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=-9.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS,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 C9BECC282C0 for ; Fri, 25 Jan 2019 05:09:46 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A2A25218D2 for ; Fri, 25 Jan 2019 05:09:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726602AbfAYFJp (ORCPT ); Fri, 25 Jan 2019 00:09:45 -0500 Received: from mx2.suse.de ([195.135.220.15]:56184 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726544AbfAYFJo (ORCPT ); Fri, 25 Jan 2019 00:09:44 -0500 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.220.254]) by mx1.suse.de (Postfix) with ESMTP id F24E1AE03 for ; Fri, 25 Jan 2019 05:09:42 +0000 (UTC) From: Qu Wenruo To: linux-btrfs@vger.kernel.org Subject: [PATCH v4 07/12] btrfs: extent_io: Kill the dead branch in extent_write_cache_pages() Date: Fri, 25 Jan 2019 13:09:20 +0800 Message-Id: <20190125050925.30754-8-wqu@suse.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190125050925.30754-1-wqu@suse.com> References: <20190125050925.30754-1-wqu@suse.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-btrfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org Since __extent_writepage() will no longer return >0 value, (ret == AOP_WRITEPAGE_ACTIVATE) will never be true. Kill that dead branch. Signed-off-by: Qu Wenruo --- fs/btrfs/extent_io.c | 5 ----- 1 file changed, 5 deletions(-) diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c index 5573c2355e05..866972ecf70d 100644 --- a/fs/btrfs/extent_io.c +++ b/fs/btrfs/extent_io.c @@ -3989,11 +3989,6 @@ static int extent_write_cache_pages(struct address_space *mapping, } ret = __extent_writepage(page, wbc, epd); - - if (unlikely(ret == AOP_WRITEPAGE_ACTIVATE)) { - unlock_page(page); - ret = 0; - } if (ret < 0) { /* * done_index is set past this page, -- 2.20.1