From patchwork Tue Nov 17 09:47:43 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Zou Wei X-Patchwork-Id: 11911807 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=-12.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable 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 2DCA2C2D0E4 for ; Tue, 17 Nov 2020 09:36:35 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E2D0824654 for ; Tue, 17 Nov 2020 09:36:34 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726297AbgKQJgJ (ORCPT ); Tue, 17 Nov 2020 04:36:09 -0500 Received: from szxga05-in.huawei.com ([45.249.212.191]:7553 "EHLO szxga05-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725747AbgKQJgI (ORCPT ); Tue, 17 Nov 2020 04:36:08 -0500 Received: from DGGEMS412-HUB.china.huawei.com (unknown [172.30.72.60]) by szxga05-in.huawei.com (SkyGuard) with ESMTP id 4Cb15j2QDvzhYBs; Tue, 17 Nov 2020 17:35:53 +0800 (CST) Received: from linux-lmwb.huawei.com (10.175.103.112) by DGGEMS412-HUB.china.huawei.com (10.3.19.212) with Microsoft SMTP Server id 14.3.487.0; Tue, 17 Nov 2020 17:36:00 +0800 From: Zou Wei To: , , CC: , , Zou Wei Subject: [PATCH -next] btrfs: remove unused variable Date: Tue, 17 Nov 2020 17:47:43 +0800 Message-ID: <1605606463-78936-1-git-send-email-zou_wei@huawei.com> X-Mailer: git-send-email 2.6.2 MIME-Version: 1.0 X-Originating-IP: [10.175.103.112] X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org Fix variable set but not used compilation warnings: fs/btrfs/ctree.c:1581:6: warning: variable ‘parent_level’ set but not used [-Wunused-but-set-variable] int parent_level; ^~~~~~~~~~~~ fs/btrfs/zoned.c:503:6: warning: variable ‘zone_size’ set but not used [-Wunused-but-set-variable] u64 zone_size; ^~~~~~~~~ Signed-off-by: Zou Wei --- fs/btrfs/ctree.c | 3 --- fs/btrfs/zoned.c | 2 -- 2 files changed, 5 deletions(-) diff --git a/fs/btrfs/ctree.c b/fs/btrfs/ctree.c index 32a57a7..e5a0941 100644 --- a/fs/btrfs/ctree.c +++ b/fs/btrfs/ctree.c @@ -1578,13 +1578,10 @@ int btrfs_realloc_node(struct btrfs_trans_handle *trans, int end_slot; int i; int err = 0; - int parent_level; u32 blocksize; int progress_passed = 0; struct btrfs_disk_key disk_key; - parent_level = btrfs_header_level(parent); - WARN_ON(trans->transaction != fs_info->running_transaction); WARN_ON(trans->transid != fs_info->generation); diff --git a/fs/btrfs/zoned.c b/fs/btrfs/zoned.c index fa9cc61..742f088 100644 --- a/fs/btrfs/zoned.c +++ b/fs/btrfs/zoned.c @@ -500,7 +500,6 @@ int btrfs_sb_log_location_bdev(struct block_device *bdev, int mirror, int rw, unsigned int zone_sectors; u32 sb_zone; int ret; - u64 zone_size; u8 zone_sectors_shift; sector_t nr_sectors = bdev->bd_part->nr_sects; u32 nr_zones; @@ -515,7 +514,6 @@ int btrfs_sb_log_location_bdev(struct block_device *bdev, int mirror, int rw, zone_sectors = bdev_zone_sectors(bdev); if (!is_power_of_2(zone_sectors)) return -EINVAL; - zone_size = zone_sectors << SECTOR_SHIFT; zone_sectors_shift = ilog2(zone_sectors); nr_zones = nr_sectors >> zone_sectors_shift;