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authorMike Christie <mchristi@redhat.com>2016-06-05 14:32:13 -0500
committerJens Axboe <axboe@fb.com>2016-06-07 13:41:38 -0600
commitba568ea0a2ef9a193ca24874228474ec7ae2ff98 (patch)
tree6e8644ecf525f06c987760705fca60063fe90666 /block/elevator.c
parentcc6e3b10920b425f0b34d4ff75c63d930aaf14ce (diff)
downloadlinux-0-day-ba568ea0a2ef9a193ca24874228474ec7ae2ff98.tar.gz
block: prepare elevator to use REQ_OPs.
This patch converts the elevator code to use separate variables for the operation and flags, and to check req_op for the REQ_OP. Signed-off-by: Mike Christie <mchristi@redhat.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Hannes Reinecke <hare@suse.com> Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'block/elevator.c')
-rw-r--r--block/elevator.c7
1 files changed, 3 insertions, 4 deletions
diff --git a/block/elevator.c b/block/elevator.c
index c3555c9..ea9319d 100644
--- a/block/elevator.c
+++ b/block/elevator.c
@@ -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_DISCARD) != (req_op(pos) == REQ_OP_DISCARD))
break;
if (rq_data_dir(rq) != rq_data_dir(pos))
break;
@@ -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;
}