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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.h
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.h')
-rw-r--r--block/blk.h9
1 files changed, 1 insertions, 8 deletions
diff --git a/block/blk.h b/block/blk.h
index f1398fb96cec..e85703ae81dd 100644
--- a/block/blk.h
+++ b/block/blk.h
@@ -27,7 +27,6 @@ struct blk_flush_queue {
};
extern struct kmem_cache *blk_requestq_cachep;
-extern struct kmem_cache *blk_requestq_srcu_cachep;
extern struct kobj_type blk_queue_ktype;
extern struct ida blk_queue_ida;
@@ -429,13 +428,7 @@ int bio_add_hw_page(struct request_queue *q, struct bio *bio,
struct page *page, unsigned int len, unsigned int offset,
unsigned int max_sectors, bool *same_page);
-static inline struct kmem_cache *blk_get_queue_kmem_cache(bool srcu)
-{
- if (srcu)
- return blk_requestq_srcu_cachep;
- return blk_requestq_cachep;
-}
-struct request_queue *blk_alloc_queue(int node_id, bool alloc_srcu);
+struct request_queue *blk_alloc_queue(int node_id);
int disk_scan_partitions(struct gendisk *disk, fmode_t mode);