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4eec708d26
linux/fs/ext4
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Jan Kara 4eec708d26 ext4: use io_end for multiple bios 
Change writeback path to create just one io_end structure for the
extent to which we submit IO and share it among bios writing that
extent. This prevents needless splitting and joining of unwritten
extents when they cannot be submitted as a single bio.

Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Reviewed-by: Dmitry Monakhov <dmonakhov@openvz.org>
Reviewed-by: Zheng Liu <wenqing.lz@taobao.com>
2013-04-11 23:56:53 -04:00
..
acl.c ext4: fix the number of credits needed for acl ops with inline data 2013-02-09 15:23:03 -05:00
acl.h
balloc.c ext4: introduce reserved space 2013-04-09 22:11:22 -04:00
bitmap.c
block_validity.c
dir.c Various bug fixes for ext4. The most important is a fix for the new 2013-03-02 19:33:21 -08:00
ext4_extents.h ext4: remove single extent cache 2013-02-18 00:31:07 -05:00
ext4_jbd2.c ext4: add might_sleep() annotations 2013-04-03 22:00:52 -04:00
ext4_jbd2.h ext4: improve credit estimate for EXT4_SINGLEDATA_TRANS_BLOCKS 2013-04-09 12:39:26 -04:00
ext4.h ext4: use io_end for multiple bios 2013-04-11 23:56:53 -04:00
extents_status.c ext4: update extent status tree after an extent is zeroed out 2013-03-10 21:13:05 -04:00
extents_status.h ext4: update extent status tree after an extent is zeroed out 2013-03-10 21:13:05 -04:00
extents.c ext4: move ext4_ind_migrate() into migrate.c 2013-04-10 23:32:52 -04:00
file.c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2013-02-26 20:16:07 -08:00
fsync.c ext4/jbd2: don't wait (forever) for stale tid caused by wraparound 2013-04-03 22:02:52 -04:00
hash.c ext4: reduce one "if" comparison in ext4_dirhash() 2013-02-01 22:33:21 -05:00
ialloc.c ext4: fix usless declarations 2013-04-09 22:48:36 -04:00
indirect.c ext4: refactor truncate code 2013-04-03 12:47:17 -04:00
inline.c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2013-02-26 20:16:07 -08:00
inode.c ext4: use io_end for multiple bios 2013-04-11 23:56:53 -04:00
ioctl.c ext4: fix usless declarations 2013-04-09 22:48:36 -04:00
Kconfig ext4: fix configuration dependencies for ext4 ACLs and security labels 2013-01-06 23:38:44 -05:00
Makefile ext4: Remove CONFIG_EXT4_FS_XATTR 2012-12-10 16:30:43 -05:00
mballoc.c ext4: fix usless declarations 2013-04-09 22:48:36 -04:00
mballoc.h ext4: use module parameters instead of debugfs for mballoc_debug 2013-02-09 16:28:20 -05:00
migrate.c ext4: do not convert to indirect with bigalloc enabled 2013-04-11 10:54:46 -04:00
mmp.c ext4: fix big-endian bug in metadata checksum calculations 2013-04-09 23:56:48 -04:00
move_extent.c ext4: defragmentation code cleanup 2013-04-11 23:24:58 -04:00
namei.c ext4: fix miscellaneous big endian warnings 2013-04-09 23:59:55 -04:00
page-io.c ext4: use io_end for multiple bios 2013-04-11 23:56:53 -04:00
resize.c ext4: introduce ext4_get_group_number() 2013-04-03 23:32:34 -04:00
super.c ext4: Use kstrtoul() instead of parse_strtoul() 2013-04-11 23:37:19 -04:00
symlink.c ext4: Remove CONFIG_EXT4_FS_XATTR 2012-12-10 16:30:43 -05:00
truncate.h
xattr_security.c
xattr_trusted.c
xattr_user.c
xattr.c ext4: fix miscellaneous big endian warnings 2013-04-09 23:59:55 -04:00
xattr.h ext4: fix the number of credits needed for acl ops with inline data 2013-02-09 15:23:03 -05:00