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| author | Chao Yu <yuchao0@huawei.com> | 2018-01-11 14:42:30 +0800 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2018-02-07 18:05:57 -0800 |
| commit | 999f806a7c9e29e74019e6c2566be04d54c956ea (patch) | |
| tree | e97eaacac3f4b5065818fc99fbdbb7339f2e00e7 /tools/perf/scripts/python | |
| parent | 84960fca96c4330d79d384fe21357f26537357de (diff) | |
f2fs: support F2FS_IOC_PRECACHE_EXTENTS
This patch introduces a new ioctl F2FS_IOC_PRECACHE_EXTENTS to precache
extent info like ext4, in order to gain better performance during
triggering AIO by eliminating synchronous waiting of mapping info.
Referred commit: 7869a4a6c5ca ("ext4: add support for extent pre-caching")
In addition, with newly added extent precache abilitiy, this patch add
to support FIEMAP_FLAG_CACHE in ->fiemap.
Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'tools/perf/scripts/python')
0 files changed, 0 insertions, 0 deletions