From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-qg0-f54.google.com ([209.85.192.54]:34721 "EHLO mail-qg0-f54.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750948AbcEaK5L (ORCPT ); Tue, 31 May 2016 06:57:11 -0400 Received: by mail-qg0-f54.google.com with SMTP id p34so19267554qgp.1 for ; Tue, 31 May 2016 03:57:11 -0700 (PDT) MIME-Version: 1.0 In-Reply-To: References: Date: Tue, 31 May 2016 12:57:10 +0200 Message-ID: Subject: Re: [fuse-devel] Changes in 4.7. From: Stef Bon To: "linux-fsdevel@vger.kernel.org" Cc: "fuse-devel@lists.sourceforge.net" Content-Type: text/plain; charset=UTF-8 Sender: linux-fsdevel-owner@vger.kernel.org List-ID: 2016-05-31 9:17 GMT+02:00 Miklos Szeredi : > On Tue, May 31, 2016 at 9:08 AM, Stef Bon wrote: >> Hi, >> > > The problem would be if the fuse filesystem assumed serialized > lookup/readdir and they don't do any locking themselves. > Yes of course. > We probably need to conditionally re-add the lookup/readdir > serialization to the fuse kernel module, with an INIT flag to > explicitly enable parallel readdir and lookup (i.e. disable the > serialization). Yes, via a init flag, where serialization will be the default to provide backwards compatibility. You say "re-add". Has this been in the kernel module before? Stef