X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=extras%2Fvolume_id%2Flib%2Fbtrfs.c;h=5ef979f2f07f9c01a55741c65fbf9c721db016d9;hp=09b03a68dc4d57e25fecc24c79c65caf3b2b4b17;hb=14e18278;hpb=07d9b845c665f9f0288585aed7c913b7f323df99

diff --git a/extras/volume_id/lib/btrfs.c b/extras/volume_id/lib/btrfs.c
index 09b03a68d..5ef979f2f 100644
--- a/extras/volume_id/lib/btrfs.c
+++ b/extras/volume_id/lib/btrfs.c
@@ -93,6 +93,7 @@ int volume_id_probe_btrfs(struct volume_id *id, uint64_t off, uint64_t size)
 	if (memcmp(bfs->magic, "_BHRfS_M", 8) != 0)
 		return -1;
 	volume_id_set_uuid(id, bfs->fsid, 0, UUID_DCE);
+	volume_id_set_uuid_sub(id, bfs->dev_item.uuid, 0, UUID_DCE);
 	volume_id_set_label_raw(id, bfs->label, 256);
 	volume_id_set_label_string(id, bfs->label, 256);
 	volume_id_set_usage(id, VOLUME_ID_FILESYSTEM);