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Diffstat (limited to 'block/blk-merge.c')
-rw-r--r--block/blk-merge.c18
1 files changed, 7 insertions, 11 deletions
diff --git a/block/blk-merge.c b/block/blk-merge.c
index 6b5ad275ed56..4478d53cc6ee 100644
--- a/block/blk-merge.c
+++ b/block/blk-merge.c
@@ -194,7 +194,7 @@ static struct bio *blk_bio_segment_split(struct request_queue *q,
goto split;
}
- if (bvprvp && blk_queue_cluster(q)) {
+ if (bvprvp) {
if (seg_size + bv.bv_len > queue_max_segment_size(q))
goto new_segment;
if (!biovec_phys_mergeable(q, bvprvp, &bv))
@@ -294,7 +294,7 @@ static unsigned int __blk_recalc_rq_segments(struct request_queue *q,
bool no_sg_merge)
{
struct bio_vec bv, bvprv = { NULL };
- int cluster, prev = 0;
+ int prev = 0;
unsigned int seg_size, nr_phys_segs;
struct bio *fbio, *bbio;
struct bvec_iter iter;
@@ -312,7 +312,6 @@ static unsigned int __blk_recalc_rq_segments(struct request_queue *q,
}
fbio = bio;
- cluster = blk_queue_cluster(q);
seg_size = 0;
nr_phys_segs = 0;
for_each_bio(bio) {
@@ -324,7 +323,7 @@ static unsigned int __blk_recalc_rq_segments(struct request_queue *q,
if (no_sg_merge)
goto new_segment;
- if (prev && cluster) {
+ if (prev) {
if (seg_size + bv.bv_len
> queue_max_segment_size(q))
goto new_segment;
@@ -395,9 +394,6 @@ static int blk_phys_contig_segment(struct request_queue *q, struct bio *bio,
{
struct bio_vec end_bv = { NULL }, nxt_bv;
- if (!blk_queue_cluster(q))
- return 0;
-
if (bio->bi_seg_back_size + nxt->bi_seg_front_size >
queue_max_segment_size(q))
return 0;
@@ -414,12 +410,12 @@ static int blk_phys_contig_segment(struct request_queue *q, struct bio *bio,
static inline void
__blk_segment_map_sg(struct request_queue *q, struct bio_vec *bvec,
struct scatterlist *sglist, struct bio_vec *bvprv,
- struct scatterlist **sg, int *nsegs, int *cluster)
+ struct scatterlist **sg, int *nsegs)
{
int nbytes = bvec->bv_len;
- if (*sg && *cluster) {
+ if (*sg) {
if ((*sg)->length + nbytes > queue_max_segment_size(q))
goto new_segment;
if (!biovec_phys_mergeable(q, bvprv, bvec))
@@ -465,12 +461,12 @@ static int __blk_bios_map_sg(struct request_queue *q, struct bio *bio,
{
struct bio_vec bvec, bvprv = { NULL };
struct bvec_iter iter;
- int cluster = blk_queue_cluster(q), nsegs = 0;
+ int nsegs = 0;
for_each_bio(bio)
bio_for_each_segment(bvec, bio, iter)
__blk_segment_map_sg(q, &bvec, sglist, &bvprv, sg,
- &nsegs, &cluster);
+ &nsegs);
return nsegs;
}