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authorMing Lei <ming.lei@redhat.com>2017-12-18 13:22:16 +0100
committerJens Axboe <axboe@kernel.dk>2018-01-06 17:18:00 +0100
commitcf8c0c6a3830583bd0e7c94933e155bf97cd162b (patch)
tree735b2032c497a0c5e539a64302c2c4396d22de42
parentblock: blk-merge: try to make front segments in full size (diff)
downloadlinux-cf8c0c6a3830583bd0e7c94933e155bf97cd162b.tar.xz
linux-cf8c0c6a3830583bd0e7c94933e155bf97cd162b.zip
block: blk-merge: remove unnecessary check
In this case, 'sectors' can't be zero at all, so remove the check and let the bio be split. Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Ming Lei <ming.lei@redhat.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
-rw-r--r--block/blk-merge.c4
1 files changed, 1 insertions, 3 deletions
diff --git a/block/blk-merge.c b/block/blk-merge.c
index ca2e7aec8e77..446f63e076aa 100644
--- a/block/blk-merge.c
+++ b/block/blk-merge.c
@@ -129,9 +129,7 @@ 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)) {