From 04a419f908b5291ff7e8ffd7aa351fa0ac0c08af Mon Sep 17 00:00:00 2001
From: Sage Weil <sage@newdream.net>
Date: Wed, 23 Dec 2009 09:30:21 -0800
Subject: [PATCH] ceph: add feature bits to connection handshake (protocol
 change)

Define supported and required feature set.  Fail connection if the server
requires features we do not support (TAG_FEATURES), or if the server does
not support features we require.

Signed-off-by: Sage Weil <sage@newdream.net>
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