From mboxrd@z Thu Jan 1 00:00:00 1970 From: Cyrill Gorcunov Subject: Re: [rfc v2 0/7] procfs fdinfo extension v2 Date: Thu, 24 May 2012 22:41:59 +0400 Message-ID: <20120524184159.GA26259@moon> References: <20120523102541.382837149@openvz.org> <20120524180121.GK798@count0.beaverton.ibm.com> <20120524182347.GE23326@moon> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, Andrew Morton , Pavel Emelyanov , James Bottomley , ebiederm@xmission.com, tj@kernel.org, skinsbursky@openvz.org To: Matt Helsley Return-path: Content-Disposition: inline In-Reply-To: <20120524182347.GE23326@moon> Sender: linux-kernel-owner@vger.kernel.org List-Id: linux-fsdevel.vger.kernel.org On Thu, May 24, 2012 at 10:23:47PM +0400, Cyrill Gorcunov wrote: > > > > As best I can tell your reply last time only fleshed out the details > > of *how* you would like it to work, not *why it needs to* work that way: > > > > http://lkml.org/lkml/2011/11/30/27 Matt, as to "why it needs to work that way" -- this approach will simply work well without a need to patch mainline kernel much, since almost everything needed for transparent restore already in kernel except "ptrace with frozen cgroup", (we even restore without frozen cgroup but with a couple of nasty tricks in crtools utility now). But if there some other approach which we've missed, I would really appreciate if you share it. Cyrill