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Tao Ma a9063ab9a3 ocfs2: handle file attributes issue for reflink. 
A reflink creates a snapshot of a file, that means the attributes
must be identical except for three exceptions - nlink, ino, and ctime.

As for time changes, Here is a brief description:

1. Source file:
   1) atime: Ignore. Let the lazy atime code handle that.
   2) mtime: don't touch.
   3) ctime: If we change the tree (adding REFCOUNTED to at least one
             extent), update it.
2. Destination file:
   1) atime: ignore.
   2) mtime: we want it to appear identical to the source.
   3) ctime: update.

The idea here is that an ls -l will show the same time for the
src and target - it shows mtime.  Backup software like rsync and tar
will treat the new file correctly too.

Signed-off-by: Tao Ma <tao.ma@oracle.com>
2009-09-22 20:09:39 -07:00
..
9p
9P doesn't need BKL in ->umount_begin()
2009-06-17 00:36:36 -04:00
adfs
Cleanup of adfs headers
2009-06-17 00:36:36 -04:00
affs
affs: add ->sync_fs
2009-06-11 21:36:14 -04:00
afs
headers: mnt_namespace.h redux
2009-07-08 09:31:56 -07:00
autofs
switch follow_down()
2009-06-11 21:36:01 -04:00
autofs4
switch follow_down()
2009-06-11 21:36:01 -04:00
befs
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6
2009-06-17 08:46:57 -07:00
bfs
bfs: add ->sync_fs
2009-06-11 21:36:14 -04:00
btrfs
Merge git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstable
2009-07-02 16:52:38 -07:00
cachefiles
enforce ->sync_fs is only called for rw superblock
2009-06-11 21:36:06 -04:00
cifs
cifs: fix fh_mutex locking in cifs_reopen_file
2009-06-27 23:46:43 +00:00
coda
splice: implement default splice_read method
2009-05-11 14:13:10 +02:00
configfs
configfs: Rework configfs_depend_item() locking and make lockdep happy
2009-04-30 10:48:26 -07:00
cramfs
fs/cramfs: return f_fsid for statfs(2)
2009-04-02 19:05:08 -07:00
debugfs
debugfs: use specified mode to possibly mark files read/write only
2009-06-15 21:30:28 -07:00
devpts
devpts: remove module-related code
2009-06-24 08:15:24 -04:00
dlm
dlm: use more NOFS allocation
2009-05-15 11:24:59 -05:00
ecryptfs
push BKL down into ->put_super
2009-06-11 21:36:07 -04:00
efs
get rid of BKL in fs/efs
2009-06-17 00:36:36 -04:00
exofs
[SCSI] Merge branch 'linus'
2009-06-12 10:02:03 -05:00
exportfs
…
ext2
ext2: return -EIO not -ESTALE on directory traversal through deleted inode
2009-06-30 18:56:00 -07:00
ext3
helpers for acl caching + switch to those
2009-06-24 08:17:07 -04:00
ext4
helpers for acl caching + switch to those
2009-06-24 08:17:07 -04:00
fat
fat: Fix the removal of opts->fs_dmask
2009-06-20 21:50:47 +09:00
freevxfs
push BKL down into ->put_super
2009-06-11 21:36:07 -04:00
fscache
FS-Cache: Fixup renamed filenames in comments in internal.h
2009-05-27 10:20:13 -07:00
fuse
fuse: invalidation reverse calls
2009-06-30 20:12:24 +02:00
gfs2
block: rename CONFIG_LBD to CONFIG_LBDAF
2009-06-19 08:08:50 +02:00
hfs
hfs: add ->sync_fs
2009-06-11 21:36:15 -04:00
hfsplus
hfsplus: add ->sync_fs
2009-06-11 21:36:16 -04:00
hostfs
hostfs: set maximum filesize in superblock for proper LFS support
2009-06-30 18:56:03 -07:00
hpfs
Push BKL down into ->remount_fs()
2009-06-11 21:36:11 -04:00
hppfs
hppfs: hppfs_read_file() may return -ERROR
2009-04-02 19:04:53 -07:00
hugetlbfs
Merge branch 'master' into next
2009-05-22 18:40:59 +10:00
isofs
isofs: cleanup mount option processing
2009-06-18 13:03:45 -07:00
jbd
jbd: clean up journal_try_to_free_buffers()
2009-06-18 13:03:45 -07:00
jbd2
jbd2: clean up jbd2_journal_try_to_free_buffers()
2009-06-17 20:08:51 -04:00
jffs2
Remove multiple KERN_ prefixes from printk formats
2009-07-08 10:30:03 -07:00
jfs
another race fix in jfs_check_acl()
2009-06-24 17:02:42 -04:00
lockd
Merge branch 'for-2.6.31' of git://fieldses.org/git/linux-nfsd
2009-06-22 12:55:50 -07:00
minix
Making fs/minix/minix.h double including safe
2009-06-22 11:34:42 -07:00
ncpfs
NLS: update handling of Unicode
2009-06-15 21:44:43 -07:00
nfs
headers: mnt_namespace.h redux
2009-07-08 09:31:56 -07:00
nfs_common
…
nfsd
NFSD: Don't hold unrefcounted creds over call to nfsd_setuser()
2009-07-03 10:21:10 -04:00
nilfs2
switch nilfs2 to inode->i_acl
2009-06-24 08:17:05 -04:00
nls
NLS: update handling of Unicode
2009-06-15 21:44:43 -07:00
notify
fs/notify/inotify: decrement user inotify count on close
2009-07-02 08:23:00 -04:00
ntfs
ntfs: use is_power_of_2() function for clarity.
