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 67AAEC2BA19 for ; Tue, 14 Apr 2020 15:02:56 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 2D9772076D for ; Tue, 14 Apr 2020 15:02:56 +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="JF06wYtS" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 2D9772076D 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 A9C248E0010; Tue, 14 Apr 2020 11:02:41 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 9FDB88E000D; Tue, 14 Apr 2020 11:02:41 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 84F738E000F; Tue, 14 Apr 2020 11:02:41 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0026.hostedemail.com [216.40.44.26]) by kanga.kvack.org (Postfix) with ESMTP id 5DE828E000B for ; Tue, 14 Apr 2020 11:02:41 -0400 (EDT) Received: from smtpin27.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay05.hostedemail.com (Postfix) with ESMTP id 263BA181AEF30 for ; Tue, 14 Apr 2020 15:02:41 +0000 (UTC) X-FDA: 76706777322.27.cough97_519c34264a553 X-HE-Tag: cough97_519c34264a553 X-Filterd-Recvd-Size: 3725 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) by imf20.hostedemail.com (Postfix) with ESMTP for ; Tue, 14 Apr 2020 15:02:40 +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=a3v6yDLu6YVVgdwzNLLzwkeJ8vT0YawbuKhMcViKfm0=; b=JF06wYtSwL1/xSUUuID+BwdjlM 1NYosnZkLH42PLmhP3iMKOqAlZszbhrqz4D+kq7FA2pgvQhft14Lm+6SRBGUSSv1a8P5HTEtG+7mV xBnPeuqODdxGkFtC31NnJHGdcW2kl5gAuW5wuW6Zy5B4d/dCDTGZMWeKU50cYs0y6JG3WkZykQJhO g1SQUuso+kDJd1ICcMsmBWTDTrfyPgb9Q924l433/98srGm/NmJYOv35sk3Oeeo9qSyvh/Ib97jci IZdGfINaRsh/KW/SHDZpDVM2DvdFp5M5cIQlkjOqLiQXR4qs0QwF0saDh4eOiv7TFcJY6KvRbSjc8 GYuwfeNg==; Received: from willy by bombadil.infradead.org with local (Exim 4.92.3 #3 (Red Hat Linux)) id 1jON59-0006OS-Vg; Tue, 14 Apr 2020 15:02:35 +0000 From: Matthew Wilcox To: Andrew Morton Cc: "Matthew Wilcox (Oracle)" , linux-fsdevel@vger.kernel.org, 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, John Hubbard , Dave Chinner , William Kucharski Subject: [PATCH v11 08/25] mm: rename readahead loop variable to 'i' Date: Tue, 14 Apr 2020 08:02:16 -0700 Message-Id: <20200414150233.24495-9-willy@infradead.org> X-Mailer: git-send-email 2.21.1 In-Reply-To: <20200414150233.24495-1-willy@infradead.org> References: <20200414150233.24495-1-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)" Change the type of page_idx to unsigned long, and rename it -- it's just a loop counter, not a page index. Suggested-by: John Hubbard Signed-off-by: Matthew Wilcox (Oracle) Reviewed-by: Dave Chinner Reviewed-by: William Kucharski --- mm/readahead.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/mm/readahead.c b/mm/readahead.c index 8a65d6bd97e0..7ce320854bad 100644 --- a/mm/readahead.c +++ b/mm/readahead.c @@ -163,13 +163,13 @@ void __do_page_cache_readahead(struct address_space= *mapping, struct page *page; unsigned long end_index; /* The last page we want to read */ LIST_HEAD(page_pool); - int page_idx; loff_t isize =3D i_size_read(inode); gfp_t gfp_mask =3D readahead_gfp_mask(mapping); struct readahead_control rac =3D { .mapping =3D mapping, .file =3D filp, }; + unsigned long i; =20 if (isize =3D=3D 0) return; @@ -179,8 +179,8 @@ void __do_page_cache_readahead(struct address_space *= mapping, /* * Preallocate as many pages as we will need. */ - for (page_idx =3D 0; page_idx < nr_to_read; page_idx++) { - pgoff_t page_offset =3D index + page_idx; + for (i =3D 0; i < nr_to_read; i++) { + pgoff_t page_offset =3D index + i; =20 if (page_offset > end_index) break; @@ -201,7 +201,7 @@ void __do_page_cache_readahead(struct address_space *= mapping, break; page->index =3D page_offset; list_add(&page->lru, &page_pool); - if (page_idx =3D=3D nr_to_read - lookahead_size) + if (i =3D=3D nr_to_read - lookahead_size) SetPageReadahead(page); rac._nr_pages++; } --=20 2.25.1