diff options
Diffstat (limited to 'block')
| -rw-r--r-- | block/cfq-iosched.c | 16 |
1 files changed, 4 insertions, 12 deletions
diff --git a/block/cfq-iosched.c b/block/cfq-iosched.c index c96186adaa668..f28db97c3fe07 100644 --- a/block/cfq-iosched.c +++ b/block/cfq-iosched.c @@ -912,15 +912,6 @@ static inline struct cfq_data *cic_to_cfqd(struct cfq_io_cq *cic) } /* - * We regard a request as SYNC, if it's either a read or has the SYNC bit - * set (in which case it could also be direct WRITE). - */ -static inline bool cfq_bio_sync(struct bio *bio) -{ - return bio_data_dir(bio) == READ || (bio->bi_opf & REQ_SYNC); -} - -/* * scheduler run of queue, if there are requests pending and no one in the * driver that will restart queueing */ @@ -2490,7 +2481,7 @@ cfq_find_rq_fmerge(struct cfq_data *cfqd, struct bio *bio) if (!cic) return NULL; - cfqq = cic_to_cfqq(cic, cfq_bio_sync(bio)); + cfqq = cic_to_cfqq(cic, op_is_sync(bio->bi_opf)); if (cfqq) return elv_rb_find(&cfqq->sort_list, bio_end_sector(bio)); @@ -2604,13 +2595,14 @@ static int cfq_allow_bio_merge(struct request_queue *q, struct request *rq, struct bio *bio) { struct cfq_data *cfqd = q->elevator->elevator_data; + bool is_sync = op_is_sync(bio->bi_opf); struct cfq_io_cq *cic; struct cfq_queue *cfqq; /* * Disallow merge of a sync bio into an async request. */ - if (cfq_bio_sync(bio) && !rq_is_sync(rq)) + if (is_sync && !rq_is_sync(rq)) return false; /* @@ -2621,7 +2613,7 @@ static int cfq_allow_bio_merge(struct request_queue *q, struct request *rq, if (!cic) return false; - cfqq = cic_to_cfqq(cic, cfq_bio_sync(bio)); + cfqq = cic_to_cfqq(cic, is_sync); return cfqq == RQ_CFQQ(rq); } |