2009-06-16 19:47:48 -07:00
ocfs2
ocfs2: handle file attributes issue for reflink.
2009-09-22 20:09:39 -07:00
omfs
switch omfs to simple_fsync()
2009-06-11 21:36:13 -04:00
openpromfs
…
partitions
Merge branch 'for-2.6.31' of git://git.kernel.org/pub/scm/linux/kernel/git/bart/ide-2.6
2009-06-12 09:29:42 -07:00
proc
proc: vmcore - use kzalloc in get_new_element()
2009-06-18 13:03:41 -07:00
qnx4
fs/qnx4: sanitize includes
2009-06-11 21:36:12 -04:00
quota
quota: Fix possible deadlock during parallel quotaon and quotaoff
2009-07-07 18:15:21 +02:00
ramfs
ramfs: ignore unknown mount options
2009-06-14 17:58:25 -07:00
reiserfs
headers: mnt_namespace.h redux
2009-07-08 09:31:56 -07:00
romfs
ROMFS: romfs_dev_read() error ignored
2009-05-09 10:49:41 -04:00
smbfs
push BKL down into ->put_super
2009-06-11 21:36:07 -04:00
squashfs
push BKL down into ->put_super
2009-06-11 21:36:07 -04:00
sysfs
Free the memory allocated by memdup_user() in fs/sysfs/bin.c
2009-07-08 09:34:07 -07:00
sysv
get rid of BKL in fs/sysv
2009-06-17 00:36:37 -04:00
ubifs
helpers for acl caching + switch to those
2009-06-24 08:17:07 -04:00
udf
udf: remove redundant tests on unsigned
2009-06-24 13:48:28 +02:00
ufs
ufs: sector_t cannot be negative
2009-06-18 13:03:46 -07:00
xfs
switch xfs to generic acl caching helpers
2009-06-24 08:17:07 -04:00
aio.c
eventfd: revised interface and cleanups
2009-06-30 18:55:58 -07:00
anon_inodes.c
fs: Provide empty .set_page_dirty() aop for anon inodes
2009-06-18 14:46:10 +02:00
attr.c
…
bad_inode.c
…
binfmt_aout.c
…
binfmt_elf_fdpic.c
elf_core_dump: use rcu_read_lock() to access ->real_parent
2009-06-18 13:03:52 -07:00
binfmt_elf.c
elf: fix one check-after-use
2009-07-01 11:14:28 -07:00
binfmt_em86.c
…
binfmt_flat.c
flat: fix data sections alignment
2009-05-29 08:40:02 -07:00
binfmt_misc.c
…
binfmt_script.c
…
binfmt_som.c
Don't crap into descriptor table in binfmt_som
2009-03-31 23:00:28 -04:00
bio-integrity.c
block: Create bip slabs with embedded integrity vectors
2009-07-01 10:56:25 +02:00
bio.c
block: Create bip slabs with embedded integrity vectors
2009-07-01 10:56:25 +02:00
block_dev.c
vfs: Rename fsync_super() to sync_filesystem() (version 4)
2009-06-11 21:36:04 -04:00
buffer.c
Merge branch 'for-2.6.31' of git://git.kernel.dk/linux-2.6-block
2009-06-11 11:10:35 -07:00
char_dev.c
fs: Remove i_cindex from struct inode
2009-06-11 21:36:09 -04:00
compat_binfmt_elf.c
…
compat_ioctl.c
fs: Add new pre-allocation ioctls to vfs for compatibility with legacy xfs ioctls
2009-06-24 08:15:27 -04:00
compat.c
cred_guard_mutex: do not return -EINTR to user-space
2009-07-06 13:57:04 -07:00
dcache.c
dcache: extrace and use d_unlinked()
2009-06-11 21:36:06 -04:00
dcookies.c
…
direct-io.c
block: Do away with the notion of hardsect_size
