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=-11.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT 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 14F4AC433E0 for ; Wed, 20 Jan 2021 20:54:11 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D23D823600 for ; Wed, 20 Jan 2021 20:54:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732814AbhATUut (ORCPT ); Wed, 20 Jan 2021 15:50:49 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50256 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726970AbhATUuG (ORCPT ); Wed, 20 Jan 2021 15:50:06 -0500 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 17471C061575 for ; Wed, 20 Jan 2021 12:49:24 -0800 (PST) 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=/shl85XqhoyjZfHGYTKFnCVqIWL+Zr7I2QCEAukUCJU=; b=CTq71W3NU9K2Sdk91yce1P9h4Z xZSa1wavHOKoh7ovVUiol7h6ZYxMyGLaARelNyC3i1XJxO6nDnPdG+nJX825HDAVi+ekLXNzf8Hff nEA80YfkN9LMEuD+wd/mG8GxIu759GXSA+W+OTtLrx7hUfw6dAZTM0/edZ5vPRKBuC2PtPVTka1lC XSoCM4YDTYpUfxZS1L4g0l51MuxzcPRKpgkJPIAhP16KmhScBOsGdJxwB35f0MljZf+soXg6+rNVf q01w05dUGldz6wSzmNInmQOAQTECKgBKDdtHeiwo1F2C7CtSE2ZCuuEV1ClByruAXRheQlahBjOfk DB+tQDlA==; Received: from [2001:4bb8:188:1954:aa9e:1db6:1a5a:7fd3] (helo=localhost) by casper.infradead.org with esmtpsa (Exim 4.94 #2 (Red Hat Linux)) id 1l2KN7-00GCJV-FA; Wed, 20 Jan 2021 20:47:23 +0000 From: Christoph Hellwig To: Greg Kroah-Hartman , Tejun Heo Cc: Siddharth Gupta , linux-kernel@vger.kernel.org Subject: restore splice and sendfile support on kernfs Date: Wed, 20 Jan 2021 21:46:28 +0100 Message-Id: <20210120204631.274206-1-hch@lst.de> X-Mailer: git-send-email 2.29.2 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 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Greg and Tejun, this fixes a regression in Linux 5.10 that stopped sendfile and splice from working on kernfs/sysfs files. Diffstt: file.c | 65 ++++++++++++++++++++++++----------------------------------------- 1 file changed, 24 insertions(+), 41 deletions(-)