extern struct kobj_type blk_queue_ktype;
extern struct ida blk_queue_ida;
-static inline void __blk_get_queue(struct request_queue *q)
-{
- kobject_get(&q->kobj);
-}
-
bool is_flush_rq(struct request *req);
struct blk_flush_queue *blk_alloc_flush_queue(int node, int cmd_size,
return false;
}
+static inline unsigned int blk_queue_get_max_sectors(struct request_queue *q,
+ enum req_op op)
+{
+ if (unlikely(op == REQ_OP_DISCARD || op == REQ_OP_SECURE_ERASE))
+ return min(q->limits.max_discard_sectors,
+ UINT_MAX >> SECTOR_SHIFT);
+
+ if (unlikely(op == REQ_OP_WRITE_ZEROES))
+ return q->limits.max_write_zeroes_sectors;
+
+ return q->limits.max_sectors;
+}
+
#ifdef CONFIG_BLK_DEV_INTEGRITY
void blk_flush_integrity(void);
bool __bio_integrity_endio(struct bio *);
#endif
#ifdef CONFIG_BLK_DEV_ZONED
-void blk_queue_free_zone_bitmaps(struct request_queue *q);
-void blk_queue_clear_zone_settings(struct request_queue *q);
+void disk_free_zone_bitmaps(struct gendisk *disk);
+void disk_clear_zone_settings(struct gendisk *disk);
#else
-static inline void blk_queue_free_zone_bitmaps(struct request_queue *q) {}
-static inline void blk_queue_clear_zone_settings(struct request_queue *q) {}
+static inline void disk_free_zone_bitmaps(struct gendisk *disk) {}
+static inline void disk_clear_zone_settings(struct gendisk *disk) {}
#endif
int blk_alloc_ext_minor(void);
sector_t length);
void blk_drop_partitions(struct gendisk *disk);
+struct gendisk *__alloc_disk_node(struct request_queue *q, int node_id,
+ struct lock_class_key *lkclass);
+
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);
extern struct device_attribute dev_attr_events_async;
extern struct device_attribute dev_attr_events_poll_msecs;
+extern struct attribute_group blk_trace_attr_group;
+
long blkdev_ioctl(struct file *file, unsigned cmd, unsigned long arg);
long compat_blkdev_ioctl(struct file *file, unsigned cmd, unsigned long arg);
extern const struct address_space_operations def_blk_aops;
-int disk_register_independent_access_ranges(struct gendisk *disk,
- struct blk_independent_access_ranges *new_iars);
+int disk_register_independent_access_ranges(struct gendisk *disk);
void disk_unregister_independent_access_ranges(struct gendisk *disk);
#ifdef CONFIG_FAIL_MAKE_REQUEST