2009-05-22 23:22:54 +02:00
drop_caches.c
mm: remove __invalidate_mapping_pages variant
2009-06-16 19:47:43 -07:00
eventfd.c
eventfd: revised interface and cleanups
2009-06-30 18:55:58 -07:00
eventpoll.c
epoll: fix nested calls support
2009-06-18 13:03:41 -07:00
exec.c
cred_guard_mutex: do not return -EINTR to user-space
2009-07-06 13:57:04 -07:00
fcntl.c
send_sigio_to_task: sanitize the usage of fown->signum
2009-06-16 15:36:17 -07:00
fifo.c
…
file_table.c
fs: move mark_files_ro into file_table.c
2009-06-11 21:36:02 -04:00
file.c
…
filesystems.c
fs: Mark get_filesystem_list() as __init function.
2009-04-20 23:02:52 -04:00
fs_struct.c
Get rid of indirect include of fs_struct.h
2009-03-31 23:00:27 -04:00
fs-writeback.c
cleanup __writeback_single_inode
2009-06-24 08:15:26 -04:00
generic_acl.c
New helper - current_umask()
2009-03-31 23:00:26 -04:00
inode.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6
2009-06-24 10:03:12 -07:00
internal.h
Trim a bit of crap from fs.h
2009-06-11 21:36:07 -04:00
ioctl.c
fs: Add new pre-allocation ioctls to vfs for compatibility with legacy xfs ioctls
2009-06-24 08:15:27 -04:00
ioprio.c
…
Kconfig
Merge branch 'for-2.6.31' of git://fieldses.org/git/linux-nfsd
2009-06-22 12:55:50 -07:00
Kconfig.binfmt
…
libfs.c
New helper - simple_fsync()
2009-06-11 21:36:11 -04:00
locks.c
lockd: call locks_release_private to cleanup per-filesystem state
2009-04-24 16:36:03 -04:00
Makefile
nilfs2: update makefile and Kconfig
2009-04-07 08:31:16 -07:00
mbcache.c
…
mpage.c
ext4: Properly initialize the buffer_head state
2009-05-13 15:13:42 -04:00
namei.c
integrity: add ima_counts_put (updated)
2009-06-29 08:59:10 +10:00
namespace.c
headers: mnt_namespace.h redux
2009-07-08 09:31:56 -07:00
nfsctl.c
…
no-block.c
…
open.c
fs: Add new pre-allocation ioctls to vfs for compatibility with legacy xfs ioctls
2009-06-24 08:15:27 -04:00
pipe.c
splice: implement default splice_read method
2009-05-11 14:13:10 +02:00
pnode.c
…
pnode.h
…
posix_acl.c
…
read_write.c
splice: implement default splice_read method
2009-05-11 14:13:10 +02:00
read_write.h
…
readdir.c
…
select.c
poll: avoid extra wakeups in select/poll
2009-06-16 19:47:48 -07:00
seq_file.c
seq_file: add function to write binary data
2009-06-18 13:03:57 -07:00
signalfd.c
…
splice.c
splice: fix kmaps in default_file_splice_write()
2009-05-19 11:37:46 +02:00
stack.c
…
stat.c
kill vfs_stat_fd / vfs_lstat_fd
2009-04-20 23:02:52 -04:00
super.c
... and the same for vfsmount id/mount group id
2009-06-24 08:15:26 -04:00
sync.c
sys_sync(): fix 16% performance regression in ffsb create_4k test
2009-07-06 13:57:03 -07:00
timerfd.c
…
utimes.c
…
xattr_acl.c
…
xattr.c
fs: introduce mnt_clone_write
2009-06-11 21:36:02 -04:00