[PATCH v2 25/51] block: blk-merge: remove unnecessary check

From	Ming Lei <ming.lei@redhat.com>
Newsgroups	linux.kernel
Subject	[PATCH v2 25/51] block: blk-merge: remove unnecessary check
Date	2017-06-26 14:20 +0200
Message-ID	<tWB9N-2fr-45@gated-at.bofh.it> (permalink)
References	<tWB9L-2fr-3@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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In this case, 'sectors' can't be zero at all, so remove the check
and let the bio be splitted.

Signed-off-by: Ming Lei <ming.lei@redhat.com>
---
 block/blk-merge.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/block/blk-merge.c b/block/blk-merge.c
index bf7a0fa0199f..c6fcc49b9aea 100644
--- a/block/blk-merge.c
+++ b/block/blk-merge.c
@@ -128,9 +128,7 @@ static struct bio *blk_bio_segment_split(struct request_queue *q,
 				nsegs++;
 				sectors = max_sectors;
 			}
-			if (sectors)
-				goto split;
-			/* Make this single bvec as the 1st segment */
+			goto split;
 		}
 
 		if (bvprvp && blk_queue_cluster(q)) {
-- 
2.9.4

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[PATCH v2 25/51] block: blk-merge: remove unnecessary check Ming Lei <ming.lei@redhat.com> - 2017-06-26 14:20 +0200

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