diff options
Diffstat (limited to 'block/elevator.c')
| -rw-r--r-- | block/elevator.c | 29 |
1 files changed, 14 insertions, 15 deletions
diff --git a/block/elevator.c b/block/elevator.c index c3555c9c6..f7d973a56 100644 --- a/block/elevator.c +++ b/block/elevator.c @@ -53,13 +53,13 @@ static LIST_HEAD(elv_list); * Query io scheduler to see if the current process issuing bio may be * merged with rq. */ -static int elv_iosched_allow_merge(struct request *rq, struct bio *bio) +static int elv_iosched_allow_bio_merge(struct request *rq, struct bio *bio) { struct request_queue *q = rq->q; struct elevator_queue *e = q->elevator; - if (e->type->ops.elevator_allow_merge_fn) - return e->type->ops.elevator_allow_merge_fn(q, rq, bio); + if (e->type->ops.elevator_allow_bio_merge_fn) + return e->type->ops.elevator_allow_bio_merge_fn(q, rq, bio); return 1; } @@ -67,17 +67,17 @@ static int elv_iosched_allow_merge(struct request *rq, struct bio *bio) /* * can we safely merge with this request? */ -bool elv_rq_merge_ok(struct request *rq, struct bio *bio) +bool elv_bio_merge_ok(struct request *rq, struct bio *bio) { if (!blk_rq_merge_ok(rq, bio)) - return 0; + return false; - if (!elv_iosched_allow_merge(rq, bio)) - return 0; + if (!elv_iosched_allow_bio_merge(rq, bio)) + return false; - return 1; + return true; } -EXPORT_SYMBOL(elv_rq_merge_ok); +EXPORT_SYMBOL(elv_bio_merge_ok); static struct elevator_type *elevator_find(const char *name) { @@ -366,8 +366,7 @@ void elv_dispatch_sort(struct request_queue *q, struct request *rq) list_for_each_prev(entry, &q->queue_head) { struct request *pos = list_entry_rq(entry); - if ((rq->cmd_flags & REQ_DISCARD) != - (pos->cmd_flags & REQ_DISCARD)) + if (req_op(rq) != req_op(pos)) break; if (rq_data_dir(rq) != rq_data_dir(pos)) break; @@ -426,7 +425,7 @@ int elv_merge(struct request_queue *q, struct request **req, struct bio *bio) /* * First try one-hit cache. */ - if (q->last_merge && elv_rq_merge_ok(q->last_merge, bio)) { + if (q->last_merge && elv_bio_merge_ok(q->last_merge, bio)) { ret = blk_try_merge(q->last_merge, bio); if (ret != ELEVATOR_NO_MERGE) { *req = q->last_merge; @@ -441,7 +440,7 @@ int elv_merge(struct request_queue *q, struct request **req, struct bio *bio) * See if our hash lookup can find a potential backmerge. */ __rq = elv_rqhash_find(q, bio->bi_iter.bi_sector); - if (__rq && elv_rq_merge_ok(__rq, bio)) { + if (__rq && elv_bio_merge_ok(__rq, bio)) { *req = __rq; return ELEVATOR_BACK_MERGE; } @@ -717,12 +716,12 @@ void elv_put_request(struct request_queue *q, struct request *rq) e->type->ops.elevator_put_req_fn(rq); } -int elv_may_queue(struct request_queue *q, int rw) +int elv_may_queue(struct request_queue *q, int op, int op_flags) { struct elevator_queue *e = q->elevator; if (e->type->ops.elevator_may_queue_fn) - return e->type->ops.elevator_may_queue_fn(q, rw); + return e->type->ops.elevator_may_queue_fn(q, op, op_flags); return ELV_MQUEUE_MAY; } |