md: fix spelling typo and add necessary space

This patch fix a spelling typo and add necessary space for code.
In addition, the patch get rid of the unnecessary 'if'.

Signed-off-by: Yufen Yu <yuyufen@huawei.com>
Signed-off-by: Song Liu <songliubraving@fb.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Yufen Yu 2019-06-14 15:41:07 -07:00 • committed by Jens Axboe
commit e5b521ee9b