[PATCH 21/21] null_blk: Do not limit # of hardware queues to # of CPUs

[Alexander Gordeev]

It is not responsibility of device driver to assume number of
hardware queues used. Let the block layer decide instead.

CC: Jens Axboe <ax...@kernel.dk>
CC: linux-n...@lists.infradead.org
Signed-off-by: Alexander Gordeev <agord...@redhat.com>
---
 drivers/block/null_blk.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/block/null_blk.c b/drivers/block/null_blk.c
index 1747040..8c5cf88 100644
--- a/drivers/block/null_blk.c
+++ b/drivers/block/null_blk.c
@@ -793,9 +793,7 @@ static int __init null_init(void)
                                                        nr_online_nodes);
                        submit_queues = nr_online_nodes;
                }
-       } else if (submit_queues > nr_cpu_ids)
-               submit_queues = nr_cpu_ids;
-       else if (!submit_queues)
+       } else if (!submit_queues)
                submit_queues = 1;
 
        mutex_init(&lock);
-- 
1.8.3.1