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Commit d9d8c5c4 authored by Mike Christie's avatar Mike Christie Committed by Jens Axboe
Browse files

block: convert is_sync helpers to use REQ_OPs. 



This patch converts the is_sync helpers to use separate variables
for the operation and flags.

Signed-off-by: default avatarMike Christie <mchristi@redhat.com>
Reviewed-by: default avatarChristoph Hellwig <hch@lst.de>
Reviewed-by: default avatarHannes Reinecke <hare@suse.com>
Signed-off-by: default avatarJens Axboe <axboe@fb.com>
parent 8fe0d473

block/blk-core.c

+3 −3
Original line number Diff line number Diff line
@@ -962,7 +962,7 @@ static void __freed_request(struct request_list *rl, int sync) 
static void freed_request(struct request_list *rl, int op, unsigned int flags)

{

	struct request_queue *q = rl->q;

	int sync = rw_is_sync(op | flags);

	int sync = rw_is_sync(op, flags);



	q->nr_rqs[sync]--;

	rl->count[sync]--;
@@ -1075,7 +1075,7 @@ static struct request *__get_request(struct request_list *rl, int op, 
	struct elevator_type *et = q->elevator->type;

	struct io_context *ioc = rq_ioc(bio);

	struct io_cq *icq = NULL;

	const bool is_sync = rw_is_sync(op | op_flags) != 0;

	const bool is_sync = rw_is_sync(op, op_flags) != 0;

	int may_queue;



	if (unlikely(blk_queue_dying(q)))
@@ -1244,7 +1244,7 @@ static struct request *get_request(struct request_queue *q, int op, 
				   int op_flags, struct bio *bio,

				   gfp_t gfp_mask)

{

	const bool is_sync = rw_is_sync(op | op_flags) != 0;

	const bool is_sync = rw_is_sync(op, op_flags) != 0;

	DEFINE_WAIT(wait);

	struct request_list *rl;

	struct request *rq;

block/blk-mq.c

+4 −4
Original line number Diff line number Diff line
@@ -204,7 +204,7 @@ static void blk_mq_rq_ctx_init(struct request_queue *q, struct blk_mq_ctx *ctx, 
	rq->end_io_data = NULL;

	rq->next_rq = NULL;



	ctx->rq_dispatched[rw_is_sync(op | op_flags)]++;

	ctx->rq_dispatched[rw_is_sync(op, op_flags)]++;

}



static struct request *
@@ -1178,7 +1178,7 @@ static struct request *blk_mq_map_request(struct request_queue *q, 
	ctx = blk_mq_get_ctx(q);

	hctx = q->mq_ops->map_queue(q, ctx->cpu);



	if (rw_is_sync(bio->bi_rw))

	if (rw_is_sync(bio_op(bio), bio->bi_rw))

		op_flags |= REQ_SYNC;



	trace_block_getrq(q, bio, op);
@@ -1246,7 +1246,7 @@ static int blk_mq_direct_issue_request(struct request *rq, blk_qc_t *cookie) 
 */

static blk_qc_t blk_mq_make_request(struct request_queue *q, struct bio *bio)

{

	const int is_sync = rw_is_sync(bio->bi_rw);

	const int is_sync = rw_is_sync(bio_op(bio), bio->bi_rw);

	const int is_flush_fua = bio->bi_rw & (REQ_FLUSH | REQ_FUA);

	struct blk_map_ctx data;

	struct request *rq;
@@ -1343,7 +1343,7 @@ static blk_qc_t blk_mq_make_request(struct request_queue *q, struct bio *bio) 
 */

static blk_qc_t blk_sq_make_request(struct request_queue *q, struct bio *bio)

{

	const int is_sync = rw_is_sync(bio->bi_rw);

	const int is_sync = rw_is_sync(bio_op(bio), bio->bi_rw);

	const int is_flush_fua = bio->bi_rw & (REQ_FLUSH | REQ_FUA);

	struct blk_plug *plug;

	unsigned int request_count = 0;

block/cfq-iosched.c

+1 −1
Original line number Diff line number Diff line
@@ -4311,7 +4311,7 @@ static int cfq_may_queue(struct request_queue *q, int op, int op_flags) 
	if (!cic)

		return ELV_MQUEUE_MAY;



	cfqq = cic_to_cfqq(cic, rw_is_sync(op | op_flags));

	cfqq = cic_to_cfqq(cic, rw_is_sync(op, op_flags));

	if (cfqq) {

		cfq_init_prio_data(cfqq, cic);

include/linux/blkdev.h

+3 −3
Original line number Diff line number Diff line
@@ -624,14 +624,14 @@ static inline unsigned int blk_queue_cluster(struct request_queue *q) 
/*

 * We regard a request as sync, if either a read or a sync write

 */

static inline bool rw_is_sync(unsigned int rw_flags)

static inline bool rw_is_sync(int op, unsigned int rw_flags)

{

	return !(rw_flags & REQ_WRITE) || (rw_flags & REQ_SYNC);

	return op == REQ_OP_READ || (rw_flags & REQ_SYNC);

}



static inline bool rq_is_sync(struct request *rq)

{

	return rw_is_sync(rq->cmd_flags);

	return rw_is_sync(req_op(rq), rq->cmd_flags);

}



static inline bool blk_rl_full(struct request_list *rl, bool sync)