diff options
Diffstat (limited to 'drivers/md/dm-exception-store.h')
| -rw-r--r-- | drivers/md/dm-exception-store.h | 19 |
1 files changed, 14 insertions, 5 deletions
diff --git a/drivers/md/dm-exception-store.h b/drivers/md/dm-exception-store.h index aed1f1172f9..31377150080 100644 --- a/drivers/md/dm-exception-store.h +++ b/drivers/md/dm-exception-store.h @@ -39,6 +39,9 @@ struct dm_snap_exception { */ struct dm_exception_store; struct dm_exception_store_type { + const char *name; + struct module *module; + int (*ctr) (struct dm_exception_store *store, unsigned argc, char **argv); @@ -85,10 +88,13 @@ struct dm_exception_store_type { void (*fraction_full) (struct dm_exception_store *store, sector_t *numerator, sector_t *denominator); + + /* For internal device-mapper use only. */ + struct list_head list; }; struct dm_exception_store { - struct dm_exception_store_type type; + struct dm_exception_store_type *type; struct dm_snapshot *snap; @@ -138,6 +144,13 @@ static inline void dm_consecutive_chunk_count_inc(struct dm_snap_exception *e) # endif +int dm_exception_store_type_register(struct dm_exception_store_type *type); +int dm_exception_store_type_unregister(struct dm_exception_store_type *type); + +int dm_exception_store_create(const char *type_name, + struct dm_exception_store **store); +void dm_exception_store_destroy(struct dm_exception_store *store); + int dm_exception_store_init(void); void dm_exception_store_exit(void); @@ -150,8 +163,4 @@ void dm_persistent_snapshot_exit(void); int dm_transient_snapshot_init(void); void dm_transient_snapshot_exit(void); -int dm_create_persistent(struct dm_exception_store *store); - -int dm_create_transient(struct dm_exception_store *store); - #endif /* _LINUX_DM_EXCEPTION_STORE */ |