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-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 f0aeb2a7a9ca..8f2e7c330d6d 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;