diff --git a/lib/libdevmapper.c b/lib/libdevmapper.c
index a249033d..e92ceda7 100644
--- a/lib/libdevmapper.c
+++ b/lib/libdevmapper.c
@@ -383,6 +383,16 @@ char *dm_device_path(const char *prefix, int major, int minor)
 	return strdup(path);
 }
 
+char *dm_device_name(const char *path)
+{
+	struct stat st;
+
+	if (stat(path, &st) < 0 || !S_ISBLK(st.st_mode))
+		return NULL;
+
+	return dm_device_path(NULL, major(st.st_rdev), minor(st.st_rdev));
+}
+
 static void hex_key(char *hexkey, size_t key_size, const char *key)
 {
 	unsigned i;
diff --git a/lib/utils_dm.h b/lib/utils_dm.h
index 0ebbe160..4a1e1d31 100644
--- a/lib/utils_dm.h
+++ b/lib/utils_dm.h
@@ -213,5 +213,6 @@ int lookup_dm_dev_by_uuid(struct crypt_device *cd, const char *uuid, const char
 int dm_is_dm_device(int major);
 int dm_is_dm_kernel_name(const char *name);
 char *dm_device_path(const char *prefix, int major, int minor);
+char *dm_device_name(const char *path);
 
 #endif /* _UTILS_DM_H */