeing sbi rcu-delayed
2013-10-24 23:43:27 -04:00
befs
befs: split symlink iops in two - for short and long symlinks resp.
2013-10-24 23:34:50 -04:00
bfs
truncate: drop 'oldsize' truncate_pagecache() parameter
2013-09-12 15:38:02 -07:00
btrfs
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs
2013-10-18 16:46:21 -07:00
cachefiles
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2013-11-13 15:34:18 +09:00
ceph
FS-Cache: Provide the ability to enable/disable cookies
2013-09-27 18:40:25 +01:00
cifs
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2013-11-13 15:34:18 +09:00
coda
coda_revalidate_inode(): switch to passing inode...
2013-11-09 00:16:21 -05:00
configfs
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2013-07-14 11:42:26 -07:00
cramfs
cramfs: mark as obsolete
2013-11-13 12:09:12 +09:00
debugfs
debugfs: use list_next_entry() in debugfs_remove_recursive()
2013-11-13 12:09:24 +09:00
devpts
devpts: plug the memory leak in kill_sb
2013-11-13 12:09:36 +09:00
dlm
dlm: Avoid that dlm_release_lockspace() incorrectly returns -EBUSY
2013-10-16 10:32:42 -05:00
ecryptfs
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2013-11-13 15:34:18 +09:00
efivarfs
efivarfs: we can use simple_lookup() now
2013-07-14 17:48:35 +04:00
efs
efs: iget_locked() doesn't return an ERR_PTR()
2013-08-24 12:10:22 -04:00
exofs
truncate: drop 'oldsize' truncate_pagecache() parameter
2013-09-12 15:38:02 -07:00
exportfs
exportfs: fix quadratic behavior in filehandle lookup
2013-11-09 00:16:38 -05:00
ext2
ext2: Fix fs corruption in ext2_get_xip_mem()
2013-11-05 11:26:47 +01:00
ext3
Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs
2013-11-13 15:25:47 +09:00
ext4
Ext4 updates for 3.13. Mostly bug fixes and cleanups.
2013-11-14 17:19:58 +09:00
f2fs
f2fs: issue more large discard command
2013-11-11 09:36:32 +09:00
fat
fat: rcu-delay unloading nls and freeing sbi
2013-10-24 23:43:28 -04:00
freevxfs
[readdir] convert freevxfs
2013-06-29 12:56:53 +04:00
fscache
Merge branch 'for-3.13/core' of git://git.kernel.dk/linux-block
2013-11-14 12:08:14 +09:00
fuse
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2013-11-13 15:34:18 +09:00
gfs2
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2013-11-13 15:34:18 +09:00
hfs
fs/hfs/btree.h: remove duplicate defines
2013-11-13 12:09:32 +09:00
hfsplus
hfsplus: implement attributes file creation functionality
2013-11-13 12:09:32 +09:00
hostfs
um: hostfs: Fix writeback
2013-09-07 10:38:29 +02:00
hpfs
locks: break delegations on any attribute modification
2013-11-09 00:16:44 -05:00
hppfs
clean up scary strncpy(dst, src, strlen(src)) uses
2013-07-03 16:07:41 -07:00
hugetlbfs
cope with potentially long ->d_dname() output for shmem/hugetlb
2013-08-24 12:10:17 -04:00
isofs
isofs: don't pass dentry to isofs_hash{i,}_common()
2013-10-24 23:34:59 -04:00
jbd
jbd: Revert "jbd: remove dependency on __GFP_NOFAIL"
2013-10-31 20:37:15 +01:00
jbd2
jbd2: Fix endian mixing problems in the checksumming code
2013-08-28 14:59:58 -04:00
jffs2
jffs2: do not support the MLC nand
2013-10-27 16:27:07 -07:00
jfs
Just a patch to fix an oops in an error path.
