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-rw-r--r--block/blk-core.c7
1 files changed, 6 insertions, 1 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);