Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S941987AbcJEXtc (ORCPT ); Wed, 5 Oct 2016 19:49:32 -0400 Received: from zeniv.linux.org.uk ([195.92.253.2]:45256 "EHLO ZenIV.linux.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932190AbcJEXtb (ORCPT ); Wed, 5 Oct 2016 19:49:31 -0400 Date: Thu, 6 Oct 2016 00:49:28 +0100 From: Al Viro To: Miklos Szeredi Cc: linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-unionfs@vger.kernel.org Subject: Re: [GIT PULL] overlayfs update for 4.9 Message-ID: <20161005234928.GJ19539@ZenIV.linux.org.uk> References: <20161005195210.GC31239@veci.piliscsaba.szeredi.hu> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20161005195210.GC31239@veci.piliscsaba.szeredi.hu> User-Agent: Mutt/1.7.0 (2016-08-17) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 637 Lines: 18 On Wed, Oct 05, 2016 at 09:52:10PM +0200, Miklos Szeredi wrote: > Hi Al, > > Please pull from: > > git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs.git overlayfs-viro > > This has an assortment of fixes and cleanups for overlayfs. > > It also touches the VFS: > > - add the vfs_get_link() helper for calling i_op->get_link(); > - fix mnt_want_write_file() to freeze protect the underlying sb instead of > overlay sb; > - allow vfs_clone_file_range() to be called by overlayfs. Could you explain why e.g. fsetxattr() needs a different treatment in "vfs: mnt_want_write_file() should freeze protect underlying sb"?