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=-6.8 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,USER_AGENT_GIT 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 7A1C0C433F1 for ; Tue, 21 Jul 2020 18:32:22 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 59F04207BB for ; Tue, 21 Jul 2020 18:32:22 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="XFvfug7U" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730257AbgGUScT (ORCPT ); Tue, 21 Jul 2020 14:32:19 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35776 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728750AbgGUScI (ORCPT ); Tue, 21 Jul 2020 14:32:08 -0400 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3C2E4C0619DA; Tue, 21 Jul 2020 11:32:07 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=Content-Transfer-Encoding:MIME-Version: Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To:Content-Type:Content-ID: Content-Description:In-Reply-To:References; bh=wjd9uUGiHUCjYx9puh8uha+RMiUWI8gxjnv7qGgpe28=; b=XFvfug7UE/CC5zFqkvgqCe0216 VvJ8zyvmyUwmgvzrTDBTvgLWqwuItZpxjQrwu1dw89/Lhp2LFsFPUw8mSEaHzi5Ting9+66nRduHY kUR5iTNCr2Xje7OeEEegthbUmUjOTYsotgH0cJE+Ch403ZJ8ExcMyXkQ1Zz8SKczui6VCx2BS/Rsn 2KbRwK9u7lgylkeIOqh3MN4jBVlIe6HmjVHYbRZkpEYaLn5u7hEYWZSBaB+yeYoiQBzcwAGYOJL5O rnGEnz4UdMYvFVCPD2PwuD5xvhvTyuTE4L08KY4dtfh/lVVybeLeYoEeLhwrK8uxiHA3jUjfL4vX/ cKcImh3Q==; Received: from [2001:4bb8:18c:2acc:5b1c:6483:bd6d:e406] (helo=localhost) by casper.infradead.org with esmtpsa (Exim 4.92.3 #3 (Red Hat Linux)) id 1jxx3X-00062K-3m; Tue, 21 Jul 2020 18:31:59 +0000 From: Christoph Hellwig To: Dave Chinner , Goldwyn Rodrigues Cc: Damien Le Moal , Naohiro Aota , Johannes Thumshirn , Matthew Wilcox , linux-btrfs@vger.kernel.org, linux-fsdevel@vger.kernel.org, cluster-devel@redhat.com, linux-ext4@vger.kernel.org, linux-xfs@vger.kernel.org Subject: iomap write invalidation v2 Date: Tue, 21 Jul 2020 20:31:54 +0200 Message-Id: <20200721183157.202276-1-hch@lst.de> X-Mailer: git-send-email 2.27.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-SRS-Rewrite: SMTP reverse-path rewritten from by casper.infradead.org. See http://www.infradead.org/rpr.html Sender: linux-ext4-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-ext4@vger.kernel.org Changes since v1: - use -ENOTBLK for the direct to buffered I/O fallback everywhere - document the choice of -ENOTBLK better - update a comment in XFS