diff options
Diffstat (limited to 'mdadm.h')
| -rw-r--r-- | mdadm.h | 5 |
1 files changed, 4 insertions, 1 deletions
@@ -929,7 +929,10 @@ extern struct superswitch { void (*sync_metadata)(struct supertype *st); void (*process_update)(struct supertype *st, struct metadata_update *update); - void (*prepare_update)(struct supertype *st, + /* Prepare updates allocates extra memory that might be + * needed. If the update cannot be understood, return 0. + */ + int (*prepare_update)(struct supertype *st, struct metadata_update *update); /* activate_spare will check if the array is degraded and, if it |