diff options
Diffstat (limited to 'libstore')
| -rw-r--r-- | libstore/store.h | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/libstore/store.h b/libstore/store.h index 8e0dd524..6fd037a9 100644 --- a/libstore/store.h +++ b/libstore/store.h @@ -443,6 +443,16 @@ error_t store_gunzip_create (struct store *from, int flags, error_t store_gunzip_open (const char *name, int flags, const struct store_class *const *classes, struct store **store); + +/* Return a new store in STORE that multiplexes multiple physical volumes + from PHYS as one larger virtual volume. SWAP_VOLS is a function that will + be called whenever the volume currently active isn't correct. PHYS is + consumed. */ +error_t store_mvol_create (struct store *phys, + error_t (*swap_vols) (struct store *store, size_t new_vol, + ssize_t old_vol), + int flags, + struct store **store); /* Standard store classes implemented by libstore. */ extern const struct store_class *const store_std_classes[]; @@ -458,6 +468,15 @@ extern const struct store_class store_query_class; extern const struct store_class store_copy_class; extern const struct store_class store_gunzip_class; extern const struct store_class store_typed_open_class; + +/* The following are not included in STORE_STD_CLASSES. */ +extern const struct store_class store_mvol_class; + +/* Concatenates the store class vectors in CV1 and CV2, and returns a new + (malloced) vector in CONCAT. */ +error_t store_concat_class_vectors (struct store_class **cv1, + struct store_class **cv2, + struct store_class ***concat); /* Used to hold the various bits that make up the representation of a store for transmission via rpc. See <hurd/hurd_types.h> for an explanation of |