block: Skip implicit nodes for filename info
bdrv_refresh_filename() should simply skip all implicit nodes. They are
supposed to be invisible to the user, so they should not appear in
filename information.
Signed-off-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Alberto Garcia <berto@igalia.com>
Message-id: 20190201192935.18394-4-mreitz@redhat.com
Signed-off-by: Max Reitz <mreitz@redhat.com>
diff --git a/block.c b/block.c
index d97f5e7..31e4664 100644
--- a/block.c
+++ b/block.c
@@ -5549,6 +5549,20 @@
bdrv_refresh_filename(child->bs);
}
+ if (bs->implicit) {
+ /* For implicit nodes, just copy everything from the single child */
+ child = QLIST_FIRST(&bs->children);
+ assert(QLIST_NEXT(child, next) == NULL);
+
+ pstrcpy(bs->exact_filename, sizeof(bs->exact_filename),
+ child->bs->exact_filename);
+ pstrcpy(bs->filename, sizeof(bs->filename), child->bs->filename);
+
+ bs->full_open_options = qobject_ref(child->bs->full_open_options);
+
+ return;
+ }
+
if (drv->bdrv_refresh_filename) {
/* Obsolete information is of no use here, so drop the old file name
* information before refreshing it */