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Matthew Wilcox fbbbad4bc2 vfs,ext2: introduce IS_DAX(inode) 
Use an inode flag to tag inodes which should avoid using the page cache.
Convert ext2 to use it instead of mapping_is_xip().  Prevent I/Os to files
tagged with the DAX flag from falling back to buffered I/O.

Signed-off-by: Matthew Wilcox <matthew.r.wilcox@intel.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Reviewed-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Andreas Dilger <andreas.dilger@intel.com>
Cc: Boaz Harrosh <boaz@plexistor.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Dave Chinner <david@fromorbit.com>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Randy Dunlap <rdunlap@infradead.org>
Cc: Ross Zwisler <ross.zwisler@linux.intel.com>
Cc: Theodore Ts'o <tytso@mit.edu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-02-16 17:56:03 -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
befs: remove dead code
2014-12-13 12:42:51 -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: introduce f_op->mmap_capabilities for nommu mmap support
2015-01-20 14:02:58 -07:00
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
fs/devpts/inode.c: convert printk to pr_foo()
2014-06-06 16:08:14 -07:00
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
fs/efs/namei.c: return is not a function
2014-08-08 15:57:18 -07:00
exofs
fs: remove mapping->backing_dev_info
2015-01-20 14:03:05 -07:00
exportfs
move d_rcu from overlapping d_child to overlapping d_alias
2014-11-03 15:20:29 -05:00
ext2
vfs,ext2: introduce IS_DAX(inode)
2015-02-16 17:56:03 -08:00
ext3
ext3: destroy sbi mutexes in put_super
2015-01-05 11:13:55 +01:00
ext4
Merge branch 'for-3.20/bdi' of git://git.kernel.dk/linux-block
2015-02-12 13:50:21 -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
Major changes for 3.14 include support for the newly added ZERO_RANGE
2014-04-04 15:39:39 -07:00
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
hostfs: support rename flags
2014-08-07 14:40:09 -04:00
hpfs
fs/hpfs/dnode.c: fix suspect code indent
2014-08-08 15:57:22 -07:00
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
fs/logfs/readwrite.c: kernel-doc warning fixes
2014-08-06 18:01:12 -07:00
minix
minix zmap block counts calculation fix
2014-08-08 15:57:20 -07:00
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
Merge branch 'for-3.20/bdi' of git://git.kernel.dk/linux-block
2015-02-12 13:50:21 -08:00
omfs
FS/OMFS: block number sanity check during fill_super operation
2014-10-14 02:18:22 +02:00
openpromfs
fs: push sync_filesystem() down to the file system's remount_fs()
2014-03-13 10:14:33 -04:00
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
fs: push sync_filesystem() down to the file system's remount_fs()
2014-03-13 10:14:33 -04:00
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
write_iter variants of {__,}generic_file_aio_write()
2014-05-06 17:38:00 -04:00
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/balloc.c: remove unused variable
2014-10-14 02:18:20 +02:00
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
vfs: Allocate anon_inode_inode in anon_inode_init()
2014-03-27 09:52:54 -07:00
attr.c
fs,userns: Change inode_capable to capable_wrt_inode_uidgid
2014-06-10 13:57:22 -07:00
bad_inode.c
bad_inode: add ->rename2()
2014-08-07 14:40:09 -04:00
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
fs/binfmt_flat.c: make old_reloc() static
2014-06-04 16:54:21 -07:00
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
binfmt_elf: add ELF_HWCAP2 to compat auxv entries
2014-03-04 08:05:21 +00:00
compat_ioctl.c
Bluetooth: Move HCI socket definitions into its own header file
2014-07-11 13:53:04 +03:00
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
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
sys_sysfs: Add CONFIG_SYSFS_SYSCALL
2014-04-03 16:21:05 -07:00
fs_pin.c
make fs/{namespace,super}.c forget about acct.h
2014-08-07 14:40:09 -04:00
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
fs: Make efivarfs a pseudo filesystem, built by default with EFI
2015-01-05 14:15:58 +00:00
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
Merge branch 'nsfs' into for-next
2014-12-10 21:31:59 -05:00
mbcache.c
fs/mbcache: replace __builtin_log2() with ilog2()
2014-06-25 22:08:29 -04:00
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
Merge branch 'for-3.19' of git://linux-nfs.org/~bfields/linux
2014-12-16 15:25:31 -08:00
pipe.c
new helper: copy_page_from_iter()
2014-05-06 17:39:42 -04:00
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
smarter propagate_mnt()
2014-04-01 23:19:08 -04:00
posix_acl.c
posix_acl: handle NULL ACL in posix_acl_equiv_mode
2014-05-06 13:58:42 -04:00
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