From patchwork Thu Sep 14 13:18:14 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jan Kara X-Patchwork-Id: 9953033 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id E3F3E60230 for ; Thu, 14 Sep 2017 13:18:46 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id BCED028CD3 for ; Thu, 14 Sep 2017 13:18:46 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id B1CC628D27; Thu, 14 Sep 2017 13:18:46 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 5918028CD3 for ; Thu, 14 Sep 2017 13:18:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751499AbdINNSo (ORCPT ); Thu, 14 Sep 2017 09:18:44 -0400 Received: from mx2.suse.de ([195.135.220.15]:34101 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751422AbdINNSl (ORCPT ); Thu, 14 Sep 2017 09:18:41 -0400 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (charybdis-ext.suse.de [195.135.220.254]) by mx1.suse.de (Postfix) with ESMTP id E5914AD00; Thu, 14 Sep 2017 13:18:37 +0000 (UTC) Received: by quack2.suse.cz (Postfix, from userid 1000) id D2A611E3488; Thu, 14 Sep 2017 15:18:36 +0200 (CEST) From: Jan Kara To: Cc: , linux-f2fs-devel@lists.sourceforge.net, Jaegeuk Kim , ceph-devel@vger.kernel.org, "Yan, Zheng" , Ilya Dryomov , Jan Kara Subject: [PATCH 10/15] mm: Use pagevec_lookup_range_tag() in __filemap_fdatawait_range() Date: Thu, 14 Sep 2017 15:18:14 +0200 Message-Id: <20170914131819.26266-11-jack@suse.cz> X-Mailer: git-send-email 2.12.3 In-Reply-To: <20170914131819.26266-1-jack@suse.cz> References: <20170914131819.26266-1-jack@suse.cz> Sender: ceph-devel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: ceph-devel@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Use pagevec_lookup_range_tag() in __filemap_fdatawait_range() as it is interested only in pages from given range. Remove unnecessary code resulting from this. Signed-off-by: Jan Kara --- mm/filemap.c | 9 ++------- 1 file changed, 2 insertions(+), 7 deletions(-) diff --git a/mm/filemap.c b/mm/filemap.c index fe20329c83cd..479fc54b7cd1 100644 --- a/mm/filemap.c +++ b/mm/filemap.c @@ -421,18 +421,13 @@ static void __filemap_fdatawait_range(struct address_space *mapping, pagevec_init(&pvec, 0); while ((index <= end) && - (nr_pages = pagevec_lookup_tag(&pvec, mapping, &index, - PAGECACHE_TAG_WRITEBACK, - min(end - index, (pgoff_t)PAGEVEC_SIZE-1) + 1)) != 0) { + (nr_pages = pagevec_lookup_range_tag(&pvec, mapping, + &index, end, PAGECACHE_TAG_WRITEBACK, PAGEVEC_SIZE))) { unsigned i; for (i = 0; i < nr_pages; i++) { struct page *page = pvec.pages[i]; - /* until radix tree lookup accepts end_index */ - if (page->index > end) - continue; - wait_on_page_writeback(page); ClearPageError(page); }