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authorBart Van Assche <bart.vanassche@sandisk.com>2017-04-19 14:01:24 -0700
committerJens Axboe <axboe@fb.com>2017-04-19 17:38:30 -0600
commitda8d7f079b868ceab830309f80efc69d350576f3 (patch)
tree81a79dd156b69cef68d7fc85766e43993e236f23
parentef697902a1328e4a205585612c98f476f25b97ef (diff)
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block: Export blk_init_request_from_bio()
Export this function such that it becomes available to block drivers. Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Cc: Matias Bjørling <m@bjorling.me> Cc: Adam Manzanares <adam.manzanares@wdc.com> Signed-off-by: Jens Axboe <axboe@fb.com>
-rw-r--r--block/blk-core.c5
-rw-r--r--block/blk-mq.c2
-rw-r--r--block/blk.h1
-rw-r--r--include/linux/blkdev.h1
4 files changed, 5 insertions, 4 deletions
diff --git a/block/blk-core.c b/block/blk-core.c
index 9697b789408f..72544b462657 100644
--- a/block/blk-core.c
+++ b/block/blk-core.c
@@ -1628,7 +1628,7 @@ out:
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 @@ get_rq:
* 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();
diff --git a/block/blk-mq.c b/block/blk-mq.c
index e2ef7b460924..c496692ecc5b 100644
--- a/block/blk-mq.c
+++ b/block/blk-mq.c
@@ -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);
}
diff --git a/block/blk.h b/block/blk.h
index 35b3041eec1a..2ed70228e44f 100644
--- a/block/blk.h
+++ b/block/blk.h
@@ -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);
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 5b52b3d7818c..3470375952a1 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -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);