Commit 8615cb65 authored by Mikulas Patocka's avatar Mikulas Patocka Committed by Mike Snitzer
Browse files

dm: remove useless loop in __split_and_process_bio 



Remove useless "while" loop. If the condition ci.sector_count && !error is
true, we go to a branch that ends with "break". If this condition is
false, the "while" loop will not be executed again. So, the loop can't be
executed more than once.

Signed-off-by: default avatarMikulas Patocka <mpatocka@redhat.com>
Signed-off-by: default avatarMike Snitzer <snitzer@redhat.com>
parent c40819f2

drivers/md/dm.c

+29 −32
Original line number Diff line number Diff line
@@ -1641,7 +1641,6 @@ static blk_qc_t __split_and_process_bio(struct mapped_device *md, 
	} else {

		ci.bio = bio;

		ci.sector_count = bio_sectors(bio);

		while (ci.sector_count && !error) {

		error = __split_and_process_non_flush(&ci);

		if (ci.sector_count && !error) {

			/*
@@ -1671,8 +1670,6 @@ static blk_qc_t __split_and_process_bio(struct mapped_device *md, 
			bio_chain(b, bio);

			trace_block_split(b, bio->bi_iter.bi_sector);

			ret = submit_bio_noacct(bio);

				break;

			}

		}

	}