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authorChristoph Hellwig <hch@lst.de>2018-11-14 19:02:18 +0300
committerJens Axboe <axboe@kernel.dk>2018-11-15 22:13:35 +0300
commit6d46964230d182c4b6097379738849a809d791dc (patch)
treeb5affc08e2d8e1361de33ff8cfa41048cc182d84 /block/blk-core.c
parent310df020cdd7570e1a8ee43bd58999a743686eda (diff)
downloadlinux-6d46964230d182c4b6097379738849a809d791dc.tar.xz
block: remove the lock argument to blk_alloc_queue_node
With the legacy request path gone there is no real need to override the queue_lock. Reviewed-by: Hannes Reinecke <hare@suse.com> Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'block/blk-core.c')
-rw-r--r--block/blk-core.c16
1 files changed, 3 insertions, 13 deletions
diff --git a/block/blk-core.c b/block/blk-core.c
index 5c8e66a09d82..3f94c9de0252 100644
--- a/block/blk-core.c
+++ b/block/blk-core.c
@@ -393,7 +393,7 @@ EXPORT_SYMBOL(blk_cleanup_queue);
struct request_queue *blk_alloc_queue(gfp_t gfp_mask)
{
- return blk_alloc_queue_node(gfp_mask, NUMA_NO_NODE, NULL);
+ return blk_alloc_queue_node(gfp_mask, NUMA_NO_NODE);
}
EXPORT_SYMBOL(blk_alloc_queue);
@@ -473,17 +473,8 @@ static void blk_rq_timed_out_timer(struct timer_list *t)
* blk_alloc_queue_node - allocate a request queue
* @gfp_mask: memory allocation flags
* @node_id: NUMA node to allocate memory from
- * @lock: For legacy queues, pointer to a spinlock that will be used to e.g.
- * serialize calls to the legacy .request_fn() callback. Ignored for
- * blk-mq request queues.
- *
- * Note: pass the queue lock as the third argument to this function instead of
- * setting the queue lock pointer explicitly to avoid triggering a sporadic
- * crash in the blkcg code. This function namely calls blkcg_init_queue() and
- * the queue lock pointer must be set before blkcg_init_queue() is called.
*/
-struct request_queue *blk_alloc_queue_node(gfp_t gfp_mask, int node_id,
- spinlock_t *lock)
+struct request_queue *blk_alloc_queue_node(gfp_t gfp_mask, int node_id)
{
struct request_queue *q;
int ret;
@@ -534,8 +525,7 @@ struct request_queue *blk_alloc_queue_node(gfp_t gfp_mask, int node_id,
#endif
mutex_init(&q->sysfs_lock);
spin_lock_init(&q->__queue_lock);
-
- q->queue_lock = lock ? : &q->__queue_lock;
+ q->queue_lock = &q->__queue_lock;
init_waitqueue_head(&q->mq_freeze_wq);