#define BLK_MQ_H
#include <linux/blkdev.h>
+#include <linux/sbitmap.h>
struct blk_mq_tags;
struct blk_flush_queue;
int (*notify)(void *data, unsigned long action, unsigned int cpu);
};
-struct blk_mq_ctxmap {
- unsigned int size;
- unsigned int bits_per_word;
- struct blk_align_bitmap *map;
-};
-
struct blk_mq_hw_ctx {
struct {
spinlock_t lock;
void *driver_data;
- struct blk_mq_ctxmap ctx_map;
+ struct sbitmap ctx_map;
struct blk_mq_ctx **ctxs;
unsigned int nr_ctx;
BLK_MQ_F_TAG_SHARED = 1 << 1,
BLK_MQ_F_SG_MERGE = 1 << 2,
BLK_MQ_F_DEFER_ISSUE = 1 << 4,
+ BLK_MQ_F_BLOCKING = 1 << 5,
BLK_MQ_F_ALLOC_POLICY_START_BIT = 8,
BLK_MQ_F_ALLOC_POLICY_BITS = 1,
struct request_queue *blk_mq_init_queue(struct blk_mq_tag_set *);
struct request_queue *blk_mq_init_allocated_queue(struct blk_mq_tag_set *set,
struct request_queue *q);
-int blk_mq_register_disk(struct gendisk *);
-void blk_mq_unregister_disk(struct gendisk *);
+int blk_mq_register_dev(struct device *, struct request_queue *);
+void blk_mq_unregister_dev(struct device *, struct request_queue *);
int blk_mq_alloc_tag_set(struct blk_mq_tag_set *set);
void blk_mq_free_tag_set(struct blk_mq_tag_set *set);