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-rw-r--r--block/qed.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/block/qed.c b/block/qed.c
index 085c4f2210..a46f9ef419 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);