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authorChristoph Hellwig <hch@lst.de>2022-11-01 18:00:47 +0300
committerJens Axboe <axboe@kernel.dk>2022-11-02 17:35:34 +0300
commit80bd4a7aab4c9ce59bf5e35fdf52aa23d8a3c9f5 (patch)
tree21d1dd0e8d5caf7c99cdeaccf55ac0cd866de799 /block/blk-sysfs.c
parent8537380bb9882c201db60a1eb201aac6e74083e8 (diff)
downloadlinux-80bd4a7aab4c9ce59bf5e35fdf52aa23d8a3c9f5.tar.xz
blk-mq: move the srcu_struct used for quiescing to the tagset
All I/O submissions have fairly similar latencies, and a tagset-wide quiesce is a fairly common operation. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Keith Busch <kbusch@kernel.org> Reviewed-by: Ming Lei <ming.lei@redhat.com> Reviewed-by: Chao Leng <lengchao@huawei.com> Reviewed-by: Sagi Grimberg <sagi@grimberg.me> Reviewed-by: Hannes Reinecke <hare@suse.de> Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com> Link: https://lore.kernel.org/r/20221101150050.3510-12-hch@lst.de [axboe: fix whitespace] Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'block/blk-sysfs.c')
-rw-r--r--block/blk-sysfs.c9
1 files changed, 2 insertions, 7 deletions
diff --git a/block/blk-sysfs.c b/block/blk-sysfs.c
index 7b98c7074771..02e94c4beff1 100644
--- a/block/blk-sysfs.c
+++ b/block/blk-sysfs.c
@@ -742,10 +742,8 @@ queue_attr_store(struct kobject *kobj, struct attribute *attr,
static void blk_free_queue_rcu(struct rcu_head *rcu_head)
{
- struct request_queue *q = container_of(rcu_head, struct request_queue,
- rcu_head);
-
- kmem_cache_free(blk_get_queue_kmem_cache(blk_queue_has_srcu(q)), q);
+ kmem_cache_free(blk_requestq_cachep,
+ container_of(rcu_head, struct request_queue, rcu_head));
}
/**
@@ -782,9 +780,6 @@ static void blk_release_queue(struct kobject *kobj)
if (queue_is_mq(q))
blk_mq_release(q);
- if (blk_queue_has_srcu(q))
- cleanup_srcu_struct(q->srcu);
-
ida_free(&blk_queue_ida, q->id);
call_rcu(&q->rcu_head, blk_free_queue_rcu);
}