From patchwork Sat Aug 4 13:10:56 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lu Fengqi X-Patchwork-Id: 10555759 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 5BB4A157D for ; Sat, 4 Aug 2018 13:11:15 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 4B32829EE0 for ; Sat, 4 Aug 2018 13:11:15 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 3FC2629F44; Sat, 4 Aug 2018 13:11:15 +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 ED38829EE0 for ; Sat, 4 Aug 2018 13:11:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728515AbeHDPLx (ORCPT ); Sat, 4 Aug 2018 11:11:53 -0400 Received: from mail.cn.fujitsu.com ([183.91.158.132]:4400 "EHLO heian.cn.fujitsu.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726871AbeHDPLx (ORCPT ); Sat, 4 Aug 2018 11:11:53 -0400 X-IronPort-AV: E=Sophos;i="5.43,368,1503331200"; d="scan'208";a="43067713" Received: from unknown (HELO cn.fujitsu.com) ([10.167.33.5]) by heian.cn.fujitsu.com with ESMTP; 04 Aug 2018 21:11:09 +0800 Received: from G08CNEXCHPEKD02.g08.fujitsu.local (unknown [10.167.33.83]) by cn.fujitsu.com (Postfix) with ESMTP id 45C3C4B6ADEE for ; Sat, 4 Aug 2018 21:11:06 +0800 (CST) Received: from fnst.localdomain (10.167.226.155) by G08CNEXCHPEKD02.g08.fujitsu.local (10.167.33.89) with Microsoft SMTP Server (TLS) id 14.3.399.0; Sat, 4 Aug 2018 21:11:05 +0800 From: Lu Fengqi To: Subject: [PATCH 4/5] btrfs: remove a useless return statement in btrfs_block_rsv_add Date: Sat, 4 Aug 2018 21:10:56 +0800 Message-ID: <20180804131057.9967-5-lufq.fnst@cn.fujitsu.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20180804131057.9967-1-lufq.fnst@cn.fujitsu.com> References: <20180804131057.9967-1-lufq.fnst@cn.fujitsu.com> MIME-Version: 1.0 X-Originating-IP: [10.167.226.155] X-yoursite-MailScanner-ID: 45C3C4B6ADEE.A086E X-yoursite-MailScanner: Found to be clean X-yoursite-MailScanner-From: lufq.fnst@cn.fujitsu.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 Since ret must be 0 here, don't have to return separately in advance. No functional change. Signed-off-by: Lu Fengqi --- fs/btrfs/extent-tree.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c index 4fb20f77d6b1..8bebf122d4b3 100644 --- a/fs/btrfs/extent-tree.c +++ b/fs/btrfs/extent-tree.c @@ -5539,10 +5539,8 @@ int btrfs_block_rsv_add(struct btrfs_root *root, return 0; ret = reserve_metadata_bytes(root, block_rsv, num_bytes, flush); - if (!ret) { + if (!ret) block_rsv_add_bytes(block_rsv, num_bytes, true); - return 0; - } return ret; }