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=-12.5 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,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 B0924C43467 for ; Fri, 9 Oct 2020 14:31:14 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 3D9872225D for ; Fri, 9 Oct 2020 14:31:14 +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="OpgwA4h4" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 3D9872225D 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 C3F3A6B0070; Fri, 9 Oct 2020 10:31:12 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id BEFDE6B0073; Fri, 9 Oct 2020 10:31:12 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id ABA736B0074; Fri, 9 Oct 2020 10:31:12 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0010.hostedemail.com [216.40.44.10]) by kanga.kvack.org (Postfix) with ESMTP id 6107D6B0070 for ; Fri, 9 Oct 2020 10:31:12 -0400 (EDT) Received: from smtpin08.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay02.hostedemail.com (Postfix) with ESMTP id B359F362A for ; Fri, 9 Oct 2020 14:31:11 +0000 (UTC) X-FDA: 77352624342.08.crow81_2c04da7271e1 Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin08.hostedemail.com (Postfix) with ESMTP id 96DF81819E86D for ; Fri, 9 Oct 2020 14:31:11 +0000 (UTC) X-HE-Tag: crow81_2c04da7271e1 X-Filterd-Recvd-Size: 3360 Received: from casper.infradead.org (casper.infradead.org [90.155.50.34]) by imf48.hostedemail.com (Postfix) with ESMTP for ; Fri, 9 Oct 2020 14:31:11 +0000 (UTC) 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: References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To: Content-Type:Content-ID:Content-Description; bh=9pnCDQD7BT3wSOEmQ/ujAa+Hm2ir7A48RB79T7IxK0Q=; b=OpgwA4h4sqP1jU/IETGKZCdM+Q i2z3mUNTVaNMrPcKu/kIEUukM1dt974qFSZx4F1PJP3u9M1SgxVKgcIonjd/aNrK8oJYJJN4oHRk1 obdU0/M9Ik9JMH/nzkWE8D3yho4lKnaBpftYWxPJpDwLQo52xiQnfV7kpYc8EtYGLGmDorJ9y8V5N CJcX+ugzQELTPBZdvOkJejfwb3L1y6UeR3FiWZL/sICMMOlGRRiA2qGYtu0wV9jkbIzwzA2oq/dOd H5aqicfp9nwOgncn7C7ET7kxAk5rWlkDprT8RSZwKu9U+B7N0o7spekfqopBUVo/2X+R5nO4vA99R nxNxhJxw==; Received: from willy by casper.infradead.org with local (Exim 4.92.3 #3 (Red Hat Linux)) id 1kQtQI-0005uX-P8; Fri, 09 Oct 2020 14:31:06 +0000 From: "Matthew Wilcox (Oracle)" To: linux-fsdevel@vger.kernel.org Cc: "Matthew Wilcox (Oracle)" , linux-mm@kvack.org, v9fs-developer@lists.sourceforge.net, linux-kernel@vger.kernel.org, linux-afs@lists.infradead.org, ceph-devel@vger.kernel.org, linux-cifs@vger.kernel.org, ecryptfs@vger.kernel.org, linux-um@lists.infradead.org, linux-mtd@lists.infradead.org, Richard Weinberger , linux-xfs@vger.kernel.org Subject: [PATCH v2 02/16] mm: Inline wait_on_page_read into its one caller Date: Fri, 9 Oct 2020 15:30:50 +0100 Message-Id: <20201009143104.22673-3-willy@infradead.org> X-Mailer: git-send-email 2.21.3 In-Reply-To: <20201009143104.22673-1-willy@infradead.org> References: <20201009143104.22673-1-willy@infradead.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: Having this code inline helps the function read more easily. Signed-off-by: Matthew Wilcox (Oracle) --- mm/filemap.c | 20 ++++---------------- 1 file changed, 4 insertions(+), 16 deletions(-) diff --git a/mm/filemap.c b/mm/filemap.c index 95b68ec1f22c..0ef06d515532 100644 --- a/mm/filemap.c +++ b/mm/filemap.c @@ -2834,18 +2834,6 @@ EXPORT_SYMBOL(filemap_page_mkwrite); EXPORT_SYMBOL(generic_file_mmap); EXPORT_SYMBOL(generic_file_readonly_mmap); =20 -static struct page *wait_on_page_read(struct page *page) -{ - if (!IS_ERR(page)) { - wait_on_page_locked(page); - if (!PageUptodate(page)) { - put_page(page); - page =3D ERR_PTR(-EIO); - } - } - return page; -} - static struct page *do_read_cache_page(struct address_space *mapping, pgoff_t index, int (*filler)(void *, struct page *), @@ -2876,7 +2864,10 @@ static struct page *do_read_cache_page(struct addr= ess_space *mapping, err =3D mapping->a_ops->readpage(data, page); if (err =3D=3D AOP_UPDATED_PAGE) { unlock_page(page); - goto out; + } else if (!err) { + wait_on_page_locked(page); + if (!PageUptodate(page)) + err =3D -EIO; } =20 if (err < 0) { @@ -2884,9 +2875,6 @@ static struct page *do_read_cache_page(struct addre= ss_space *mapping, return ERR_PTR(err); } =20 - page =3D wait_on_page_read(page); - if (IS_ERR(page)) - return page; goto out; } if (PageUptodate(page)) --=20 2.28.0