Let the user know when the number of submission queues are being
ignored.

Signed-off-by: Matias Bjorling <[email protected]>
---
 drivers/block/null_blk.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/drivers/block/null_blk.c b/drivers/block/null_blk.c
index f0aeb2a..8f2e7c3 100644
--- a/drivers/block/null_blk.c
+++ b/drivers/block/null_blk.c
@@ -590,9 +590,12 @@ static int __init null_init(void)
        }
 #endif
 
-       if (queue_mode == NULL_Q_MQ && use_per_node_hctx)
+       if (queue_mode == NULL_Q_MQ && use_per_node_hctx) {
+               if (submit_queues > 0)
+                       pr_warn("null_blk: submit_queues param is set to %u.",
+                                                       nr_online_nodes);
                submit_queues = nr_online_nodes;
-       else if (submit_queues > nr_cpu_ids)
+       } else if (submit_queues > nr_cpu_ids)
                submit_queues = nr_cpu_ids;
        else if (!submit_queues)
                submit_queues = 1;
-- 
1.8.3.2

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Reply via email to