tree 24ea4565ddf464250fa39a0e4735d01b14ebf6d6
parent 5c1f9927ec1a4753e845193bde99ac3b03b08818
author Chao Yu <chao2.yu@samsung.com> 1398679183 +0800
committer Jaegeuk Kim <jaegeuk.kim@samsung.com> 1399425717 +0900

f2fs: readahead multi pages of directory for performance

We have no so such readahead mechanism in ->iterate() path as the one in
->read() path, it cause low performance when we read large directory.
This patch add readahead in f2fs_readdir() for better performance.

Signed-off-by: Chao Yu <chao2.yu@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>