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22208dedbd
linux/fs/ext4
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Aneesh Kumar K.V 22208dedbd ext4: Fix file fragmentation during large file write. 
The range_cyclic writeback mode uses the address_space writeback_index
as the start index for writeback.  With delayed allocation we were
updating writeback_index wrongly resulting in highly fragmented file.
This patch reduces the number of extents reduced from 4000 to 27 for a
3GB file.

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
2008-10-16 10:10:36 -04:00
..
acl.c [PATCH] sanitize ->permission() prototype 2008-07-26 20:53:14 -04:00
acl.h ext4: Rename ext4dev to ext4 2008-10-10 20:02:48 -04:00
balloc.c ext4: Don't reuse released data blocks until transaction commits 2008-10-10 20:13:31 -04:00
bitmap.c ext4: Fix whitespace checkpatch warnings/errors 2008-09-08 22:25:24 -04:00
dir.c ext4: Avoid printk floods in the face of directory corruption 2008-10-09 11:15:52 -04:00
ext4_extents.h Hook ext4 to the vfs fiemap interface. 2008-10-07 00:46:36 -04:00
ext4_i.h ext4: Rename ext4dev to ext4 2008-10-10 20:02:48 -04:00
ext4_jbd2.c ext4: move headers out of include/linux 2008-04-29 18:13:32 -04:00
ext4_jbd2.h ext4: journal credits calulation cleanup and fix for non-extent writepage 2008-08-19 22:16:07 -04:00
ext4_sb.h ext4: Remove old legacy block allocator 2008-10-10 09:40:52 -04:00
ext4.h ext4: add an option to control error handling on file data 2008-10-10 22:12:43 -04:00
extents.c Hook ext4 to the vfs fiemap interface. 2008-10-07 00:46:36 -04:00
file.c ext4: Rename ext4dev to ext4 2008-10-10 20:02:48 -04:00
fsync.c ext4: Add debugging markers that can be used by systemtap 2008-10-05 20:50:06 -04:00
group.h ext4: Rename read_block_bitmap() to ext4_read_block_bitmap() 2008-07-11 19:27:31 -04:00
hash.c ext4: Fix whitespace checkpatch warnings/errors 2008-09-08 22:25:24 -04:00
ialloc.c ext4: fix initialization of UNINIT bitmap blocks 2008-10-10 08:09:18 -04:00
inode.c ext4: Fix file fragmentation during large file write. 2008-10-16 10:10:36 -04:00
ioctl.c ext4: add checks for errors from jbd2 2008-10-10 20:29:21 -04:00
Makefile ext4: Rename ext4dev to ext4 2008-10-10 20:02:48 -04:00
mballoc.c ext4: let the block device know when unused blocks can be discarded 2008-10-16 10:06:27 -04:00
mballoc.h ext4: let the block device know when unused blocks can be discarded 2008-10-16 10:06:27 -04:00
migrate.c ext4: elevate write count for migrate ioctl 2008-09-13 12:52:26 -04:00
namei.c ext4: Rename ext4dev to ext4 2008-10-10 20:02:48 -04:00
namei.h [PATCH] ext4: rename ext4 symbols to avoid duplication of ext3 symbols 2006-10-11 11:14:15 -07:00
resize.c ext4: Remove old legacy block allocator 2008-10-10 09:40:52 -04:00
super.c vfs: Use const for kernel parser table 2008-10-13 10:10:37 -07:00
symlink.c ext4: Rename ext4dev to ext4 2008-10-10 20:02:48 -04:00
xattr_security.c ext4: move headers out of include/linux 2008-04-29 18:13:32 -04:00
xattr_trusted.c ext4: remove double definitions of xattr macros 2008-07-11 19:27:31 -04:00
xattr_user.c ext4: remove double definitions of xattr macros 2008-07-11 19:27:31 -04:00
xattr.c ext4: Rename ext4dev to ext4 2008-10-10 20:02:48 -04:00
xattr.h ext4: Rename ext4dev to ext4 2008-10-10 20:02:48 -04:00