From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-3.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4CD9DC4338F for ; Wed, 18 Aug 2021 14:26:27 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 36CDB60EFF for ; Wed, 18 Aug 2021 14:26:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238906AbhHRO1A (ORCPT ); Wed, 18 Aug 2021 10:27:00 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49690 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231303AbhHRO07 (ORCPT ); Wed, 18 Aug 2021 10:26:59 -0400 X-Greylist: delayed 146100 seconds by postgrey-1.37 at lindbergh.monkeyblade.net; Wed, 18 Aug 2021 07:26:24 PDT Received: from zeniv-ca.linux.org.uk (zeniv-ca.linux.org.uk [IPv6:2607:5300:60:148a::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D6E99C061764 for ; Wed, 18 Aug 2021 07:26:24 -0700 (PDT) Received: from viro by zeniv-ca.linux.org.uk with local (Exim 4.94.2 #2 (Red Hat Linux)) id 1mGMWH-00DlOr-Vq; Wed, 18 Aug 2021 14:26:18 +0000 Date: Wed, 18 Aug 2021 14:26:17 +0000 From: Al Viro To: Miklos Szeredi Cc: Linus Torvalds , linux-unionfs@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, Andreas Gruenbacher Subject: Re: [PATCH v2 0/2] allow overlayfs to do RCU lookups Message-ID: References: <20210818133400.830078-1-mszeredi@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210818133400.830078-1-mszeredi@redhat.com> Sender: Al Viro Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Aug 18, 2021 at 03:33:58PM +0200, Miklos Szeredi wrote: > I'd really like to fix this in some form, but not getting any response > [1][2][3]. > > Al, Linus, can you please comment? > > I'm happy to take this through the overlayfs tree, just need an ACK for the > VFS API change. Looks reasonable enough; I'm not too happy about yet another place LOOKUP_... details get tangled into, though. Do we want it to be more than just a bool rcu?