f2fs: update comments for explicit memory barrier

Add more detailed comments for explicit memory barrier used by
f2fs, in order to enhance code readability.

Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Chao Yu 2021-02-20 17:38:43 +08:00 • committed by Jaegeuk Kim
commit 3b42c741b1
2 changed files with 10 additions and 2 deletions