diff options
Diffstat (limited to 'include/block/export.h')
| -rw-r--r-- | include/block/export.h | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/include/block/export.h b/include/block/export.h index e6f96f4e1e..cf9b1c9dad 100644 --- a/include/block/export.h +++ b/include/block/export.h @@ -22,8 +22,14 @@ typedef struct BlockExportDriver { /* The export type that this driver services */ BlockExportType type; + /* + * The size of the driver-specific state that contains BlockExport as its + * first field. + */ + size_t instance_size; + /* Creates and starts a new block export */ - BlockExport *(*create)(BlockExportOptions *, Error **); + int (*create)(BlockExport *, BlockExportOptions *, Error **); /* * Frees a removed block export. This function is only called after all |