From patchwork Fri Dec 1 09:19:41 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Nikolay Borisov X-Patchwork-Id: 10086613 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 12F496037E for ; Fri, 1 Dec 2017 09:19:58 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 0CA9F29194 for ; Fri, 1 Dec 2017 09:19:58 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 012EB2A0D6; Fri, 1 Dec 2017 09:19:57 +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 8323229194 for ; Fri, 1 Dec 2017 09:19:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751878AbdLAJTy (ORCPT ); Fri, 1 Dec 2017 04:19:54 -0500 Received: from mx2.suse.de ([195.135.220.15]:41429 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751821AbdLAJTw (ORCPT ); Fri, 1 Dec 2017 04:19:52 -0500 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay1.suse.de (charybdis-ext.suse.de [195.135.220.254]) by mx2.suse.de (Postfix) with ESMTP id 76657AD48 for ; Fri, 1 Dec 2017 09:19:51 +0000 (UTC) From: Nikolay Borisov To: linux-btrfs@vger.kernel.org Cc: Nikolay Borisov Subject: [PATCH 2/5] btrfs: Remove dead code Date: Fri, 1 Dec 2017 11:19:41 +0200 Message-Id: <1512119984-12708-3-git-send-email-nborisov@suse.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1512119984-12708-1-git-send-email-nborisov@suse.com> References: <1512119984-12708-1-git-send-email-nborisov@suse.com> Sender: linux-btrfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP 'clear' is always set to 0 (BTRFS_FEATURE_COMPAT_SAFE_CLEAR, BTRFS_FEATURE_COMPAT_RO_SAFE_CLEAR and BTRFS_FEATURE_INCOMPAT_SAFE_CLEAR are all defined to 0). So remove the code that logically can never execute. Signed-off-by: Nikolay Borisov --- fs/btrfs/sysfs.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/fs/btrfs/sysfs.c b/fs/btrfs/sysfs.c index a8bafed931f4..37dbf2fccedc 100644 --- a/fs/btrfs/sysfs.c +++ b/fs/btrfs/sysfs.c @@ -84,8 +84,6 @@ static int can_modify_feature(struct btrfs_feature_attr *fa) if (set & fa->feature_bit) val |= 1; - if (clear & fa->feature_bit) - val |= 2; return val; }