blkdebug: Don't confuse image as backing file
The word "backing file" nowadays refers to the backing_hd in the
external snapshot sense (i.e. bs->backing_hd), instead of the file sense
(bs->file). Correct the comment to use the right term.
Signed-off-by: Fam Zheng <famz@redhat.com>
Reviewed-by: Alberto Garcia <berto@igalia.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
diff --git a/block/blkdebug.c b/block/blkdebug.c
index c1cb3cb..6860a2b 100644
--- a/block/blkdebug.c
+++ b/block/blkdebug.c
@@ -426,7 +426,7 @@
/* Set initial state */
s->state = 1;
- /* Open the backing file */
+ /* Open the image file */
bs->file = bdrv_open_child(qemu_opt_get(opts, "x-image"), options, "image",
bs, &child_file, false, &local_err);
if (local_err) {
