diff options
author | Jens Axboe <jaxboe@fusionio.com> | 2011-03-30 09:52:30 +0200 |
---|---|---|
committer | Jens Axboe <jaxboe@fusionio.com> | 2011-04-05 23:51:37 +0200 |
commit | b710a480554f2be682bac3cb59b0e085ba3d644b (patch) | |
tree | bd1b9d5080bca2b35c861ddbc98d4116445bebfb /block | |
parent | 8182924bc5850281985d73c312876746acd390b5 (diff) | |
download | kernel_samsung_espresso10-b710a480554f2be682bac3cb59b0e085ba3d644b.zip kernel_samsung_espresso10-b710a480554f2be682bac3cb59b0e085ba3d644b.tar.gz kernel_samsung_espresso10-b710a480554f2be682bac3cb59b0e085ba3d644b.tar.bz2 |
block: get rid of elv_insert() interface
Merge it with __elv_add_request(), it's pretty pointless to
have a function with only two callers. The main interface
is elv_add_request()/__elv_add_request().
Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
Diffstat (limited to 'block')
-rw-r--r-- | block/blk-flush.c | 4 | ||||
-rw-r--r-- | block/elevator.c | 35 |
2 files changed, 17 insertions, 22 deletions
diff --git a/block/blk-flush.c b/block/blk-flush.c index 93d5fd8..d6275cb 100644 --- a/block/blk-flush.c +++ b/block/blk-flush.c @@ -261,7 +261,7 @@ static bool blk_kick_flush(struct request_queue *q) q->flush_rq.end_io = flush_end_io; q->flush_pending_idx ^= 1; - elv_insert(q, &q->flush_rq, ELEVATOR_INSERT_REQUEUE); + __elv_add_request(q, &q->flush_rq, ELEVATOR_INSERT_REQUEUE); return true; } @@ -281,7 +281,7 @@ static void flush_data_end_io(struct request *rq, int error) * blk_insert_flush - insert a new FLUSH/FUA request * @rq: request to insert * - * To be called from elv_insert() for %ELEVATOR_INSERT_FLUSH insertions. + * To be called from __elv_add_request() for %ELEVATOR_INSERT_FLUSH insertions. * @rq is being submitted. Analyze what needs to be done and put it on the * right queue. * diff --git a/block/elevator.c b/block/elevator.c index c387d31..0cdb4e7 100644 --- a/block/elevator.c +++ b/block/elevator.c @@ -610,7 +610,7 @@ void elv_requeue_request(struct request_queue *q, struct request *rq) rq->cmd_flags &= ~REQ_STARTED; - elv_insert(q, rq, ELEVATOR_INSERT_REQUEUE); + __elv_add_request(q, rq, ELEVATOR_INSERT_REQUEUE); } void elv_drain_elevator(struct request_queue *q) @@ -655,12 +655,25 @@ void elv_quiesce_end(struct request_queue *q) queue_flag_clear(QUEUE_FLAG_ELVSWITCH, q); } -void elv_insert(struct request_queue *q, struct request *rq, int where) +void __elv_add_request(struct request_queue *q, struct request *rq, int where) { trace_block_rq_insert(q, rq); rq->q = q; + BUG_ON(rq->cmd_flags & REQ_ON_PLUG); + + if (rq->cmd_flags & REQ_SOFTBARRIER) { + /* barriers are scheduling boundary, update end_sector */ + if (rq->cmd_type == REQ_TYPE_FS || + (rq->cmd_flags & REQ_DISCARD)) { + q->end_sector = rq_end_sector(rq); + q->boundary_rq = rq; + } + } else if (!(rq->cmd_flags & REQ_ELVPRIV) && + where == ELEVATOR_INSERT_SORT) + where = ELEVATOR_INSERT_BACK; + switch (where) { case ELEVATOR_INSERT_REQUEUE: case ELEVATOR_INSERT_FRONT: @@ -722,24 +735,6 @@ void elv_insert(struct request_queue *q, struct request *rq, int where) BUG(); } } - -void __elv_add_request(struct request_queue *q, struct request *rq, int where) -{ - BUG_ON(rq->cmd_flags & REQ_ON_PLUG); - - if (rq->cmd_flags & REQ_SOFTBARRIER) { - /* barriers are scheduling boundary, update end_sector */ - if (rq->cmd_type == REQ_TYPE_FS || - (rq->cmd_flags & REQ_DISCARD)) { - q->end_sector = rq_end_sector(rq); - q->boundary_rq = rq; - } - } else if (!(rq->cmd_flags & REQ_ELVPRIV) && - where == ELEVATOR_INSERT_SORT) - where = ELEVATOR_INSERT_BACK; - - elv_insert(q, rq, where); -} EXPORT_SYMBOL(__elv_add_request); void elv_add_request(struct request_queue *q, struct request *rq, int where) |