4 #include <uapi/linux/pr.h>
7 int (*pr_register)(struct block_device *bdev, u64 old_key, u64 new_key,
9 int (*pr_reserve)(struct block_device *bdev, u64 key,
10 enum pr_type type, u32 flags);
11 int (*pr_release)(struct block_device *bdev, u64 key,
13 int (*pr_preempt)(struct block_device *bdev, u64 old_key, u64 new_key,
14 enum pr_type type, bool abort);
15 int (*pr_clear)(struct block_device *bdev, u64 key);
18 #endif /* LINUX_PR_H */