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-rw-r--r--block/blk-mq-sched.c32
1 files changed, 0 insertions, 32 deletions
diff --git a/block/blk-mq-sched.c b/block/blk-mq-sched.c
index 3e9596738852..e7a690ae86c9 100644
--- a/block/blk-mq-sched.c
+++ b/block/blk-mq-sched.c
@@ -344,38 +344,6 @@ void blk_mq_sched_dispatch_requests(struct blk_mq_hw_ctx *hctx)
}
}
-bool blk_mq_sched_try_merge(struct request_queue *q, struct bio *bio,
- unsigned int nr_segs, struct request **merged_request)
-{
- struct request *rq;
-
- switch (elv_merge(q, &rq, bio)) {
- case ELEVATOR_BACK_MERGE:
- if (!blk_mq_sched_allow_merge(q, rq, bio))
- return false;
- if (bio_attempt_back_merge(rq, bio, nr_segs) != BIO_MERGE_OK)
- return false;
- *merged_request = attempt_back_merge(q, rq);
- if (!*merged_request)
- elv_merged_request(q, rq, ELEVATOR_BACK_MERGE);
- return true;
- case ELEVATOR_FRONT_MERGE:
- if (!blk_mq_sched_allow_merge(q, rq, bio))
- return false;
- if (bio_attempt_front_merge(rq, bio, nr_segs) != BIO_MERGE_OK)
- return false;
- *merged_request = attempt_front_merge(q, rq);
- if (!*merged_request)
- elv_merged_request(q, rq, ELEVATOR_FRONT_MERGE);
- return true;
- case ELEVATOR_DISCARD_MERGE:
- return bio_attempt_discard_merge(q, rq, bio) == BIO_MERGE_OK;
- default:
- return false;
- }
-}
-EXPORT_SYMBOL_GPL(blk_mq_sched_try_merge);
-
bool __blk_mq_sched_bio_merge(struct request_queue *q, struct bio *bio,
unsigned int nr_segs)
{