4.4-stable review patch. If anyone has any objections, please let me know.
------------------
From: Omar Sandoval <osandov@xxxxxx>
commit b4a567e8114327518c09f5632339a5954ab975a3 upstream.
->queue_rq() should return one of the BLK_MQ_RQ_QUEUE_* constants, not
an errno.
Fixes: f4aa4c7bbac6 ("block: loop: convert to per-device workqueue")
Signed-off-by: Omar Sandoval <osandov@xxxxxx>
Signed-off-by: Jens Axboe <axboe@xxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/block/loop.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/block/loop.c
+++ b/drivers/block/loop.c
@@ -1657,7 +1657,7 @@ static int loop_queue_rq(struct blk_mq_h
blk_mq_start_request(bd->rq);
if (lo->lo_state != Lo_bound)
- return -EIO;
+ return BLK_MQ_RQ_QUEUE_ERROR;
if (lo->use_dio && !(cmd->rq->cmd_flags & (REQ_FLUSH |
REQ_DISCARD)))
--
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