diff options
Diffstat (limited to 'block/copy-before-write.c')
| -rw-r--r-- | block/copy-before-write.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/block/copy-before-write.c b/block/copy-before-write.c index 1cefcade78..2efe098aae 100644 --- a/block/copy-before-write.c +++ b/block/copy-before-write.c @@ -147,6 +147,7 @@ static void cbw_child_perm(BlockDriverState *bs, BdrvChild *c, static int cbw_init(BlockDriverState *bs, QDict *options, Error **errp) { BDRVCopyBeforeWriteState *s = bs->opaque; + BdrvDirtyBitmap *copy_bitmap; bs->file = bdrv_open_child(NULL, options, "file", bs, &child_of_bds, BDRV_CHILD_FILTERED | BDRV_CHILD_PRIMARY, @@ -174,6 +175,9 @@ static int cbw_init(BlockDriverState *bs, QDict *options, Error **errp) return -EINVAL; } + copy_bitmap = block_copy_dirty_bitmap(s->bcs); + bdrv_set_dirty_bitmap(copy_bitmap, 0, bdrv_dirty_bitmap_size(copy_bitmap)); + return 0; } |