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=-3.5 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED 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 07A3DC3F2D7 for ; Wed, 4 Mar 2020 12:16:03 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id A715D20848 for ; Wed, 4 Mar 2020 12:16:02 +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="lAgXXPlC" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A715D20848 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 1450F6B0003; Wed, 4 Mar 2020 07:16:02 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 0F5276B0005; Wed, 4 Mar 2020 07:16:02 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 030886B0006; Wed, 4 Mar 2020 07:16:01 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0066.hostedemail.com [216.40.44.66]) by kanga.kvack.org (Postfix) with ESMTP id D25DB6B0003 for ; Wed, 4 Mar 2020 07:16:01 -0500 (EST) Received: from smtpin12.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay02.hostedemail.com (Postfix) with ESMTP id 51E5A18559 for ; Wed, 4 Mar 2020 12:16:01 +0000 (UTC) X-FDA: 76557576522.12.prose99_1771cb300e54d X-HE-Tag: prose99_1771cb300e54d X-Filterd-Recvd-Size: 1974 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) by imf16.hostedemail.com (Postfix) with ESMTP for ; Wed, 4 Mar 2020 12:16:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20170209; h=In-Reply-To:Content-Type:MIME-Version :References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=9BC75AUsCEMb6NVpGmioIBgwHtqsLwEozGF2RRogEWY=; b=lAgXXPlCT1UfHNmS1L3Zc3HKTX w6X50fEZCH+5nViGjJfLIcc8vBvtW8Ay4kmibSfTln0Dmcu7okVj7jYwr4BCSUoclctVejRR1GMuX BKC7YmX235NhVQtGHHDzVflLM4E6rAosnmMiKHjwAQOxnOxO3o9TrAVJWv4f1mObwzUVkRwPgeja2 0HcP28vimTXKJmHXi1gML+uvTCkxcrRAFq7j3Ho60+HTIWuquHNdcU3oXRqFM1VimthsyY4L3SIPY Af1LPmFajJ0V73g20CxNx2njQ5RsdS3sHvW9qD2gS6F0Wsp3cy3LHfZF9F9W/tYIZWgjf6WAM34KX RI06OicA==; Received: from willy by bombadil.infradead.org with local (Exim 4.92.3 #3 (Red Hat Linux)) id 1j9SwJ-0001cL-1S; Wed, 04 Mar 2020 12:15:51 +0000 Date: Wed, 4 Mar 2020 04:15:50 -0800 From: Matthew Wilcox To: Xianting Tian Cc: akpm@linux-foundation.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] mm/filemap.c: clear page error before actual read Message-ID: <20200304121550.GD29971@bombadil.infradead.org> References: <1583318844-22971-1-git-send-email-xianting_tian@126.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1583318844-22971-1-git-send-email-xianting_tian@126.com> X-Bogosity: Ham, tests=bogofilter, spamicity=0.000039, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Wed, Mar 04, 2020 at 05:47:24AM -0500, Xianting Tian wrote: > With the patch, mount operation trigger the calling of > ClearPageError(page) before the actual read, the page has no error > if no additional page error happen when I/O done. > > Signed-off-by: Xianting Tian Reviewed-by: Matthew Wilcox (Oracle)