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Tao Ma 0acdb8876f ext4: don't call update_backups() multiple times for the same bg 
When performing an online resize, we add a bunch of groups at one time
in ext4_flex_group_add, so in most cases a lot of group descriptors
will be in the same group block. But in the end of this function,
update_backups will be called for every group descriptor and the same
block will be copied and journalled again and again.  It is really a
waste.

Fix things so we only update a particular bg descriptor block once and
skip subsequent updates of the same block.

Signed-off-by: Tao Ma <boyu.mt@taobao.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
2012-09-26 00:08:57 -04:00
..
9p
9p: Push file_update_time() into v9fs_vm_page_mkwrite()
2012-07-31 01:02:46 +04:00
adfs
stop passing nameidata to ->lookup()
2012-07-14 16:34:32 +04:00
affs
affs: use memweight()
2012-07-30 17:25:16 -07:00
afs
VFS: Pass mount flags to sget()
2012-07-14 16:38:34 +04:00
autofs4
switch dentry_open() to struct path, make it grab references itself
2012-07-23 00:01:29 +04:00
befs
stop passing nameidata to ->lookup()
2012-07-14 16:34:32 +04:00
bfs
don't pass nameidata to ->create()
2012-07-14 16:34:47 +04:00
btrfs
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2012-08-01 10:26:23 -07:00
cachefiles
fs: cachefiles: add support for large files in filesystem caching
2012-07-30 17:25:21 -07:00
ceph
ceph: simplify+fix atomic_open
2012-08-02 09:11:19 -07:00
cifs
CIFS: Add SMB2 support for rmdir
2012-07-27 15:17:50 -05:00
coda
don't pass nameidata to ->create()
2012-07-14 16:34:47 +04:00
configfs
stop passing nameidata to ->lookup()
2012-07-14 16:34:32 +04:00
cramfs
stop passing nameidata to ->lookup()
2012-07-14 16:34:32 +04:00
debugfs
Driver core merge for 3.6-rc1
2012-07-26 11:25:33 -07:00
devpts
VFS: Pass mount flags to sget()
2012-07-14 16:38:34 +04:00
dlm
dlm: fix missing dir remove
2012-07-16 14:24:43 -05:00
ecryptfs
- Fixes a bug when the lower filesystem mount options include 'acl', but the
2012-08-02 10:56:34 -07:00
efs
stop passing nameidata to ->lookup()
2012-07-14 16:34:32 +04:00
exofs
Merge branch 'for-linus-2' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2012-07-23 12:27:27 -07:00
exportfs
switch dentry_open() to struct path, make it grab references itself
2012-07-23 00:01:29 +04:00
ext2
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2012-08-01 10:26:23 -07:00
ext3
ext3: use memweight()
2012-07-30 17:25:16 -07:00
ext4
ext4: don't call update_backups() multiple times for the same bg
2012-09-26 00:08:57 -04:00
fat
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2012-08-01 10:26:23 -07:00
freevxfs
stop passing nameidata to ->lookup()
2012-07-14 16:34:32 +04:00
fscache
…
fuse
fuse: Convert to new freezing mechanism
2012-07-31 09:45:50 +04:00
gfs2
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2012-08-01 10:26:23 -07:00
hfs
hfs: get rid of hfs_sync_super
2012-07-22 23:58:09 +04:00
hfsplus
hfsplus: use -ENOMEM when kzalloc() fails
2012-07-30 17:25:19 -07:00
hostfs
don't pass nameidata to ->create()
2012-07-14 16:34:47 +04:00
hpfs
don't pass nameidata to ->create()
2012-07-14 16:34:47 +04:00
hppfs
switch dentry_open() to struct path, make it grab references itself
2012-07-23 00:01:29 +04:00
hugetlbfs
hugetlb: use mmu_gather instead of a temporary linked list for accumulating pages
2012-07-31 18:42:40 -07:00
isofs
Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs
2012-07-24 17:40:44 -07:00
jbd
jbd: Check return value of blkdev_issue_flush()
2012-07-09 23:38:36 +02:00
jbd2
jbd2: don't write superblock when if its empty
2012-08-18 22:29:40 -04:00
jffs2
don't expose I_NEW inodes via dentry->d_inode
2012-07-23 00:00:58 +04:00
jfs
don't expose I_NEW inodes via dentry->d_inode
2012-07-23 00:00:58 +04:00
lockd
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2012-08-01 10:26:23 -07:00
logfs
VFS: Pass mount flags to sget()
2012-07-14 16:38:34 +04:00
minix
minixfs: fix block limit check
2012-07-30 17:25:19 -07:00
ncpfs
don't pass nameidata to ->create()
2012-07-14 16:34:47 +04:00
nfs
Merge branch 'akpm' (Andrew's patch-bomb)
2012-07-31 19:25:39 -07:00
nfs_common
…
nfsd
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2012-08-01 10:26:23 -07:00
nilfs2
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2012-08-01 10:26:23 -07:00
nls
…
notify
switch dentry_open() to struct path, make it grab references itself
2012-07-23 00:01:29 +04:00
ntfs
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2012-08-01 10:26:23 -07:00
ocfs2
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2012-08-01 10:26:23 -07:00
omfs
