===================================================================
RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/ssh/PROTOCOL,v
retrieving revision 1.20
retrieving revision 1.21
diff -u -r1.20 -r1.21
--- src/usr.bin/ssh/PROTOCOL	2013/01/08 18:49:04	1.20
+++ src/usr.bin/ssh/PROTOCOL	2013/10/17 00:30:13	1.21
@@ -331,4 +331,18 @@
 This extension is advertised in the SSH_FXP_VERSION hello with version
 "1".
 
-$OpenBSD: PROTOCOL,v 1.20 2013/01/08 18:49:04 markus Exp $
+10. sftp: Extension request "fsync@openssh.com"
+
+This request asks the server to call fsync(2) on an open file handle.
+
+	uint32		id
+	string		"fsync@openssh.com"
+	string		handle
+
+One receiving this request, a server will call fsync(handle_fd) and will
+respond with a SSH_FXP_STATUS message.
+
+This extension is advertised in the SSH_FXP_VERSION hello with version
+"1".
+
+$OpenBSD: PROTOCOL,v 1.21 2013/10/17 00:30:13 djm Exp $