diff options
| author | Changman Lee <cm224.lee@samsung.com> | 2013-11-11 04:24:37 +0400 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk.kim@samsung.com> | 2013-11-11 04:36:32 +0400 |
| commit | 29e59c14ae5c21d25db1580d9651b5855d656a30 (patch) | |
| tree | 28464aff2be40ae89b1b37c221529a8a23cbff09 /Documentation/filesystems | |
| parent | 1d15bd2034c9b0f9ac88fa0e4cd33e0d792b0bb0 (diff) | |
| download | linux-29e59c14ae5c21d25db1580d9651b5855d656a30.tar.xz | |
f2fs: issue more large discard command
o Changes from v1
Use find_next(_zero)_bit suggested by jg.kim
When f2fs issues discard command, if segment is contiguous,
let's issue more large segment to gather adjacent segments.
** blktrace **
179,1 0 5859 42.619023770 971 C D 131072 + 2097152 [0]
179,1 0 33665 108.840475468 971 C D 2228224 + 2494464 [0]
179,1 0 33671 109.131616427 971 C D 14909440 + 344064 [0]
179,1 0 33677 109.137100677 971 C D 15261696 + 4096 [0]
Signed-off-by: Changman Lee <cm224.lee@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
Diffstat (limited to 'Documentation/filesystems')
0 files changed, 0 insertions, 0 deletions