diff options
| -rw-r--r-- | block/parallels.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/block/parallels.c b/block/parallels.c index 6bf93753e8..4173b3fb9d 100644 --- a/block/parallels.c +++ b/block/parallels.c @@ -687,7 +687,8 @@ static int parallels_open(BlockDriverState *bs, QDict *options, int flags, if (local_err != NULL) { goto fail_options; } - if (!bdrv_has_zero_init(bs->file->bs) || + + if (!(flags & BDRV_O_RESIZE) || !bdrv_has_zero_init(bs->file->bs) || bdrv_truncate(bs->file, bdrv_getlength(bs->file->bs)) != 0) { s->prealloc_mode = PRL_PREALLOC_MODE_FALLOCATE; } |