When we're hitting a busy condition in queuecommand() we need to stop the hardware queue before calling blk_mq_delay_queue(); if we don't blk_mq_delay_queue() will not do anything and requeue will never triggered.
Signed-off-by: Hannes Reinecke <[email protected]> --- drivers/scsi/scsi_lib.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c index e9e1e14..4b1cbc6 100644 --- a/drivers/scsi/scsi_lib.c +++ b/drivers/scsi/scsi_lib.c @@ -1951,8 +1951,10 @@ static int scsi_queue_rq(struct blk_mq_hw_ctx *hctx, switch (ret) { case BLK_MQ_RQ_QUEUE_BUSY: if (atomic_read(&sdev->device_busy) == 0 && - !scsi_device_blocked(sdev)) + !scsi_device_blocked(sdev)) { + blk_mq_stop_hw_queue(hctx); blk_mq_delay_queue(hctx, SCSI_QUEUE_DELAY); + } break; case BLK_MQ_RQ_QUEUE_ERROR: /* -- 1.8.5.6 -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