don't pass nameidata to ->create()
2012-07-14 16:34:47 +04:00
openpromfs
stop passing nameidata to ->lookup()
2012-07-14 16:34:32 +04:00
proc
proc: do not allow negative offsets on /proc/<pid>/environ
2012-07-30 17:25:20 -07:00
pstore
pstore/ram: Make tracing log versioned
2012-07-17 16:48:09 -07:00
qnx4
qnx4fs: use memweight()
2012-07-30 17:25:16 -07:00
qnx6
stop passing nameidata to ->lookup()
2012-07-14 16:34:32 +04:00
quota
Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs
2012-07-24 17:40:44 -07:00
ramfs
don't pass nameidata to ->create()
2012-07-14 16:34:47 +04:00
reiserfs
don't expose I_NEW inodes via dentry->d_inode
2012-07-23 00:00:58 +04:00
romfs
stop passing nameidata to ->lookup()
2012-07-14 16:34:32 +04:00
squashfs
stop passing nameidata to ->lookup()
2012-07-14 16:34:32 +04:00
sysfs
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2012-08-01 10:26:23 -07:00
sysv
fs/sysv: stop using write_super and s_dirt
2012-07-22 23:58:12 +04:00
ubifs
* Added another debugfs knob for forcing UBIFS R/O mode without flushing caches
2012-07-23 15:50:52 -07:00
udf
Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs
2012-07-24 17:40:44 -07:00
ufs
fs/ufs: get rid of write_super
2012-07-22 23:58:16 +04:00
xfs
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2012-08-01 10:26:23 -07:00
aio.c
aio: now fput() is OK from interrupt context; get rid of manual delayed __fput()
2012-07-22 23:57:59 +04:00
anon_inodes.c
…
attr.c
notify_change(): check that i_mutex is held
2012-07-14 16:35:42 +04:00
bad_inode.c
don't pass nameidata to ->create()
2012-07-14 16:34:47 +04:00
binfmt_aout.c
…
binfmt_elf_fdpic.c
…
binfmt_elf.c
…
binfmt_em86.c
…
binfmt_flat.c
…
binfmt_misc.c
…
binfmt_script.c
…
binfmt_som.c
…
bio-integrity.c
…
bio.c
…
block_dev.c
vfs: Create function for iterating over block devices
2012-07-22 23:58:45 +04:00
buffer.c
fs: Protect write paths by sb_start_write - sb_end_write
2012-07-31 09:45:47 +04:00
char_dev.c
…
compat_binfmt_elf.c
…
compat_ioctl.c
…
compat.c
…
dcache.c
__d_unalias() should refuse to move mountpoints
2012-07-14 16:35:15 +04:00
dcookies.c
…
direct-io.c
fs/direct-io.c: adjust suspicious bit operation
2012-07-14 16:32:46 +04:00
drop_caches.c
…
eventfd.c
…
eventpoll.c
PM: Rename CAP_EPOLLWAKEUP to CAP_BLOCK_SUSPEND
2012-07-17 21:37:27 +02:00
exec.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2012-08-01 10:26:23 -07:00
fcntl.c
c/r: fcntl: add F_GETOWNER_UIDS option
2012-07-30 17:25:21 -07:00
fhandle.c
…
fifo.c
fifo: Do not restart open() if it already found a partner
2012-07-16 08:33:14 -07:00
file_table.c
fs: Add freezing handling to mnt_want_write() / mnt_drop_write()
2012-07-31 09:40:38 +04:00
file.c
…
filesystems.c
…
fs_struct.c
get rid of ->mnt_longterm
2012-07-14 16:32:47 +04:00
fs-writeback.c
ext4: fix potential deadlock in ext4_nonda_switch()
2012-09-19 22:42:36 -04:00
generic_acl.c
…
inode.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2012-08-01 10:26:23 -07:00
internal.h
fs: Add freezing handling to mnt_want_write() / mnt_drop_write()
2012-07-31 09:40:38 +04:00
ioctl.c
…
ioprio.c
…
Kconfig
…
Kconfig.binfmt
…
libfs.c
VFS: Pass mount flags to sget()
2012-07-14 16:38:34 +04:00
locks.c
locks: remove unused lm_release_private
2012-08-01 09:01:46 -07:00
Makefile
…
mbcache.c
…
mount.h
get rid of magic in proc_namespace.c
2012-07-14 16:32:48 +04:00
mpage.c
…
namei.c
fs: Push mnt_want_write() outside of i_mutex
2012-07-31 01:02:49 +04:00
namespace.c
fs: Add freezing handling to mnt_want_write() / mnt_drop_write()
2012-07-31 09:40:38 +04:00
no-block.c
…
open.c
fs: Protect write paths by sb_start_write - sb_end_write
2012-07-31 09:45:47 +04:00
pipe.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2012-08-01 10:26:23 -07:00
pnode.c
VFS: Make clone_mnt()/copy_tree()/collect_mounts() return errors
2012-07-14 16:37:27 +04:00
pnode.h
…
posix_acl.c
…
proc_namespace.c
get rid of magic in proc_namespace.c
2012-07-14 16:32:48 +04:00
read_write.c
vfs: allow custom EOF in generic_file_llseek code
2012-07-23 00:00:15 +04:00
read_write.h
…
readdir.c
…
select.c
posix_types.h: Cleanup stale __NFDBITS and related definitions
2012-07-26 13:36:43 -07:00
seq_file.c
…
signalfd.c
…
splice.c
fs: Protect write paths by sb_start_write - sb_end_write
2012-07-31 09:45:47 +04:00
stack.c
…
stat.c
…
statfs.c
…
super.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2012-08-01 10:26:23 -07:00
sync.c
vfs: Avoid unnecessary WB_SYNC_NONE writeback during sys_sync and reorder sync passes
2012-07-22 23:59:01 +04:00
timerfd.c
…
utimes.c
…
xattr_acl.c
…
xattr.c
fs/xattr.c:getxattr(): improve handling of allocation failures
2012-07-30 17:25:11 -07:00