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| author | Miao Xie <miaox@cn.fujitsu.com> | 2013-07-25 19:22:33 +0800 |
|---|---|---|
| committer | Chris Mason <chris.mason@fusionio.com> | 2013-09-01 08:04:32 -0400 |
| commit | f2a09da9d0cba17ad4041e7e54f1ca840b12d0be (patch) | |
| tree | 6b86b60c711d8d874cb321bad816f956edb90de2 /fs/btrfs/volumes.h | |
| parent | 09a7f7a28939fe281b6f2fef0fb1a733007d91fe (diff) | |
| download | linux-f2a09da9d0cba17ad4041e7e54f1ca840b12d0be.tar.bz2 | |
Btrfs: add branch prediction hints in the read page end IO function
This patch add some branch prediction hints into the end IO function
of the read page, it reduced the percentage of the branch misses from
5.5% to 4.9%.
Signed-off-by: Miao Xie <miaox@cn.fujitsu.com>
Signed-off-by: Josef Bacik <jbacik@fusionio.com>
Signed-off-by: Chris Mason <chris.mason@fusionio.com>
Diffstat (limited to 'fs/btrfs/volumes.h')
0 files changed, 0 insertions, 0 deletions