}
EXPORT_SYMBOL(blk_mq_init_queue);
-struct gendisk *__blk_mq_alloc_disk(struct blk_mq_tag_set *set, void *queuedata)
+struct gendisk *__blk_mq_alloc_disk(struct blk_mq_tag_set *set, void *queuedata,
+ struct lock_class_key *lkclass)
{
struct request_queue *q;
struct gendisk *disk;
if (IS_ERR(q))
return ERR_CAST(q);
- disk = __alloc_disk_node(0, set->numa_node);
+ disk = __alloc_disk_node(0, set->numa_node, lkclass);
if (!disk) {
blk_cleanup_queue(q);
return ERR_PTR(-ENOMEM);
return devt;
}
-struct gendisk *__alloc_disk_node(int minors, int node_id)
+struct gendisk *__alloc_disk_node(int minors, int node_id,
+ struct lock_class_key *lkclass)
{
struct gendisk *disk;
disk_to_dev(disk)->type = &disk_type;
device_initialize(disk_to_dev(disk));
inc_diskseq(disk);
+ lockdep_init_map(&disk->lockdep_map, "(bio completion)", lkclass, 0);
#ifdef CONFIG_BLOCK_HOLDER_DEPRECATED
INIT_LIST_HEAD(&disk->slave_bdevs);
#endif
}
EXPORT_SYMBOL(__alloc_disk_node);
-struct gendisk *__blk_alloc_disk(int node)
+struct gendisk *__blk_alloc_disk(int node, struct lock_class_key *lkclass)
{
struct request_queue *q;
struct gendisk *disk;
if (!q)
return NULL;
- disk = __alloc_disk_node(0, node);
+ disk = __alloc_disk_node(0, node, lkclass);
if (!disk) {
blk_cleanup_queue(q);
return NULL;
((policy & ((1 << BLK_MQ_F_ALLOC_POLICY_BITS) - 1)) \
<< BLK_MQ_F_ALLOC_POLICY_START_BIT)
+struct gendisk *__blk_mq_alloc_disk(struct blk_mq_tag_set *set, void *queuedata,
+ struct lock_class_key *lkclass);
#define blk_mq_alloc_disk(set, queuedata) \
({ \
static struct lock_class_key __key; \
- struct gendisk *__disk = __blk_mq_alloc_disk(set, queuedata); \
\
- if (!IS_ERR(__disk)) \
- lockdep_init_map(&__disk->lockdep_map, \
- "(bio completion)", &__key, 0); \
- __disk; \
+ __blk_mq_alloc_disk(set, queuedata, &__key); \
})
-struct gendisk *__blk_mq_alloc_disk(struct blk_mq_tag_set *set,
- void *queuedata);
struct request_queue *blk_mq_init_queue(struct blk_mq_tag_set *);
int blk_mq_init_allocated_queue(struct blk_mq_tag_set *set,
struct request_queue *q);
int bdev_disk_changed(struct gendisk *disk, bool invalidate);
void blk_drop_partitions(struct gendisk *disk);
-extern struct gendisk *__alloc_disk_node(int minors, int node_id);
+struct gendisk *__alloc_disk_node(int minors, int node_id,
+ struct lock_class_key *lkclass);
extern void put_disk(struct gendisk *disk);
#define alloc_disk_node(minors, node_id) \
({ \
static struct lock_class_key __key; \
- const char *__name; \
- struct gendisk *__disk; \
\
- __name = "(gendisk_completion)"#minors"("#node_id")"; \
- \
- __disk = __alloc_disk_node(minors, node_id); \
- \
- if (__disk) \
- lockdep_init_map(&__disk->lockdep_map, __name, &__key, 0); \
- \
- __disk; \
+ __alloc_disk_node(minors, node_id, &__key); \
})
#define alloc_disk(minors) alloc_disk_node(minors, NUMA_NO_NODE)
+struct gendisk *__blk_alloc_disk(int node, struct lock_class_key *lkclass);
+
/**
* blk_alloc_disk - allocate a gendisk structure
* @node_id: numa node to allocate on
*/
#define blk_alloc_disk(node_id) \
({ \
- struct gendisk *__disk = __blk_alloc_disk(node_id); \
static struct lock_class_key __key; \
\
- if (__disk) \
- lockdep_init_map(&__disk->lockdep_map, \
- "(bio completion)", &__key, 0); \
- __disk; \
+ __blk_alloc_disk(node_id, &__key); \
})
-struct gendisk *__blk_alloc_disk(int node);
void blk_cleanup_disk(struct gendisk *disk);
int __register_blkdev(unsigned int major, const char *name,