dm snapshot: add allocated metadata to snapshot status

[net-next-2.6.git] / drivers / md / dm-exception-store.h

diff --git a/drivers/md/dm-exception-store.h b/drivers/md/dm-exception-store.h
index 92749696e35998d95102fc72a778fd285cddf5be..366c8b1fca37444783f2d82e2a476d8a6db1c7ab 100644 (file)
--- a/drivers/md/dm-exception-store.h
+++ b/drivers/md/dm-exception-store.h
@@ -86,9 +86,9 @@ struct dm_exception_store_type {
        /*
         * Return how full the snapshot is.
         */
-       void (*fraction_full) (struct dm_exception_store *store,
-                              sector_t *numerator,
-                              sector_t *denominator);
+       void (*usage) (struct dm_exception_store *store,
+                      sector_t *total_sectors, sector_t *sectors_allocated,
+                      sector_t *metadata_sectors);
 
        /* For internal device-mapper use only. */
        struct list_head list;