Searched hist:f6df8f234e2502b7d8c6de42e066e01f908318cc (Results 1 – 1 of 1) sorted by relevance
| /linux/fs/f2fs/ |
| H A D | dir.c | diff f6df8f234e2502b7d8c6de42e066e01f908318cc Wed Nov 22 11:23:38 CET 2017 Sheng Yong <shengyong1@huawei.com> f2fs: introduce sysfs readdir_ra to readahead inode block in readdir
This patch introduces a sysfs interface readdir_ra to enable/disable
readaheading inode block in f2fs_readdir. When readdir_ra is enabled,
it improves the performance of "readdir + stat".
For 300,000 files:
time find /data/test > /dev/null
disable readdir_ra: 1m25.69s real 0m01.94s user 0m50.80s system
enable readdir_ra: 0m18.55s real 0m00.44s user 0m15.39s system
Signed-off-by: Sheng Yong <shengyong1@huawei.com>
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
|