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=-10.2 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=ham 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 E1456C433DB for ; Thu, 21 Jan 2021 07:36:16 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8FD8C238E2 for ; Thu, 21 Jan 2021 07:36:16 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727653AbhAUHgG (ORCPT ); Thu, 21 Jan 2021 02:36:06 -0500 Received: from verein.lst.de ([213.95.11.211]:59219 "EHLO verein.lst.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726716AbhAUHcv (ORCPT ); Thu, 21 Jan 2021 02:32:51 -0500 Received: by verein.lst.de (Postfix, from userid 2407) id 6161A68B05; Thu, 21 Jan 2021 08:32:09 +0100 (CET) Date: Thu, 21 Jan 2021 08:32:09 +0100 From: Christoph Hellwig To: "Matthew Wilcox (Oracle)" Cc: linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, hch@lst.de, kent.overstreet@gmail.com Subject: Re: [PATCH v4 11/18] mm/filemap: Convert filemap_update_page to return an errno Message-ID: <20210121073209.GE23583@lst.de> References: <20210121041616.3955703-1-willy@infradead.org> <20210121041616.3955703-12-willy@infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210121041616.3955703-12-willy@infradead.org> User-Agent: Mutt/1.5.17 (2007-11-01) Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org On Thu, Jan 21, 2021 at 04:16:09AM +0000, Matthew Wilcox (Oracle) wrote: > Use AOP_TRUNCATED_PAGE to indicate that no error occurred, but the > page we looked up is no longer valid. In this case, the reference > to the page will have been removed; if we hit any other error, the > caller will release the reference. Looks good, Reviewed-by: Christoph Hellwig