struct blk_queue_ctx;
typedef void (request_fn_proc) (struct request_queue *q);
-typedef void (make_request_fn) (struct request_queue *q, struct bio *bio);
+typedef blk_qc_t (make_request_fn) (struct request_queue *q, struct bio *bio);
typedef int (prep_rq_fn) (struct request_queue *, struct request *);
typedef void (unprep_rq_fn) (struct request_queue *, struct request *);
*/
struct kobject mq_kobj;
+#ifdef CONFIG_BLK_DEV_INTEGRITY
+ struct blk_integrity integrity;
+#endif /* CONFIG_BLK_DEV_INTEGRITY */
+
#ifdef CONFIG_PM
struct device *dev;
int rpm_status;
#endif
struct rcu_head rcu_head;
wait_queue_head_t mq_freeze_wq;
- struct percpu_ref mq_usage_counter;
+ struct percpu_ref q_usage_counter;
struct list_head all_q_node;
struct blk_mq_tag_set *tag_set;
extern int blk_register_queue(struct gendisk *disk);
extern void blk_unregister_queue(struct gendisk *disk);
-extern void generic_make_request(struct bio *bio);
+extern blk_qc_t generic_make_request(struct bio *bio);
extern void blk_rq_init(struct request_queue *q, struct request *rq);
extern void blk_put_request(struct request *);
extern void __blk_put_request(struct request_queue *, struct request *);
typedef int (integrity_processing_fn) (struct blk_integrity_iter *);
-struct blk_integrity {
- integrity_processing_fn *generate_fn;
- integrity_processing_fn *verify_fn;
-
- unsigned short flags;
- unsigned short tuple_size;
- unsigned short interval;
- unsigned short tag_size;
-
- const char *name;
-
- struct kobject kobj;
+struct blk_integrity_profile {
+ integrity_processing_fn *generate_fn;
+ integrity_processing_fn *verify_fn;
+ const char *name;
};
-extern bool blk_integrity_is_initialized(struct gendisk *);
-extern int blk_integrity_register(struct gendisk *, struct blk_integrity *);
+extern void blk_integrity_register(struct gendisk *, struct blk_integrity *);
extern void blk_integrity_unregister(struct gendisk *);
extern int blk_integrity_compare(struct gendisk *, struct gendisk *);
extern int blk_rq_map_integrity_sg(struct request_queue *, struct bio *,
extern bool blk_integrity_merge_bio(struct request_queue *, struct request *,
struct bio *);
-static inline
-struct blk_integrity *bdev_get_integrity(struct block_device *bdev)
+static inline struct blk_integrity *blk_get_integrity(struct gendisk *disk)
{
- return bdev->bd_disk->integrity;
+ struct blk_integrity *bi = &disk->queue->integrity;
+
+ if (!bi->profile)
+ return NULL;
+
+ return bi;
}
-static inline struct blk_integrity *blk_get_integrity(struct gendisk *disk)
+static inline
+struct blk_integrity *bdev_get_integrity(struct block_device *bdev)
{
- return disk->integrity;
+ return blk_get_integrity(bdev->bd_disk);
}
static inline bool blk_integrity_rq(struct request *rq)
{
return 0;
}
-static inline int blk_integrity_register(struct gendisk *d,
+static inline void blk_integrity_register(struct gendisk *d,
struct blk_integrity *b)
{
- return 0;
}
static inline void blk_integrity_unregister(struct gendisk *d)
{
{
return true;
}
-static inline bool blk_integrity_is_initialized(struct gendisk *g)
-{
- return 0;
-}
+
static inline bool integrity_req_gap_back_merge(struct request *req,
struct bio *next)
{