md: add md_submit_discard_bio() for submitting discard bio
authorXiao Ni <xni@redhat.com>
Tue, 25 Aug 2020 05:42:59 +0000 (13:42 +0800)
committerSong Liu <songliubraving@fb.com>
Thu, 24 Sep 2020 23:44:45 +0000 (16:44 -0700)
commit2628089b74d5a64bd0bcb5d247a18f78d7b6f4d0
tree47ba9f41e75f0dfaa6fda2a52e37d491b54b00a8
parente287308b8388590ad70e8e88d1cc70a4643bacd7
md: add md_submit_discard_bio() for submitting discard bio

Move these logic from raid0.c to md.c, so that we can also use it in
raid10.c.

Reviewed-by: Coly Li <colyli@suse.de>
Reviewed-by: Guoqing Jiang <guoqing.jiang@cloud.ionos.com>
Signed-off-by: Xiao Ni <xni@redhat.com>
Signed-off-by: Song Liu <songliubraving@fb.com>
drivers/md/md.c
drivers/md/md.h
drivers/md/raid0.c