2013-10-22 09:01:11 +01:00
lockd
LOCKD: Don't call utsname()->nodename from nlmclnt_setlockargs
2013-08-05 15:03:46 -04:00
logfs
Lots of bug fixes, cleanups and optimizations. In the bug fixes
2013-07-02 09:39:34 -07:00
minix
fs/minix: Drop dependency on H8300
2013-09-16 18:20:25 -07:00
ncpfs
ncpfs: rcu-delay unload_nls() and freeing ncp_server
2013-10-24 23:43:28 -04:00
nfs
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2013-11-13 15:34:18 +09:00
nfs_common
…
nfsd
locks: break delegations on any attribute modification
2013-11-09 00:16:44 -05:00
nilfs2
nilfs2: fix issue with race condition of competition between segments for dirty blocks
2013-09-30 14:31:02 -07:00
nls
…
notify
fsnotify: update comments concerning locking scheme
2013-07-09 10:33:20 -07:00
ntfs
iget/iget5: don't bother with ->i_lock until we find a match
2013-11-09 00:16:31 -05:00
ocfs2
Merge branch 'akpm' (patches from Andrew Morton)
2013-11-13 15:45:43 +09:00
omfs
truncate: drop 'oldsize' truncate_pagecache() parameter
2013-09-12 15:38:02 -07:00
openpromfs
[readdir] convert openpromfs
2013-06-29 12:56:32 +04:00
proc
mm, hugetlb: convert hugetlbfs to use split pmd lock
2013-11-15 09:32:14 +09:00
pstore
pstore: Remove the messages related to compression failure
2013-09-16 09:28:29 -07:00
qnx4
qnx4: i_sb is never NULL
2013-11-09 00:16:32 -05:00
qnx6
[readdir] convert qnx6
2013-06-29 12:56:39 +04:00
quota
quota: info leak in quota_getquota()
2013-11-04 14:16:55 +01:00
ramfs
initmpfs: move rootfs code from fs/ramfs/ to init/
2013-09-11 15:59:37 -07:00
reiserfs
reiserfs: fix race with flush_used_journal_lists and flush_journal_list
2013-09-24 11:24:21 +02:00
romfs
[readdir] convert romfs
2013-06-29 12:56:29 +04:00
squashfs
Squashfs: add corruption check for type in squashfs_readdir()
2013-09-06 04:57:54 +01:00
sysfs
Revert "sysfs: drop kobj_ns_type handling"
2013-11-07 20:47:28 +09:00
sysv
sysv: Add forgotten superblock lock init for v7 fs
2013-09-29 22:02:02 -04:00
ubifs
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2013-11-13 15:34:18 +09:00
udf
udf: fix for pathetic mount times in case of invalid file system
2013-10-18 22:39:07 +02:00
ufs
truncate: drop 'oldsize' truncate_pagecache() parameter
2013-09-12 15:38:02 -07:00
xfs
xfs: update for v3.13-rc1
2013-11-14 17:16:35 +09:00
aio.c
aio: checking for NULL instead of IS_ERR
2013-11-13 07:30:53 -05:00
anon_inodes.c
... and kill anon_inode_getfile_private()
2013-11-09 00:16:28 -05:00
attr.c
locks: break delegations on any attribute modification
2013-11-09 00:16:44 -05:00
bad_inode.c
[readdir] ->readdir() is gone
2013-06-29 12:57:04 +04:00
binfmt_aout.c
dump_skip(): dump_seek() replacement taking coredump_params
2013-11-09 00:16:26 -05:00
binfmt_elf_fdpic.c
elf{,_fdpic} coredump: get rid of pointless if (siginfo->si_signo)
2013-11-09 00:16:30 -05:00
binfmt_elf.c
elf{,_fdpic} coredump: get rid of pointless if (siginfo->si_signo)
2013-11-09 00:16:30 -05:00
binfmt_em86.c
file->f_op is never NULL...
2013-10-24 23:34:54 -04:00
binfmt_flat.c
new helper: read_code()
2013-04-29 15:40:23 -04:00
binfmt_misc.c
binfmt_misc: reuse string_unescape_inplace()
2013-04-30 17:04:03 -07:00
binfmt_script.c
…
binfmt_som.c
…
bio-integrity.c
Merge branch 'for-3.12/core' of git://git.kernel.dk/linux-block
2013-09-22 15:00:11 -07:00
bio.c
block: Consolidate duplicated bio_trim() implementations
2013-11-08 09:02:31 -07:00
block_dev.c
a trivial writeback fix
2013-09-13 23:06:40 -04:00
buffer.c
fs: buffer: move allocation failure loop into the allocator
2013-10-16 21:35:53 -07:00
char_dev.c
Merge branch 'for-3.13/core' of git://git.kernel.dk/linux-block
2013-11-14 12:08:14 +09:00
compat_binfmt_elf.c
…
compat_ioctl.c
file->f_op is never NULL...
