Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753168AbdF2MvU (ORCPT ); Thu, 29 Jun 2017 08:51:20 -0400 Received: from mail.linuxfoundation.org ([140.211.169.12]:41260 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752904AbdF2MvP (ORCPT ); Thu, 29 Jun 2017 08:51:15 -0400 Date: Thu, 29 Jun 2017 14:50:58 +0200 From: Greg KH To: Shaohua Li Cc: linux-kernel@vger.kernel.org, linux-block@vger.kernel.org, tj@kernel.org, hch@lst.de, axboe@fb.com, rostedt@goodmis.org, lizefan@huawei.com, Kernel-team@fb.com, Shaohua Li Subject: Re: [PATCH V4 06/12] kernfs: add exportfs operations Message-ID: <20170629125058.GC26046@kroah.com> References: <794fb2699d1b3cb85ff7746da20cb9890d42adea.1498666964.git.shli@fb.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <794fb2699d1b3cb85ff7746da20cb9890d42adea.1498666964.git.shli@fb.com> User-Agent: Mutt/1.8.3 (2017-05-23) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 499 Lines: 12 On Wed, Jun 28, 2017 at 09:29:56AM -0700, Shaohua Li wrote: > From: Shaohua Li > > Now we have the facilities to implement exportfs operations. The idea is > cgroup can export the fhandle info to userspace, then userspace uses > fhandle to find the cgroup name. Another example is userspace can get > fhandle for a cgroup and BPF uses the fhandle to filter info for the > cgroup. > > Signed-off-by: Shaohua Li Acked-by: Greg Kroah-Hartman