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Jan Kara a6abc2c0e7 dax: make cache flushing protected by entry lock 
Currently, flushing of caches for DAX mappings was ignoring entry lock.
So far this was ok (modulo a bug that a difference in entry lock could
cause cache flushing to be mistakenly skipped) but in the following
patches we will write-protect PTEs on cache flushing and clear dirty
tags.  For that we will need more exclusion.  So do cache flushing under
an entry lock.  This allows us to remove one lock-unlock pair of
mapping->tree_lock as a bonus.

Link: http://lkml.kernel.org/r/1479460644-25076-19-git-send-email-jack@suse.cz
Signed-off-by: Jan Kara <jack@suse.cz>
Reviewed-by: Ross Zwisler <ross.zwisler@linux.intel.com>
Cc: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2016-12-14 16:04:09 -08:00
..
9p
block,fs: untangle fs.h and blk_types.h
2016-11-01 09:43:26 -06:00
adfs
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2016-10-10 20:16:43 -07:00
affs
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2016-10-10 20:16:43 -07:00
afs
afs: call->operation_ID sometimes used as __be32 sometimes as u32
2016-10-13 17:03:52 +01:00
autofs4
autofs: refactor ioctl fn vector in iookup_dev_ioctl()
2016-10-11 15:06:31 -07:00
befs
befs fixes for 4.9-rc1
2016-10-15 12:09:13 -07:00
bfs
Merge remote-tracking branch 'ovl/rename2' into for-linus
2016-10-10 23:02:51 -04:00
btrfs
btrfs: better handle btrfs_printk() defaults
2016-12-14 16:04:07 -08:00
cachefiles
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2016-10-10 20:16:43 -07:00
ceph
ceph: don't set req->r_locked_dir in ceph_d_revalidate
2016-12-08 14:32:16 +01:00
cifs
Merge branch 'for-4.10/block' of git://git.kernel.dk/linux-block
2016-12-13 10:19:16 -08:00
coda
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2016-10-10 20:16:43 -07:00
configfs
Merge remote-tracking branch 'ovl/rename2' into for-linus
2016-10-10 23:02:51 -04:00
cramfs
…
crypto
fscrypt: Rename FS_WRITE_PATH_FL to FS_CTX_HAS_BOUNCE_BUFFER_FL
2016-12-11 16:33:18 -05:00
debugfs
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2016-10-10 20:16:43 -07:00
devpts
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2016-10-10 20:16:43 -07:00
dlm
dlm for 4.10
2016-12-14 08:31:37 -08:00
ecryptfs
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2016-10-10 20:16:43 -07:00
efivarfs
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2016-10-10 20:16:43 -07:00
efs
…
exofs
fs: exofs: print a hex number after a 0x prefix
2016-10-27 18:43:43 -07:00
exportfs
exportfs: be careful to only return expected errors.
2016-10-06 09:07:44 -04:00
ext2
ext2: use iomap_zero_range() for zeroing truncated page in DAX path
2016-11-20 20:47:07 -05:00
ext4
This merge request includes the dax-4.0-iomap-pmd branch which is
2016-12-14 09:17:42 -08:00
f2fs
This merge request includes the dax-4.0-iomap-pmd branch which is
2016-12-14 09:17:42 -08:00
fat
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2016-10-10 20:16:43 -07:00
freevxfs
freevxfs: update Kconfig information
2016-06-13 10:20:39 +02:00
fscache
Merge branch 'd_real' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs into work.misc
2016-06-30 23:34:49 -04:00
fuse
fuse: fix clearing suid, sgid for chown()
2016-12-06 16:18:45 +01:00
gfs2
writeback: add wbc_to_write_flags()
2016-11-02 10:24:03 -06:00
hfs
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2016-10-10 20:16:43 -07:00
hfsplus
block,fs: use REQ_* flags directly
2016-11-01 09:43:26 -06:00
hostfs
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2016-10-10 20:16:43 -07:00
hpfs
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2016-10-10 20:16:43 -07:00
hugetlbfs
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2016-10-10 20:16:43 -07:00
isofs
Merge branch 'for-4.10/block' of git://git.kernel.dk/linux-block
2016-12-13 10:19:16 -08:00
jbd2
Merge branch 'for-4.10/block' of git://git.kernel.dk/linux-block
2016-12-13 10:19:16 -08:00
jffs2
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2016-10-10 20:16:43 -07:00
jfs
The jfs piece of the current_time() series.
