diff options
| author | Christoph Hellwig <hch@lst.de> | 2017-01-27 08:30:47 -0700 |
|---|---|---|
| committer | Jens Axboe <axboe@fb.com> | 2017-01-27 09:01:45 -0700 |
| commit | f73f44eb00cb136990cfb7d40e436c13d7669ec8 (patch) | |
| tree | e0a5cc16d9373eec0346538fe073f0c0b08133bf /block | |
| parent | c13660a08c8b3bb49def4374bfd414aaaa564662 (diff) | |
block: add a op_is_flush helper
This centralizes the checks for bios that needs to be go into the flush
state machine.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Reviewed-by: Bart Van Assche <bart.vanassche@sandisk.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'block')
| -rw-r--r-- | block/blk-core.c | 8 | ||||
| -rw-r--r-- | block/blk-mq-sched.c | 5 | ||||
| -rw-r--r-- | block/blk-mq.c | 4 |
3 files changed, 8 insertions, 9 deletions
diff --git a/block/blk-core.c b/block/blk-core.c index a61f1407f4f6..b830e14117dd 100644 --- a/block/blk-core.c +++ b/block/blk-core.c @@ -1035,7 +1035,7 @@ static bool blk_rq_should_init_elevator(struct bio *bio) * Flush requests do not use the elevator so skip initialization. * This allows a request to share the flush and elevator data. */ - if (bio->bi_opf & (REQ_PREFLUSH | REQ_FUA)) + if (op_is_flush(bio->bi_opf)) return false; return true; @@ -1641,7 +1641,7 @@ static blk_qc_t blk_queue_bio(struct request_queue *q, struct bio *bio) return BLK_QC_T_NONE; } - if (bio->bi_opf & (REQ_PREFLUSH | REQ_FUA)) { + if (op_is_flush(bio->bi_opf)) { spin_lock_irq(q->queue_lock); where = ELEVATOR_INSERT_FLUSH; goto get_rq; @@ -2145,7 +2145,7 @@ int blk_insert_cloned_request(struct request_queue *q, struct request *rq) */ BUG_ON(blk_queued_rq(rq)); - if (rq->cmd_flags & (REQ_PREFLUSH | REQ_FUA)) + if (op_is_flush(rq->cmd_flags)) where = ELEVATOR_INSERT_FLUSH; add_acct_request(q, rq, where); @@ -3256,7 +3256,7 @@ void blk_flush_plug_list(struct blk_plug *plug, bool from_schedule) /* * rq is already accounted, so use raw insert */ - if (rq->cmd_flags & (REQ_PREFLUSH | REQ_FUA)) + if (op_is_flush(rq->cmd_flags)) __elv_add_request(q, rq, ELEVATOR_INSERT_FLUSH); else __elv_add_request(q, rq, ELEVATOR_INSERT_SORT_MERGE); diff --git a/block/blk-mq-sched.c b/block/blk-mq-sched.c index c27613de80c5..4139b07ab33b 100644 --- a/block/blk-mq-sched.c +++ b/block/blk-mq-sched.c @@ -111,7 +111,6 @@ struct request *blk_mq_sched_get_request(struct request_queue *q, struct blk_mq_hw_ctx *hctx; struct blk_mq_ctx *ctx; struct request *rq; - const bool is_flush = op & (REQ_PREFLUSH | REQ_FUA); blk_queue_enter_live(q); ctx = blk_mq_get_ctx(q); @@ -126,7 +125,7 @@ struct request *blk_mq_sched_get_request(struct request_queue *q, * Flush requests are special and go directly to the * dispatch list. */ - if (!is_flush && e->type->ops.mq.get_request) { + if (!op_is_flush(op) && e->type->ops.mq.get_request) { rq = e->type->ops.mq.get_request(q, op, data); if (rq) rq->rq_flags |= RQF_QUEUED; @@ -139,7 +138,7 @@ struct request *blk_mq_sched_get_request(struct request_queue *q, } if (rq) { - if (!is_flush) { + if (!op_is_flush(op)) { rq->elv.icq = NULL; if (e && e->type->icq_cache) blk_mq_sched_assign_ioc(q, rq, bio); diff --git a/block/blk-mq.c b/block/blk-mq.c index 301ae29fd229..da2123dd681e 100644 --- a/block/blk-mq.c +++ b/block/blk-mq.c @@ -1406,7 +1406,7 @@ insert: static blk_qc_t blk_mq_make_request(struct request_queue *q, struct bio *bio) { const int is_sync = op_is_sync(bio->bi_opf); - const int is_flush_fua = bio->bi_opf & (REQ_PREFLUSH | REQ_FUA); + const int is_flush_fua = op_is_flush(bio->bi_opf); struct blk_mq_alloc_data data = { .flags = 0 }; struct request *rq; unsigned int request_count = 0, srcu_idx; @@ -1527,7 +1527,7 @@ done: static blk_qc_t blk_sq_make_request(struct request_queue *q, struct bio *bio) { const int is_sync = op_is_sync(bio->bi_opf); - const int is_flush_fua = bio->bi_opf & (REQ_PREFLUSH | REQ_FUA); + const int is_flush_fua = op_is_flush(bio->bi_opf); struct blk_plug *plug; unsigned int request_count = 0; struct blk_mq_alloc_data data = { .flags = 0 }; |