Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758965AbbLBRCp (ORCPT ); Wed, 2 Dec 2015 12:02:45 -0500 Received: from h2.hallyn.com ([78.46.35.8]:52196 "EHLO h2.hallyn.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752606AbbLBRCl (ORCPT ); Wed, 2 Dec 2015 12:02:41 -0500 Date: Wed, 2 Dec 2015 11:02:39 -0600 From: "Serge E. Hallyn" To: Tejun Heo Cc: "Serge E. Hallyn" , serge@hallyn.com, linux-kernel@vger.kernel.org, adityakali@google.com, linux-api@vger.kernel.org, containers@lists.linux-foundation.org, cgroups@vger.kernel.org, lxc-devel@lists.linuxcontainers.org, akpm@linux-foundation.org, ebiederm@xmission.com Subject: Re: [PATCH 7/8] cgroup: mount cgroupns-root when inside non-init cgroupns Message-ID: <20151202170239.GA21009@mail.hallyn.com> References: <1447703505-29672-8-git-send-email-serge@hallyn.com> <20151124171610.GS17033@mtj.duckdns.org> <20151127051745.GA24521@mail.hallyn.com> <20151130150938.GF3535@mtj.duckdns.org> <20151201040704.GA31067@mail.hallyn.com> <20151201164649.GD12922@mtj.duckdns.org> <20151201215853.GA9153@mail.hallyn.com> <20151202165312.GB19878@mtj.duckdns.org> <20151202165637.GA20840@mail.hallyn.com> <20151202165839.GD19878@mtj.duckdns.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20151202165839.GD19878@mtj.duckdns.org> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 784 Lines: 19 On Wed, Dec 02, 2015 at 11:58:39AM -0500, Tejun Heo wrote: > On Wed, Dec 02, 2015 at 10:56:37AM -0600, Serge E. Hallyn wrote: > > Can it be flushed when we know that the cgroup is being pinned by > > a css_set? (There's either a task or a cgroup_namespace pinning it > > or we wouldn't get here) > > Yeap, it can be flushed. There's no ref coming out of cgroup to the > vfs objects. Ok, thanks. Still seems to me to be more work to actually walk the path ourselves, but I'll go that route and see what it looks like :) thanks -serge -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/