2013-10-24 23:34:54 -04:00
compat.c
[readdir] constify ->actor
2013-06-29 12:57:05 +04:00
coredump.c
constify do_coredump() argument
2013-11-09 00:16:29 -05:00
coredump.h
…
dcache.c
Merge branch 'core-locking-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2013-11-14 16:30:30 +09:00
dcookies.c
consolidate compat lookup_dcookie()
2013-03-03 23:00:23 -05:00
direct-io.c
direct-io: Use return from cmpxchg to decide of assignment happened
2013-09-09 10:47:42 -07:00
drop_caches.c
shrinker: add node awareness
2013-09-10 18:56:31 -04:00
eventfd.c
…
eventpoll.c
Merge branch 'akpm' (patches from Andrew Morton)
2013-11-13 15:45:43 +09:00
exec.c
Merge branch 'akpm' (patches from Andrew Morton)
2013-11-13 15:45:43 +09:00
fcntl.c
file->f_op is never NULL...
2013-10-24 23:34:54 -04:00
fhandle.c
…
file_table.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2013-11-13 15:34:18 +09:00
file.c
don't bother with deferred freeing of fdtables
2013-05-01 17:31:42 -04:00
filesystems.c
fs: Limit sys_mount to only request filesystem modules.
2013-03-03 19:36:31 -08:00
fs_struct.c
seqcount: Add lockdep functionality to seqcount/seqlock structures
2013-11-06 12:40:26 +01:00
fs-writeback.c
Merge branch 'akpm' (patches from Andrew Morton)
2013-11-13 15:45:43 +09:00
generic_acl.c
…
inode.c
locks: break delegations on any attribute modification
2013-11-09 00:16:44 -05:00
internal.h
get rid of s_files and files_lock
2013-11-09 00:16:20 -05:00
ioctl.c
file->f_op is never NULL...
2013-10-24 23:34:54 -04:00
ioprio.c
…
Kconfig
efivarfs: Move to fs/efivarfs
2013-04-17 13:25:09 +01:00
Kconfig.binfmt
fs: make binfmt support for #! scripts modular and removable
2013-04-30 17:04:04 -07:00
libfs.c
take anon inode allocation to libfs.c
2013-11-09 00:16:27 -05:00
locks.c
locks: missing unlock on error in generic_add_lease()
2013-11-13 07:30:53 -05:00
Makefile
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2013-05-01 17:51:54 -07:00
mbcache.c
fs: convert fs shrinkers to new scan/count API
2013-09-10 18:56:31 -04:00
mount.h
RCU'd vfsmounts
2013-11-09 00:16:19 -05:00
mpage.c
…
namei.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2013-11-13 15:34:18 +09:00
namespace.c
RCU'd vfsmounts
2013-11-09 00:16:19 -05:00
no-block.c
…
open.c
locks: break delegations on any attribute modification
2013-11-09 00:16:44 -05:00
pipe.c
aio: don't include aio.h in sched.h
2013-05-07 20:16:25 -07:00
pnode.c
split __lookup_mnt() in two functions
2013-10-24 23:35:00 -04:00
pnode.h
vfs: Don't copy mount bind mounts of /proc/<pid>/ns/mnt between namespaces
2013-08-26 18:42:15 -07:00
posix_acl.c
…
proc_namespace.c
don't bother with vfsmount_lock in mounts_poll()
2013-10-24 23:34:59 -04:00
read_write.c
file->f_op is never NULL...
2013-10-24 23:34:54 -04:00
readdir.c
file->f_op is never NULL...
2013-10-24 23:34:54 -04:00
select.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2013-11-13 15:34:18 +09:00
seq_file.c
seq_file: always update file->f_pos in seq_lseek()
2013-10-25 10:46:40 -04:00
signalfd.c
switch signalfd{,4}() to COMPAT_SYSCALL_DEFINE
2013-03-03 22:58:46 -05:00
splice.c
file->f_op is never NULL...
2013-10-24 23:34:54 -04:00
stack.c
…
stat.c
vfs: split out vfs_getattr_nosec
2013-11-09 00:16:31 -05:00
statfs.c
vfs: allow O_PATH file descriptors for fstatfs()
2013-10-12 13:12:31 -07:00
super.c
get rid of s_files and files_lock
2013-11-09 00:16:20 -05:00
sync.c
Merge branch 'akpm' (patches from Andrew Morton)
2013-11-13 15:45:43 +09:00
timerfd.c
timerfd: Add alarm timers
2013-05-29 12:57:34 -07:00
utimes.c
locks: break delegations on any attribute modification
2013-11-09 00:16:44 -05:00
xattr_acl.c
…
xattr.c
…