f2fs: enable realtime discard iff device supports discard
authorChao Yu <chao@kernel.org>
Mon, 30 Aug 2021 00:35:33 +0000 (08:35 +0800)
committerJaegeuk Kim <jaegeuk@kernel.org>
Mon, 30 Aug 2021 17:12:50 +0000 (10:12 -0700)
commitf7db8dd6981e0d94e5e35b45c1d288c94357de52
treec3a2b64b735b6cc66fe4732655d7e4d03d352d75
parentdddd3d65293a52c2c3850c19b1e5115712e534d8
f2fs: enable realtime discard iff device supports discard

Let's only enable realtime discard if and only if device supports
discard functionality.

Signed-off-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
fs/f2fs/super.c