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Diffstat (limited to 'drivers/block/null_blk.c')
-rw-r--r--drivers/block/null_blk.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/block/null_blk.c b/drivers/block/null_blk.c
index 77087a29b127..a3b042c4d448 100644
--- a/drivers/block/null_blk.c
+++ b/drivers/block/null_blk.c
@@ -79,7 +79,7 @@ MODULE_PARM_DESC(home_node, "Home node for the device");
static int queue_mode = NULL_Q_MQ;
module_param(queue_mode, int, S_IRUGO);
-MODULE_PARM_DESC(use_mq, "Use blk-mq interface (0=bio,1=rq,2=multiqueue)");
+MODULE_PARM_DESC(queue_mode, "Block interface to use (0=bio,1=rq,2=multiqueue)");
static int gb = 250;
module_param(gb, int, S_IRUGO);
@@ -227,7 +227,10 @@ static void null_cmd_end_timer(struct nullb_cmd *cmd)
static void null_softirq_done_fn(struct request *rq)
{
- end_cmd(blk_mq_rq_to_pdu(rq));
+ if (queue_mode == NULL_Q_MQ)
+ end_cmd(blk_mq_rq_to_pdu(rq));
+ else
+ end_cmd(rq->special);
}
static inline void null_handle_cmd(struct nullb_cmd *cmd)