unsigned long state;
#define GD_NEED_PART_SCAN 0
#define GD_READ_ONLY 1
-#define GD_QUEUE_REF 2
struct mutex open_mutex; /* open/close mutex */
unsigned open_partitions; /* number of open partitions */
void disk_uevent(struct gendisk *disk, enum kobject_action action);
/* block/genhd.c */
-extern void device_add_disk(struct device *parent, struct gendisk *disk,
- const struct attribute_group **groups);
-static inline void add_disk(struct gendisk *disk)
+int device_add_disk(struct device *parent, struct gendisk *disk,
+ const struct attribute_group **groups);
+static inline int add_disk(struct gendisk *disk)
{
- device_add_disk(NULL, disk, NULL);
+ return device_add_disk(NULL, disk, NULL);
}
extern void del_gendisk(struct gendisk *gp);
int bdev_disk_changed(struct gendisk *disk, bool invalidate);
void blk_drop_partitions(struct gendisk *disk);
-struct gendisk *__alloc_disk_node(int minors, int node_id,
+struct gendisk *__alloc_disk_node(struct request_queue *q, int node_id,
struct lock_class_key *lkclass);
extern void put_disk(struct gendisk *disk);
struct gendisk *__blk_alloc_disk(int node, struct lock_class_key *lkclass);