md: Convert md_trim_bio() to use bio_advance()

Signed-off-by: Kent Overstreet <koverstreet@google.com>
CC: Jens Axboe <axboe@kernel.dk>
CC: NeilBrown <neilb@suse.de>
Acked-by: NeilBrown <neilb@suse.de>
This commit is contained in:
Kent Overstreet 2012-09-26 21:41:20 -07:00
commit fb9e353476