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| author | Chao Yu <yuchao0@huawei.com> | 2018-01-11 14:42:30 +0800 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2018-01-22 14:56:45 -0800 |
| commit | c4020b2da4c9e84d63e30ce5a85dc287507f0e60 (patch) | |
| tree | b32e846a75532c80a9ed1fa7b921f60669131cfb /tools/perf/scripts/python/check-perf-trace.py | |
| parent | 1ad71a27124caf0b68ddd3c92be01aa2b2a72b2a (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/check-perf-trace.py')
0 files changed, 0 insertions, 0 deletions