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-rw-r--r--block/elevator.c16
1 files changed, 9 insertions, 7 deletions
diff --git a/block/elevator.c b/block/elevator.c
index b2a55167f0c21..699d10f71a2ca 100644
--- a/block/elevator.c
+++ b/block/elevator.c
@@ -428,11 +428,11 @@ void elv_dispatch_add_tail(struct request_queue *q, struct request *rq)
}
EXPORT_SYMBOL(elv_dispatch_add_tail);
-int elv_merge(struct request_queue *q, struct request **req, struct bio *bio)
+enum elv_merge elv_merge(struct request_queue *q, struct request **req,
+ struct bio *bio)
{
struct elevator_queue *e = q->elevator;
struct request *__rq;
- int ret;
/*
* Levels of merges:
@@ -447,7 +447,8 @@ int elv_merge(struct request_queue *q, struct request **req, struct bio *bio)
* First try one-hit cache.
*/
if (q->last_merge && elv_bio_merge_ok(q->last_merge, bio)) {
- ret = blk_try_merge(q->last_merge, bio);
+ enum elv_merge ret = blk_try_merge(q->last_merge, bio);
+
if (ret != ELEVATOR_NO_MERGE) {
*req = q->last_merge;
return ret;
@@ -515,7 +516,8 @@ bool elv_attempt_insert_merge(struct request_queue *q, struct request *rq)
return ret;
}
-void elv_merged_request(struct request_queue *q, struct request *rq, int type)
+void elv_merged_request(struct request_queue *q, struct request *rq,
+ enum elv_merge type)
{
struct elevator_queue *e = q->elevator;
@@ -539,7 +541,7 @@ void elv_merge_requests(struct request_queue *q, struct request *rq,
if (e->uses_mq && e->type->ops.mq.requests_merged)
e->type->ops.mq.requests_merged(q, rq, next);
else if (e->type->ops.sq.elevator_merge_req_fn) {
- next_sorted = next->rq_flags & RQF_SORTED;
+ next_sorted = (__force bool)(next->rq_flags & RQF_SORTED);
if (next_sorted)
e->type->ops.sq.elevator_merge_req_fn(q, rq, next);
}
@@ -635,7 +637,7 @@ void __elv_add_request(struct request_queue *q, struct request *rq, int where)
if (rq->rq_flags & RQF_SOFTBARRIER) {
/* barriers are scheduling boundary, update end_sector */
- if (rq->cmd_type == REQ_TYPE_FS) {
+ if (!blk_rq_is_passthrough(rq)) {
q->end_sector = rq_end_sector(rq);
q->boundary_rq = rq;
}
@@ -677,7 +679,7 @@ void __elv_add_request(struct request_queue *q, struct request *rq, int where)
if (elv_attempt_insert_merge(q, rq))
break;
case ELEVATOR_INSERT_SORT:
- BUG_ON(rq->cmd_type != REQ_TYPE_FS);
+ BUG_ON(blk_rq_is_passthrough(rq));
rq->rq_flags |= RQF_SORTED;
q->nr_sorted++;
if (rq_mergeable(rq)) {