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authorBart Van Assche <bart.vanassche@sandisk.com>2017-04-19 14:01:27 -0700
committerJens Axboe <axboe@fb.com>2017-04-19 17:38:34 -0600
commit0be0dee64eacd950f8e4b6c45adb5a92392eaaaf (patch)
tree105bc37e66793b138dfb8471b347a8c069fc794d
parent9460e28022ed8e81c2eea2d3e5531eb199cb1475 (diff)
block: Inline blk_rq_set_prio()
Since only a single caller remains, inline blk_rq_set_prio(). Initialize req->ioprio even if no I/O priority has been set in the bio nor in the I/O context. Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com> Reviewed-by: Adam Manzanares <adam.manzanares@wdc.com> Tested-by: Adam Manzanares <adam.manzanares@wdc.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Cc: Matias Bjørling <m@bjorling.me> Signed-off-by: Jens Axboe <axboe@fb.com>
-rw-r--r--block/blk-core.c7
-rw-r--r--include/linux/blkdev.h14
2 files changed, 6 insertions, 15 deletions
diff --git a/block/blk-core.c b/block/blk-core.c
index 72544b462657..25aea293ee98 100644
--- a/block/blk-core.c
+++ b/block/blk-core.c
@@ -1630,14 +1630,19 @@ out:
void blk_init_request_from_bio(struct request *req, struct bio *bio)
{
+ struct io_context *ioc = rq_ioc(bio);
+
if (bio->bi_opf & REQ_RAHEAD)
req->cmd_flags |= REQ_FAILFAST_MASK;
req->errors = 0;
req->__sector = bio->bi_iter.bi_sector;
- blk_rq_set_prio(req, rq_ioc(bio));
if (ioprio_valid(bio_prio(bio)))
req->ioprio = bio_prio(bio);
+ else if (ioc)
+ req->ioprio = ioc->ioprio;
+ else
+ req->ioprio = IOPRIO_PRIO_VALUE(IOPRIO_CLASS_NONE, 0);
blk_rq_bio_prep(req->q, req, bio);
}
EXPORT_SYMBOL_GPL(blk_init_request_from_bio);
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 3470375952a1..51c9e391798e 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -1088,20 +1088,6 @@ static inline unsigned int blk_rq_count_bios(struct request *rq)
}
/*
- * blk_rq_set_prio - associate a request with prio from ioc
- * @rq: request of interest
- * @ioc: target iocontext
- *
- * Assocate request prio with ioc prio so request based drivers
- * can leverage priority information.
- */
-static inline void blk_rq_set_prio(struct request *rq, struct io_context *ioc)
-{
- if (ioc)
- rq->ioprio = ioc->ioprio;
-}
-
-/*
* Request issue related functions.
*/
extern struct request *blk_peek_request(struct request_queue *q);