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 <mre...@redhat.com> Reviewed-by: Eric Blake <ebl...@redhat.com> Reviewed-by: Alberto Garcia <be...@igalia.com> --- block.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/block.c b/block.c index 3b72363489..feabe46061 100644 --- a/block.c +++ b/block.c @@ -5187,6 +5187,20 @@ void bdrv_refresh_filename(BlockDriverState *bs) 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 */ -- 2.17.1