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=-9.6 required=3.0 tests=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 4513AC3B187 for ; Tue, 11 Feb 2020 01:04:07 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 0ABBC2082F for ; Tue, 11 Feb 2020 01:04:06 +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="Isw5m/tT" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 0ABBC2082F 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 B5BEC6B020D; Mon, 10 Feb 2020 20:03:58 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id B0C4B6B020B; Mon, 10 Feb 2020 20:03:58 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 8271A6B020E; Mon, 10 Feb 2020 20:03:58 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0124.hostedemail.com [216.40.44.124]) by kanga.kvack.org (Postfix) with ESMTP id 6392B6B020B for ; Mon, 10 Feb 2020 20:03:58 -0500 (EST) Received: from smtpin05.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay02.hostedemail.com (Postfix) with ESMTP id 1350E33C4 for ; Tue, 11 Feb 2020 01:03:58 +0000 (UTC) X-FDA: 76476049356.05.hope78_57deecb7bb1d X-HE-Tag: hope78_57deecb7bb1d X-Filterd-Recvd-Size: 3198 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) by imf41.hostedemail.com (Postfix) with ESMTP for ; Tue, 11 Feb 2020 01:03:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.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=MOOCl0kElclaL12Bo2vdDIW4gCL68Y7X1xBVMIbuM80=; b=Isw5m/tToyqF5hw2BHaQc66txg PLpadc/3h5L6eAeruvyIBlnGL1PP7HBjXzQGHBrgDRT079Q3r/xXZRoyDxjg9eYDqeL9RoWbECgEm IViGYNLoYxC8uf/tZ96aGfepdrMqdPmTsRd0IMjX/2KZemd3naXkvF6oAY3AtJ8V4hqLrYX9oKGei WdFEds4K+gW630ResAlErqadDoitOedK0m1LuInhQW/SaVHIon6X3nGWBFlKNaEWcziZjkDcH9c4A MYXX/W4UN0+2jmsJlL97B3nSSMEXmyOgLqdqFqdm+QN3vnSEn0/Zyg8JczgtVc92uJp3BUxRQVhaa 4qj969Yw==; Received: from willy by bombadil.infradead.org with local (Exim 4.92.3 #3 (Red Hat Linux)) id 1j1Jxu-0001nl-BQ; Tue, 11 Feb 2020 01:03:50 +0000 From: Matthew Wilcox To: linux-fsdevel@vger.kernel.org Cc: "Matthew Wilcox (Oracle)" , linux-mm@kvack.org, linux-kernel@vger.kernel.org, linux-btrfs@vger.kernel.org, linux-erofs@lists.ozlabs.org, linux-ext4@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net, cluster-devel@redhat.com, ocfs2-devel@oss.oracle.com, linux-xfs@vger.kernel.org Subject: [PATCH v5 02/13] mm: Ignore return value of ->readpages Date: Mon, 10 Feb 2020 17:03:37 -0800 Message-Id: <20200211010348.6872-3-willy@infradead.org> X-Mailer: git-send-email 2.21.1 In-Reply-To: <20200211010348.6872-1-willy@infradead.org> References: <20200211010348.6872-1-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: From: "Matthew Wilcox (Oracle)" We used to assign the return value to a variable, which we then ignored. Remove the pretence of caring. Signed-off-by: Matthew Wilcox (Oracle) --- mm/readahead.c | 8 ++------ 1 file changed, 2 insertions(+), 6 deletions(-) diff --git a/mm/readahead.c b/mm/readahead.c index 6bf73ef33b7e..fc77d13af556 100644 --- a/mm/readahead.c +++ b/mm/readahead.c @@ -113,17 +113,16 @@ int read_cache_pages(struct address_space *mapping,= struct list_head *pages, =20 EXPORT_SYMBOL(read_cache_pages); =20 -static int read_pages(struct address_space *mapping, struct file *filp, +static void read_pages(struct address_space *mapping, struct file *filp, struct list_head *pages, unsigned int nr_pages, gfp_t gfp) { struct blk_plug plug; unsigned page_idx; - int ret; =20 blk_start_plug(&plug); =20 if (mapping->a_ops->readpages) { - ret =3D mapping->a_ops->readpages(filp, mapping, pages, nr_pages); + mapping->a_ops->readpages(filp, mapping, pages, nr_pages); /* Clean up the remaining pages */ put_pages_list(pages); goto out; @@ -136,12 +135,9 @@ static int read_pages(struct address_space *mapping,= struct file *filp, mapping->a_ops->readpage(filp, page); put_page(page); } - ret =3D 0; =20 out: blk_finish_plug(&plug); - - return ret; } =20 /* --=20 2.25.0