2016-12-14 08:30:08 -08:00
kernfs
kernfs: Declare two local data structures static
2016-11-29 20:58:31 +01:00
lockd
netns: make struct pernet_operations::id unsigned int
2016-11-18 10:59:15 -05:00
logfs
fs: logfs: remove unnecesary check
2016-11-22 08:57:55 -07:00
minix
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2016-10-10 20:16:43 -07:00
ncpfs
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2016-10-10 20:16:43 -07:00
nfs
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2016-11-26 23:42:21 -05:00
nfs_common
netns: make struct pernet_operations::id unsigned int
2016-11-18 10:59:15 -05:00
nfsd
netns: make struct pernet_operations::id unsigned int
2016-11-18 10:59:15 -05:00
nilfs2
block,fs: use REQ_* flags directly
2016-11-01 09:43:26 -06:00
nls
…
notify
fsnotify: clean up spinlock assertions
2016-10-07 18:46:26 -07:00
ntfs
Merge branch 'for-4.10/block' of git://git.kernel.dk/linux-block
2016-12-13 10:19:16 -08:00
ocfs2
Merge branch 'for-4.10/block' of git://git.kernel.dk/linux-block
2016-12-13 10:19:16 -08:00
omfs
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2016-10-10 20:16:43 -07:00
openpromfs
fs: Replace CURRENT_TIME with current_time() for inode timestamps
2016-09-27 21:06:21 -04:00
orangefs
Merge branch 'for-4.10/block' of git://git.kernel.dk/linux-block
2016-12-13 10:19:16 -08:00
overlayfs
ovl: fix d_real() for stacked fs
2016-11-29 10:20:24 +01:00
proc
xen: features and fixes for 4.10 rc0
2016-12-13 16:07:55 -08:00
pstore
Improvements and fixes to pstore subsystem:
2016-12-13 09:16:11 -08:00
qnx4
…
qnx6
…
quota
genetlink: mark families as __ro_after_init
2016-10-27 16:16:09 -04:00
ramfs
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2016-10-10 20:16:43 -07:00
reiserfs
mm: only include blk_types in swap.h if CONFIG_SWAP is enabled
2016-11-01 09:43:26 -06:00
romfs
…
squashfs
block,fs: untangle fs.h and blk_types.h
2016-11-01 09:43:26 -06:00
sysfs
Merge branch 'for-4.9' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup
2016-10-14 12:18:50 -07:00
sysv
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2016-10-10 20:16:43 -07:00
tracefs
fs: Replace CURRENT_TIME with current_time() for inode timestamps
2016-09-27 21:06:21 -04:00
ubifs
ubifs: Fix regression in ubifs_readdir()
2016-10-28 14:48:31 +02:00
udf
block,fs: untangle fs.h and blk_types.h
2016-11-01 09:43:26 -06:00
ufs
block,fs: untangle fs.h and blk_types.h
2016-11-01 09:43:26 -06:00
xfs
This merge request includes the dax-4.0-iomap-pmd branch which is
2016-12-14 09:17:42 -08:00
aio.c
aio: fix freeze protection of aio writes
2016-10-30 13:09:42 -04:00
anon_inodes.c
…
attr.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2016-10-10 20:16:43 -07:00
bad_inode.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2016-10-10 20:16:43 -07:00
binfmt_aout.c
fs: fix binfmt_aout.c build error
2016-05-28 16:34:59 -07:00
binfmt_elf_fdpic.c
elf_fdpic_transfer_args_to_stack(): make it generic
2016-07-25 16:51:49 +10:00
binfmt_elf.c
binfmt_elf: use vmalloc() for allocation of vma_filesz
2016-12-12 18:55:10 -08:00
binfmt_em86.c
fs/binfmt_em86.c: fix incompatible pointer type
2016-08-02 19:35:15 -04:00
binfmt_flat.c
binfmt_flat: allow compressed flat binary format to work on MMU systems
2016-07-28 13:29:12 +10:00
binfmt_misc.c
fs: Replace current_fs_time() with current_time()
2016-09-27 21:06:22 -04:00
binfmt_script.c
…
block_dev.c
block: protect iterate_bdevs() against concurrent close
2016-12-01 08:26:39 -07:00
buffer.c
Merge branch 'for-4.10/block' of git://git.kernel.dk/linux-block
2016-12-13 10:19:16 -08:00
char_dev.c
dax: define a unified inode/address_space for device-dax mappings
2016-08-23 22:58:51 -07:00
compat_binfmt_elf.c
…
compat_ioctl.c
