drivers/md/dm-exception-store.h

6  * Device-mapper snapshot exception store.
47 	int (*ctr)(struct dm_exception_store *store, char *options);
52 	void (*dtr)(struct dm_exception_store *store);
59 	int (*read_metadata)(struct dm_exception_store *store,
65 	 * Find somewhere to store the next exception.
67 	int (*prepare_exception)(struct dm_exception_store *store,
73 	void (*commit_exception)(struct dm_exception_store *store,
79 	 * Returns 0 if the exception store is empty.
86 	int (*prepare_merge)(struct dm_exception_store *store,
93 	int (*commit_merge)(struct dm_exception_store *store, int nr_merged);
98 	void (*drop_snapshot)(struct dm_exception_store *store);
100 	unsigned int (*status)(struct dm_exception_store *store,
107 	void (*usage)(struct dm_exception_store *store,
175 static inline chunk_t sector_to_chunk(struct dm_exception_store *store,  in sector_to_chunk()  argument
178 	return sector >> store->chunk_shift;  in sector_to_chunk()
184 int dm_exception_store_set_chunk_size(struct dm_exception_store *store,
191 			      struct dm_exception_store **store);
192 void dm_exception_store_destroy(struct dm_exception_store *store);
198  * Two exception store implementations.