diff --git a/libc/kernel/uapi/linux/nbd.h b/libc/kernel/uapi/linux/nbd.h
index d47c28f..110220f 100644
--- a/libc/kernel/uapi/linux/nbd.h
+++ b/libc/kernel/uapi/linux/nbd.h
@@ -23,15 +23,19 @@
   NBD_CMD_WRITE = 1,
   NBD_CMD_DISC = 2,
   NBD_CMD_FLUSH = 3,
-  NBD_CMD_TRIM = 4
+  NBD_CMD_TRIM = 4,
+  NBD_CMD_WRITE_ZEROES = 6,
 };
 #define NBD_FLAG_HAS_FLAGS (1 << 0)
 #define NBD_FLAG_READ_ONLY (1 << 1)
 #define NBD_FLAG_SEND_FLUSH (1 << 2)
 #define NBD_FLAG_SEND_FUA (1 << 3)
+#define NBD_FLAG_ROTATIONAL (1 << 4)
 #define NBD_FLAG_SEND_TRIM (1 << 5)
+#define NBD_FLAG_SEND_WRITE_ZEROES (1 << 6)
 #define NBD_FLAG_CAN_MULTI_CONN (1 << 8)
 #define NBD_CMD_FLAG_FUA (1 << 16)
+#define NBD_CMD_FLAG_NO_HOLE (1 << 17)
 #define NBD_CFLAG_DESTROY_ON_DISCONNECT (1 << 0)
 #define NBD_CFLAG_DISCONNECT_ON_CLOSE (1 << 1)
 #define NBD_REQUEST_MAGIC 0x25609513