提交 da8d7f07 编写于 作者: B Bart Van Assche 提交者: Jens Axboe

block: Export blk_init_request_from_bio()

Export this function such that it becomes available to block
drivers.
Signed-off-by: NBart Van Assche <bart.vanassche@sandisk.com>
Reviewed-by: NChristoph Hellwig <hch@lst.de>
Cc: Matias Bjørling <m@bjorling.me>
Cc: Adam Manzanares <adam.manzanares@wdc.com>
Signed-off-by: NJens Axboe <axboe@fb.com>
上级 ef697902
......@@ -1628,7 +1628,7 @@ unsigned int blk_plug_queued_count(struct request_queue *q)
return ret;
}
void init_request_from_bio(struct request *req, struct bio *bio)
void blk_init_request_from_bio(struct request *req, struct bio *bio)
{
if (bio->bi_opf & REQ_RAHEAD)
req->cmd_flags |= REQ_FAILFAST_MASK;
......@@ -1640,6 +1640,7 @@ void init_request_from_bio(struct request *req, struct bio *bio)
req->ioprio = bio_prio(bio);
blk_rq_bio_prep(req->q, req, bio);
}
EXPORT_SYMBOL_GPL(blk_init_request_from_bio);
static blk_qc_t blk_queue_bio(struct request_queue *q, struct bio *bio)
{
......@@ -1730,7 +1731,7 @@ static blk_qc_t blk_queue_bio(struct request_queue *q, struct bio *bio)
* We don't worry about that case for efficiency. It won't happen
* often, and the elevators are able to handle it.
*/
init_request_from_bio(req, bio);
blk_init_request_from_bio(req, bio);
if (test_bit(QUEUE_FLAG_SAME_COMP, &q->queue_flags))
req->cpu = raw_smp_processor_id();
......
......@@ -1424,7 +1424,7 @@ void blk_mq_flush_plug_list(struct blk_plug *plug, bool from_schedule)
static void blk_mq_bio_to_request(struct request *rq, struct bio *bio)
{
init_request_from_bio(rq, bio);
blk_init_request_from_bio(rq, bio);
blk_account_io_start(rq, true);
}
......
......@@ -60,7 +60,6 @@ void blk_free_flush_queue(struct blk_flush_queue *q);
int blk_init_rl(struct request_list *rl, struct request_queue *q,
gfp_t gfp_mask);
void blk_exit_rl(struct request_list *rl);
void init_request_from_bio(struct request *req, struct bio *bio);
void blk_rq_bio_prep(struct request_queue *q, struct request *rq,
struct bio *bio);
void blk_queue_bypass_start(struct request_queue *q);
......
......@@ -924,6 +924,7 @@ extern int blk_register_queue(struct gendisk *disk);
extern void blk_unregister_queue(struct gendisk *disk);
extern blk_qc_t generic_make_request(struct bio *bio);
extern void blk_rq_init(struct request_queue *q, struct request *rq);
extern void blk_init_request_from_bio(struct request *req, struct bio *bio);
extern void blk_put_request(struct request *);
extern void __blk_put_request(struct request_queue *, struct request *);
extern struct request *blk_get_request(struct request_queue *, int, gfp_t);
......
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