volume_id: support sub-uuid's and plug in btrfs device uuid

[elogind.git] / extras / volume_id / lib / libvolume_id.h

diff --git a/extras/volume_id/lib/libvolume_id.h b/extras/volume_id/lib/libvolume_id.h
index e830504697dac7176b26d414dfa312df05f9eec3..24c9c4e7eb806c30a14cf513531f7b2207ebb6a3 100644 (file)
--- a/extras/volume_id/lib/libvolume_id.h
+++ b/extras/volume_id/lib/libvolume_id.h
@@ -45,6 +45,7 @@ extern void volume_id_all_probers(all_probers_fn_t all_probers_fn,
 extern int volume_id_get_label(struct volume_id *id, const char **label);
 extern int volume_id_get_label_raw(struct volume_id *id, const uint8_t **label, size_t *len);
 extern int volume_id_get_uuid(struct volume_id *id, const char **uuid);
+extern int volume_id_get_uuid_sub(struct volume_id *id, const char **uuid);
 extern int volume_id_get_uuid_raw(struct volume_id *id, const uint8_t **uuid, size_t *len);
 extern int volume_id_get_usage(struct volume_id *id, const char **usage);
 extern int volume_id_get_type(struct volume_id *id, const char **type);