linux/fs/ext4
Jan Kara 97a851ed71 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.

Bugs in ENOMEM handling found by Linux File System Verification project
(linuxtesting.org) and fixed by Alexey Khoroshilov
<khoroshilov@ispras.ru>.

CC: Alexey Khoroshilov <khoroshilov@ispras.ru>
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
2013-06-04 11:58:58 -04:00
..
Kconfig ext4: fix Kconfig documentation for CONFIG_EXT4_DEBUG 2013-04-21 20:32:03 -04:00
Makefile ext4: Remove CONFIG_EXT4_FS_XATTR 2012-12-10 16:30:43 -05:00
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 fs: take the ACL checks to common code 2011-07-25 14:30:23 -04:00
balloc.c ext4: mark all metadata I/O with REQ_META 2013-04-20 15:46:17 -04:00
bitmap.c ext4: Checksum the block bitmap properly with bigalloc enabled 2012-10-22 00:34:32 -04:00
block_validity.c ext2/3/4: delete unneeded includes of module.h 2012-01-09 13:52:10 +01:00
dir.c ext4: fix readdir error in the case of inline_data+dir_index 2013-04-19 17:53:09 -04:00
ext4.h ext4: use io_end for multiple bios 2013-06-04 11:58:58 -04:00
ext4_extents.h ext4: mext_insert_extents should update extent block checksum 2013-04-19 14:04:12 -04:00
ext4_jbd2.c ext4: mark metadata blocks using bh flags 2013-04-21 16:45:54 -04:00
ext4_jbd2.h ext4: improve credit estimate for EXT4_SINGLEDATA_TRANS_BLOCKS 2013-04-09 12:39:26 -04:00
extents.c ext4: fix data offset overflow in ext4_xattr_fiemap() on 32-bit archs 2013-05-31 19:38:56 -04:00
extents_status.c ext4: fix fio regression 2013-05-03 02:15:52 -04:00
extents_status.h ext4: fix fio regression 2013-05-03 02:15:52 -04:00
file.c ext4: fix overflows in SEEK_HOLE, SEEK_DATA implementations 2013-05-31 19:37:56 -04:00
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: mark all metadata I/O with REQ_META 2013-04-20 15:46:17 -04:00
indirect.c aio: don't include aio.h in sched.h 2013-05-07 20:16:25 -07:00
inline.c ext4: fix data offset overflow on 32-bit archs in ext4_inline_data_fiemap() 2013-05-31 19:33:42 -04:00
inode.c ext4: use io_end for multiple bios 2013-06-04 11:58:58 -04:00
ioctl.c ext4: fix usless declarations 2013-04-09 22:48:36 -04:00
mballoc.c Fixed regressions (two stability regressions and a performance 2013-05-14 09:30:54 -07:00
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: mark all metadata I/O with REQ_META 2013-04-20 15:46:17 -04:00
move_extent.c ext4: mext_insert_extents should update extent block checksum 2013-04-19 14:04:12 -04:00
namei.c ext4: fix readdir error in the case of inline_data+dir_index 2013-04-19 17:53:09 -04:00
page-io.c ext4: use io_end for multiple bios 2013-06-04 11:58:58 -04:00
resize.c ext4: add check for inodes_count overflow in new resize ioctl 2013-04-21 22:56:32 -04:00
super.c ext4: suppress ext4 orphan messages on mount 2013-05-28 07:51:21 -04:00
symlink.c ext4: Remove CONFIG_EXT4_FS_XATTR 2012-12-10 16:30:43 -05:00
truncate.h ext4: move common truncate functions to header file 2011-06-27 19:16:04 -04:00
xattr.c ext4: fix miscellaneous big endian warnings 2013-04-09 23:59:55 -04:00
xattr.h ext4: reserve xattr index for Rich ACL support 2013-04-18 14:53:15 -04:00
xattr_security.c Merge branch 'for_linus' into for_linus_merged 2012-01-10 11:54:07 -05:00
xattr_trusted.c ext2/3/4: delete unneeded includes of module.h 2012-01-09 13:52:10 +01:00
xattr_user.c ext2/3/4: delete unneeded includes of module.h 2012-01-09 13:52:10 +01:00