diff mbox series

[3/8] block: Remove request_queue.nr_queues

Message ID 20190930230047.44113-4-bvanassche@acm.org (mailing list archive)
State New, archived
Headers show
Series Block layer patches for kernel v5.5 | expand

Commit Message

Bart Van Assche Sept. 30, 2019, 11 p.m. UTC 
Commit 897bb0c7f1ea ("blk-mq: Use proper cpumask iterator"; v4.6)
removed the last use of request_queue.nr_queues from outside
blk_mq_init_allocate_queue(). Remove this member variable to make
struct request_queue smaller. This patch does not change any
functionality.

Cc: Christoph Hellwig <hch@infradead.org>
Cc: Ming Lei <ming.lei@redhat.com>
Cc: Hannes Reinecke <hare@suse.com>
Cc: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
---
 block/blk-mq.c         | 6 +++---
 include/linux/blkdev.h | 1 -
 2 files changed, 3 insertions(+), 4 deletions(-)
diff mbox series

Patch

diff --git a/block/blk-mq.c b/block/blk-mq.c
index 29275f5a996f..25b8a9b44a31 100644
--- a/block/blk-mq.c
+++ b/block/blk-mq.c
@@ -2867,9 +2867,9 @@  struct request_queue *blk_mq_init_allocated_queue(struct blk_mq_tag_set *set,
 	/* init q->mq_kobj and sw queues' kobjects */
 	blk_mq_sysfs_init(q);
 
-	q->nr_queues = nr_hw_queues(set);
-	q->queue_hw_ctx = kcalloc_node(q->nr_queues, sizeof(*(q->queue_hw_ctx)),
-						GFP_KERNEL, set->numa_node);
+	q->queue_hw_ctx = kcalloc_node(nr_hw_queues(set),
+				       sizeof(*(q->queue_hw_ctx)), GFP_KERNEL,
+				       set->numa_node);
 	if (!q->queue_hw_ctx)
 		goto err_sys_init;
 
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 6032bb740cf4..fe32e07c5e3c 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -411,7 +411,6 @@  struct request_queue {
 
 	/* sw queues */
 	struct blk_mq_ctx __percpu	*queue_ctx;
-	unsigned int		nr_queues;
 
 	unsigned int		queue_depth;