kernel-fxtec-pro1x/fs/ext3
Eric Sandeen a4ae309486 ext3: speed up file creates by optimizing rec_len functions
The addition of 64k block capability in the rec_len_from_disk
and rec_len_to_disk functions added a bit of math overhead which
slows down file create workloads needlessly when the architecture
cannot even support 64k blocks, thanks to page size limits.

Similar changes already exist in the ext4 codebase.

The directory entry checking can also be optimized a bit
by sprinkling in some unlikely() conditions to move the
error handling out of line.

bonnie++ sequential file creates on a 512MB ramdisk speeds up
from about 77,000/s to about 82,000/s, about a 6% improvement.

Signed-off-by: Eric Sandeen <sandeen@redhat.com>
Signed-off-by: Jan Kara <jack@suse.cz>
2011-01-10 19:04:07 +01:00
..
acl.c ext3: update ctime when changing the file's permission by setfacl 2010-06-25 01:20:37 +02:00
acl.h ext[234]: move over to 'check_acl' permission model 2009-09-08 11:09:04 -07:00
balloc.c ext3: Add batched discard support for ext3 2011-01-10 19:03:58 +01:00
bitmap.c
dir.c ext3: speed up file creates by optimizing rec_len functions 2011-01-10 19:04:07 +01:00
ext3_jbd.c
file.c dquot: cleanup dquot initialize routine 2010-03-05 00:20:30 +01:00
fsync.c block: remove BLKDEV_IFL_WAIT 2010-09-16 20:52:58 +02:00
hash.c ext3: Add support for non-native signed/unsigned htree hash algorithms 2008-10-28 13:21:55 -04:00
ialloc.c ext3: Fix lost extented attributes for inode with ino == 11 2010-10-05 12:20:23 +02:00
inode.c ext3: Add more journal error check 2011-01-10 19:04:06 +01:00
ioctl.c ext3: Add FITRIM handling 2011-01-10 19:04:05 +01:00
Kconfig ext3: default to ordered mode 2010-07-23 12:50:55 +02:00
Makefile
namei.c ext3: Add more journal error check 2011-01-10 19:04:06 +01:00
namei.h
resize.c ext3: Add journal error check in resize.c 2011-01-10 19:04:06 +01:00
super.c ext3: Return error code from generic_check_addressable 2011-01-06 11:52:15 +01:00
symlink.c ext3: symlink must be handled via filesystem specific operation 2010-04-12 21:11:39 +02:00
xattr.c mbcache: Remove unused features 2010-08-09 16:48:45 -04:00
xattr.h ext3: constify xattr handlers 2010-05-21 18:31:19 -04:00
xattr_security.c ext3: constify xattr handlers 2010-05-21 18:31:19 -04:00
xattr_trusted.c ext3: constify xattr handlers 2010-05-21 18:31:19 -04:00
xattr_user.c ext3: constify xattr handlers 2010-05-21 18:31:19 -04:00