From mboxrd@z Thu Jan  1 00:00:00 1970
From: majianpeng <majianpeng@gmail.com>
Subject: Re: Re: [PATCH][TRIVIAL] ceph: Free the previous caps if alloc failed.
Date: Wed, 26 Jun 2013 08:29:54 +0800
Message-ID: <201306260829496656833@gmail.com>
References: <201306251527405618532@gmail.com>,
	<alpine.DEB.2.00.1306250825470.2998@cobra.newdream.net>
Reply-To: majianpeng <majianpeng@gmail.com>
Mime-Version: 1.0
Content-Type: text/plain;
	charset="gb2312"
Content-Transfer-Encoding: base64
Return-path: <ceph-devel-owner@vger.kernel.org>
Received: from mail-pa0-f41.google.com ([209.85.220.41]:54113 "EHLO
	mail-pa0-f41.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org
	with ESMTP id S1751590Ab3FZA3z (ORCPT
	<rfc822;ceph-devel@vger.kernel.org>); Tue, 25 Jun 2013 20:29:55 -0400
Received: by mail-pa0-f41.google.com with SMTP id bj3so13508180pad.28
        for <ceph-devel@vger.kernel.org>; Tue, 25 Jun 2013 17:29:55 -0700 (PDT)
Sender: ceph-devel-owner@vger.kernel.org
List-ID: <ceph-devel.vger.kernel.org>
To: sage <sage@inktank.com>
Cc: ceph-devel <ceph-devel@vger.kernel.org>
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==