Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752070AbdFPPuE (ORCPT ); Fri, 16 Jun 2017 11:50:04 -0400 Received: from bombadil.infradead.org ([65.50.211.133]:38038 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751882AbdFPPuC (ORCPT ); Fri, 16 Jun 2017 11:50:02 -0400 Date: Fri, 16 Jun 2017 08:49:59 -0700 From: Christoph Hellwig To: David Howells Cc: Christoph Hellwig , Al Viro , mszeredi@redhat.com, linux-nfs@vger.kernel.org, jlayton@redhat.com, linux-kernel@vger.kernel.org, linux-security-module@vger.kernel.org, linux-fsdevel@vger.kernel.org Subject: Re: [PATCH 07/27] VFS: Differentiate mount flags (MS_*) from internal superblock flags [ver #5] Message-ID: <20170616154959.GA27209@infradead.org> References: <20170616090621.GA13775@infradead.org> <149745330648.10897.9605870130502083184.stgit@warthog.procyon.org.uk> <149745338248.10897.17175227466711674034.stgit@warthog.procyon.org.uk> <20170615093927.GG31671@ZenIV.linux.org.uk> <9141.1497624810@warthog.procyon.org.uk> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <9141.1497624810@warthog.procyon.org.uk> User-Agent: Mutt/1.8.0 (2017-02-23) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 389 Lines: 10 On Fri, Jun 16, 2017 at 03:53:30PM +0100, David Howells wrote: > Christoph Hellwig wrote: > > > It might be good to just introduce the internal flags field first, > > Internal flags field? Did you mean Al's suggested sb_readonly() wrapper? (1) Add a new SB field that is like s_flags but for the new flags, (2) switch users over to the new field (3) remove s_flags