From patchwork Tue Mar 3 16:21:39 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Qiujun Huang X-Patchwork-Id: 11418389 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 9EE54138D for ; Tue, 3 Mar 2020 16:21:48 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 7AF992073D for ; Tue, 3 Mar 2020 16:21:48 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="BC+IQYQA" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730349AbgCCQVo (ORCPT ); Tue, 3 Mar 2020 11:21:44 -0500 Received: from mail-pl1-f193.google.com ([209.85.214.193]:38561 "EHLO mail-pl1-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730293AbgCCQVo (ORCPT ); Tue, 3 Mar 2020 11:21:44 -0500 Received: by mail-pl1-f193.google.com with SMTP id p7so1525426pli.5; Tue, 03 Mar 2020 08:21:43 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=YUcw1KG3qrvpleqzqQ7xyhNdpovGgPoy1w9JlReaGGk=; b=BC+IQYQA/hBOYJ9q/YG9kdpBsF9+tMbOpFAGLQ2bWvsY4KF4P8Q+dmAdfU78cGhWRP 0Yxb8itlOvfnGtQaxf24HMBU0W14RPWxsokNwDs/dq76dyyJgqpvzw/D1xUxklvYK2we UsS7KyvnvsXHaryzWGaxrGsMMrMsuArNfDU0h2E5R/sSvDtC3mvWmFUgPefDylr8UM2H 2cFqcrsibwblgR/8oYvQv+l7vIoaFxAfssROdh/0L9Icc0f6zwhhXRu0AkbmV5qw4RuL 6/M0mmbl7EATwVYKzZKzISeWeoPWdR7ObS2z2FHaZU8Issvet4l7kGGWOWQ6w2xKeV+i GwwQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=YUcw1KG3qrvpleqzqQ7xyhNdpovGgPoy1w9JlReaGGk=; b=tfIzW6LnKwTjOAixXxjIrJLerLv7si7NgB6v3p5CoOxh1/Yur5ff5ysvy7hKa9PGFy 5VJAo69JRopUW/ibKH6p++4I4djx3EfA1pcGQt+ocD57ucHoK14obbvwMhE2wocgNmuk y2YbabGQYexUDDBEYnNlQJWzYRlXmtNSF19D35+4x5wTBCrYq95UDeoMHx5IOgfhiEAc 1qh3QeOCyHIh2v4eAeph2yBXctSnJdHlAtwVkD4piOQY9TWN6w72TcVNQbRar6x7KXMq C//WqAALBDrPz4+EtYcb7Ts+g+sPzdbmuwbMjos4Ou58rQKrOcvWA/lK0DAlnVFxvkF8 Mt1A== X-Gm-Message-State: ANhLgQ1JCtDsLoPVTbG77CHz9yzLp0Buai5oiRWx/lga7IRes1DnqIkx LZz95nO4RcdIy+7JEGUrWPg= X-Google-Smtp-Source: ADFU+vuQE+daBK6NDgfu/5VCFw3gGgq2P1GTkZidJo5iBwRZDSbepe/pFLzyshwwWENLrs60uTEfdw== X-Received: by 2002:a17:902:c086:: with SMTP id j6mr5071986pld.46.1583252503458; Tue, 03 Mar 2020 08:21:43 -0800 (PST) Received: from VM_0_35_centos.localdomain ([150.109.62.251]) by smtp.gmail.com with ESMTPSA id i5sm6833123pfo.173.2020.03.03.08.21.41 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 03 Mar 2020 08:21:42 -0800 (PST) From: Qiujun Huang To: jlayton@kernel.org Cc: sage@redhat.com, idryomov@gmail.com, ceph-devel@vger.kernel.org, linux-kernel@vger.kernel.org, Qiujun Huang Subject: [PATCH] fs/ceph/export: remove unused variable 'err' Date: Wed, 4 Mar 2020 00:21:39 +0800 Message-Id: <1583252499-16078-1-git-send-email-hqjagain@gmail.com> X-Mailer: git-send-email 1.8.3.1 MIME-Version: 1.0 Sender: ceph-devel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: ceph-devel@vger.kernel.org fix gcc '-Wunused-but-set-variable' warning: fs/ceph/export.c: In function ‘__get_parent’: fs/ceph/export.c:294:6: warning: variable ‘err’ set but not used [-Wunused-but-set-variable] int err; and needn't use the return value of ceph_mdsc_create_request. Signed-off-by: Qiujun Huang --- fs/ceph/export.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/fs/ceph/export.c b/fs/ceph/export.c index b6bfa94..b7bb41c 100644 --- a/fs/ceph/export.c +++ b/fs/ceph/export.c @@ -291,7 +291,6 @@ static struct dentry *__get_parent(struct super_block *sb, struct ceph_mds_request *req; struct inode *inode; int mask; - int err; req = ceph_mdsc_create_request(mdsc, CEPH_MDS_OP_LOOKUPPARENT, USE_ANY_MDS); @@ -314,7 +313,7 @@ static struct dentry *__get_parent(struct super_block *sb, req->r_args.getattr.mask = cpu_to_le32(mask); req->r_num_caps = 1; - err = ceph_mdsc_do_request(mdsc, NULL, req); + ceph_mdsc_do_request(mdsc, NULL, req); inode = req->r_target_inode; if (inode) ihold(inode);