diff options
Diffstat (limited to 'block/mirror.c')
| -rw-r--r-- | block/mirror.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/block/mirror.c b/block/mirror.c index 29c45453c9..898f8ce8a1 100644 --- a/block/mirror.c +++ b/block/mirror.c @@ -718,6 +718,10 @@ void mirror_start(BlockDriverState *bs, BlockDriverState *target, bool is_none_mode; BlockDriverState *base; + if (mode == MIRROR_SYNC_MODE_DIRTY_BITMAP) { + error_setg(errp, "Sync mode 'dirty-bitmap' not supported"); + return; + } is_none_mode = mode == MIRROR_SYNC_MODE_NONE; base = mode == MIRROR_SYNC_MODE_TOP ? bs->backing_hd : NULL; mirror_start_job(bs, target, replaces, |