diff options
Diffstat (limited to 'block/blk.h')
| -rw-r--r-- | block/blk.h | 27 |
1 files changed, 9 insertions, 18 deletions
diff --git a/block/blk.h b/block/blk.h index a186ea20f39d..4c3b3325219a 100644 --- a/block/blk.h +++ b/block/blk.h @@ -26,11 +26,6 @@ struct blk_flush_queue { spinlock_t mq_flush_lock; }; -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; - bool is_flush_rq(struct request *req); struct blk_flush_queue *blk_alloc_flush_queue(int node, int cmd_size, @@ -104,7 +99,7 @@ static inline bool biovec_phys_mergeable(struct request_queue *q, return true; } -static inline bool __bvec_gap_to_prev(struct queue_limits *lim, +static inline bool __bvec_gap_to_prev(const struct queue_limits *lim, struct bio_vec *bprv, unsigned int offset) { return (offset & lim->virt_boundary_mask) || @@ -115,7 +110,7 @@ static inline bool __bvec_gap_to_prev(struct queue_limits *lim, * Check if adding a bio_vec after bprv with offset would create a gap in * the SG list. Most drivers don't care about this, but some do. */ -static inline bool bvec_gap_to_prev(struct queue_limits *lim, +static inline bool bvec_gap_to_prev(const struct queue_limits *lim, struct bio_vec *bprv, unsigned int offset) { if (!lim->virt_boundary_mask) @@ -278,6 +273,7 @@ bool blk_bio_list_merge(struct request_queue *q, struct list_head *list, void blk_insert_flush(struct request *rq); int elevator_switch(struct request_queue *q, struct elevator_type *new_e); +void elevator_disable(struct request_queue *q); void elevator_exit(struct request_queue *q); int elv_register_queue(struct request_queue *q, bool uevent); void elv_unregister_queue(struct request_queue *q); @@ -297,7 +293,7 @@ ssize_t part_timeout_store(struct device *, struct device_attribute *, const char *, size_t); static inline bool bio_may_exceed_limits(struct bio *bio, - struct queue_limits *lim) + const struct queue_limits *lim) { switch (bio_op(bio)) { case REQ_OP_DISCARD: @@ -320,8 +316,9 @@ static inline bool bio_may_exceed_limits(struct bio *bio, bio->bi_io_vec->bv_len + bio->bi_io_vec->bv_offset > PAGE_SIZE; } -struct bio *__bio_split_to_limits(struct bio *bio, struct queue_limits *lim, - unsigned int *nr_segs); +struct bio *__bio_split_to_limits(struct bio *bio, + const struct queue_limits *lim, + unsigned int *nr_segs); int ll_back_merge_fn(struct request *req, struct bio *bio, unsigned int nr_segs); bool blk_attempt_req_merge(struct request_queue *q, struct request *rq, @@ -428,15 +425,9 @@ 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); +int disk_scan_partitions(struct gendisk *disk, fmode_t mode, void *owner); int disk_alloc_events(struct gendisk *disk); void disk_add_events(struct gendisk *disk); |