diff --git a/libc/kernel/uapi/linux/dm-ioctl.h b/libc/kernel/uapi/linux/dm-ioctl.h
index 4c0a9f0..2d1dded 100644
--- a/libc/kernel/uapi/linux/dm-ioctl.h
+++ b/libc/kernel/uapi/linux/dm-ioctl.h
@@ -55,6 +55,8 @@
   __u32 next;
   char name[0];
 };
+#define DM_NAME_LIST_FLAG_HAS_UUID 1
+#define DM_NAME_LIST_FLAG_DOESNT_HAVE_UUID 2
 struct dm_target_versions {
   __u32 next;
   __u32 version[3];
@@ -104,9 +106,9 @@
 #define DM_TARGET_MSG _IOWR(DM_IOCTL, DM_TARGET_MSG_CMD, struct dm_ioctl)
 #define DM_DEV_SET_GEOMETRY _IOWR(DM_IOCTL, DM_DEV_SET_GEOMETRY_CMD, struct dm_ioctl)
 #define DM_VERSION_MAJOR 4
-#define DM_VERSION_MINOR 44
+#define DM_VERSION_MINOR 45
 #define DM_VERSION_PATCHLEVEL 0
-#define DM_VERSION_EXTRA "-ioctl(2021-02-01)"
+#define DM_VERSION_EXTRA "-ioctl(2021-03-22)"
 #define DM_READONLY_FLAG (1 << 0)
 #define DM_SUSPEND_FLAG (1 << 1)
 #define DM_PERSISTENT_DEV_FLAG (1 << 3)