tree 4b3ef0d10b25e3d7b05c0eb3e5cff24782980ab6
parent d6f5d639b0a5cc8a643285e2f9556549a817d71e
author Jaegeuk Kim <jaegeuk@kernel.org> 1503461743 -0700
committer Jaegeuk Kim <jaegeuk@kernel.org> 1506027354 -0700

f2fs: wake up discard_thread iff there is a candidate

This patch fixes to avoid needless wake ups.

Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>