From patchwork Thu Aug 16 16:37:12 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: zhong jiang X-Patchwork-Id: 10567867 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 20C2C913 for ; Thu, 16 Aug 2018 16:49:54 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 1034C2B3BD for ; Thu, 16 Aug 2018 16:49:54 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 0434D2B46F; Thu, 16 Aug 2018 16:49:54 +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=-7.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, 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 B60532B3BD for ; Thu, 16 Aug 2018 16:49:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727865AbeHPTsr (ORCPT ); Thu, 16 Aug 2018 15:48:47 -0400 Received: from szxga07-in.huawei.com ([45.249.212.35]:55682 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1727317AbeHPTsq (ORCPT ); Thu, 16 Aug 2018 15:48:46 -0400 Received: from DGGEMS404-HUB.china.huawei.com (unknown [172.30.72.60]) by Forcepoint Email with ESMTP id 5CDDBCD245175; Fri, 17 Aug 2018 00:49:05 +0800 (CST) Received: from linux-ibm.site (10.175.102.37) by DGGEMS404-HUB.china.huawei.com (10.3.19.204) with Microsoft SMTP Server id 14.3.399.0; Fri, 17 Aug 2018 00:49:08 +0800 From: zhong jiang To: CC: , , , Subject: [PATCHv4 0/3] btrfs: remove unneeded variable and if possbile Date: Fri, 17 Aug 2018 00:37:12 +0800 Message-ID: <1534437435-51605-1-git-send-email-zhongjiang@huawei.com> X-Mailer: git-send-email 1.7.12.4 MIME-Version: 1.0 X-Originating-IP: [10.175.102.37] X-CFilter-Loop: Reflected 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 v3->v4: - btrfs_destroy_delayed_refs return value would be actually needed. so just remove the unneeded variable "ret" and modify the subject v2->v3: - repost the patches with detailed commit message. v1->v2: - Fix v1 issue that forget to return after remove the variable "ret". zhong jiang (3): btrfs: remove unneeded variable "ret" in btrfs_destroy_delayed_refs btrfs: change btrfs_free_reserved_bytes to be void funtion btrfs: change btrfs_pin_log_trans to be void function fs/btrfs/disk-io.c | 5 ++--- fs/btrfs/extent-tree.c | 6 ++---- fs/btrfs/tree-log.c | 5 +---- fs/btrfs/tree-log.h | 2 +- 4 files changed, 6 insertions(+), 12 deletions(-)