fs: compat_ioctl: add pretimeout functions for watchdogs
2016-09-24 09:27:18 +02:00
compat.c
compat: remove compat_printk()
2016-09-27 21:20:53 -04:00
coredump.c
coredump: fix unfreezable coredumping task
2016-11-11 08:12:37 -08:00
dax.c
dax: make cache flushing protected by entry lock
2016-12-14 16:04:09 -08:00
dcache.c
Merge branch 'for-linus-2' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2016-08-07 10:01:14 -04:00
dcookies.c
…
direct-io.c
block: move poll code to blk-mq
2016-11-11 13:40:25 -07:00
drop_caches.c
…
eventfd.c
…
eventpoll.c
…
exec.c
mm: add locked parameter to get_user_pages_remote()
2016-12-14 16:04:08 -08:00
fcntl.c
…
fhandle.c
…
file_table.c
…
file.c
fs/file: more unsigned file descriptors
2016-09-27 18:47:38 -04:00
filesystems.c
…
fs_pin.c
…
fs_struct.c
…
fs-writeback.c
fs/fs-writeback.c: remove redundant if check
2016-12-12 18:55:08 -08:00
inode.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2016-10-10 20:16:43 -07:00
internal.h
Merge branch 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2016-10-10 13:04:49 -07:00
ioctl.c
vfs: cap dedupe request structure size at PAGE_SIZE
2016-09-15 13:29:52 -07:00
iomap.c
Merge branch 'dax-4.10-iomap-pmd' into origin
2016-11-13 22:02:15 -05:00
Kconfig
dax: remove "depends on BROKEN" from FS_DAX_PMD
2016-11-08 11:35:16 +11:00
Kconfig.binfmt
docs: fix locations of several documents that got moved
2016-10-24 08:12:35 -02:00
libfs.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2016-10-10 20:16:43 -07:00
locks.c
locking, fs/locks: Add missing file_sem locks
2016-10-18 12:21:28 +02:00
Makefile
fs: introduce iomap infrastructure
2016-06-21 09:23:11 +10:00
mbcache.c
mbcache: document that "find" functions only return reusable entries
2016-12-03 15:55:01 -05:00
mount.h
mnt: Add a per mount namespace limit on the number of mounts
2016-09-30 12:46:48 -05:00
mpage.c
writeback: add wbc_to_write_flags()
2016-11-02 10:24:03 -06:00
namei.c
Merge branch 'overlayfs-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs
2016-10-14 17:23:33 -07:00
namespace.c
This adds a new gcc plugin named "latent_entropy". It is designed to
2016-10-15 10:03:15 -07:00
no-block.c
…
nsfs.c
net: add an ioctl to get a socket network namespace
2016-10-31 10:56:36 -04:00
open.c
xfs: reflink update for 4.9-rc1
2016-10-13 20:28:22 -07:00
pipe.c
pipe: cap initial pipe capacity according to pipe-max-size limit
2016-10-11 15:06:32 -07:00
pnode.c
mnt: Add a per mount namespace limit on the number of mounts
2016-09-30 12:46:48 -05:00
pnode.h
mnt: Add a per mount namespace limit on the number of mounts
2016-09-30 12:46:48 -05:00
posix_acl.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2016-10-10 20:16:43 -07:00
proc_namespace.c
…
read_write.c
iov_iter: kernel-doc import_iovec() and rw_copy_check_uvector()
2016-10-14 20:00:34 -04:00
readdir.c
restore killability of old mutex_lock_killable(&inode->i_mutex) users
2016-05-26 00:13:25 -04:00
select.c
fs/select: add vmalloc fallback for select(2)
2016-10-11 15:06:30 -07:00
seq_file.c
seq/proc: modify seq_put_decimal_[u]ll to take a const char *, not char
2016-10-07 18:46:30 -07:00
signalfd.c
…
splice.c
Merge branch 'for-4.10/block' of git://git.kernel.dk/linux-block
2016-12-13 10:19:16 -08:00
stack.c
…
stat.c
…
statfs.c
…
super.c
fs/super.c: don't fool lockdep in freeze_super() and thaw_super() paths
2016-10-14 20:41:59 -04:00
sync.c
…
timerfd.c
timerfd: Reject ALARM timerfds without CAP_WAKE_ALARM
2016-06-09 23:42:38 +02:00
userfaultfd.c
mm: join struct fault_env and vm_fault
2016-12-14 16:04:09 -08:00
utimes.c
Merge remote-tracking branch 'jk/vfs' into work.misc
2016-10-08 11:06:08 -04:00
xattr.c
xattr: Fix setting security xattrs on sockfs
2016-11-17 00:00:23 -05:00