diff options
| -rw-r--r-- | block/qed.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/block/qed.c b/block/qed.c index 085c4f2..a46f9ef 100644 --- a/block/qed.c +++ b/block/qed.c @@ -469,6 +469,12 @@ static int qed_create(const char *filename, uint32_t cluster_size, return ret; } + /* File must start empty and grow, check truncate is supported */ + ret = bdrv_truncate(bs, 0); + if (ret < 0) { + goto out; + } + if (backing_file) { header.features |= QED_F_BACKING_FILE; header.backing_filename_offset = sizeof(le_header); |