From mboxrd@z Thu Jan 1 00:00:00 1970 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=-9.6 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, 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 07E7DC38A2C for ; Fri, 17 Apr 2020 16:20:50 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id DA7132072D for ; Fri, 17 Apr 2020 16:20:49 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="J5rQiyqw" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730224AbgDQQUr (ORCPT ); Fri, 17 Apr 2020 12:20:47 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52678 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729581AbgDQQUq (ORCPT ); Fri, 17 Apr 2020 12:20:46 -0400 Received: from mail-pf1-x444.google.com (mail-pf1-x444.google.com [IPv6:2607:f8b0:4864:20::444]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 610BEC061A0C; Fri, 17 Apr 2020 09:20:46 -0700 (PDT) Received: by mail-pf1-x444.google.com with SMTP id y25so1279900pfn.5; Fri, 17 Apr 2020 09:20:46 -0700 (PDT) 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=uEC1NxgO3wDxKhGD+oHS7PoCQCoDC/4sznGP0BFL7YQ=; b=J5rQiyqwo/AipGRK7qskSONOpPidp/DsEQxq00hgiAwSXPh1pBxheO5mdSsW1lwZ4a GFzUj1JEpdEAaSpxk22bXhnNCzeJ/aLB+xiXFaYXMqxq2UaX5xy5W/f3BwG/+XDK3FtC mW24yMH/2NMQI9lLx9+/O3vSSqCRB+/U1NEyYxlcRWJAsbkGWXYqJ8roMmoCaeS/Pz0q VDPALjTcz6QgpcriDH6yXo44w+sflCEsL/CYxbj3c9E6E2/aaNi5+J8HCaPUnLI2VrUg dq0VqMNfoytaHJvzn19owbq9UN6gEEQ/Hv9nBzzonOTGNklKnU6XEM0A1diU7b0z8oTy 41Cg== 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=uEC1NxgO3wDxKhGD+oHS7PoCQCoDC/4sznGP0BFL7YQ=; b=swWPWJUoldnCYiNrTmb4HoxMB5eInvOOxOzzHEfOmUDRFS0YgvyEao+jvbTcddnG+6 1M5M8/dpWTx2+px3fupJX/97L30/NJfyHwOE+TQ8/goXr9eG1u1uKKvmrh3ExIgsD/ON qxww8DS7X/Q0QCKJndV2OLVYCbfMsZp3tZLPzu05Na/SZpplBFUrkf8Fru/EP548+/fb aHD+XlHEqW7y7tz/hodJGCfLhjNyKRit5mcWpvrKqREXz/V8GLoc9hVgrXwQ6nIn3ofo Jb7L9EtUeZO07rHnPxdExj1Mel7UqYxKAcCG4bWjhT7V8kpatYWvBhN67rAP9IDZ0kpB Xagw== X-Gm-Message-State: AGi0PuYEPPMx5sum+BlasHDG2vzVxwY8/Ra3ZVIPI956k6oPxHccMPn3 Pa0tF9GQ2OaymJYLDIQbYMo= X-Google-Smtp-Source: APiQypKYFg9CEaDEiRYqPjPP3BMFVTkk+0sDCZA3OenufiuvDzXx6rPIHtLq7MiWi4I5tw75Oc6tjw== X-Received: by 2002:a62:5b87:: with SMTP id p129mr3892027pfb.5.1587140445832; Fri, 17 Apr 2020 09:20:45 -0700 (PDT) Received: from Smcdef-MBP.lan ([103.136.220.73]) by smtp.gmail.com with ESMTPSA id i8sm17611763pgr.82.2020.04.17.09.20.42 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Fri, 17 Apr 2020 09:20:45 -0700 (PDT) From: Kaitao Cheng To: viro@zeniv.linux.org.uk Cc: linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, songmuchun@bytedance.com, Kaitao Cheng Subject: [PATCH] fs/buffer: Remove the initialization of variables bh_{accounting, lrus} Date: Sat, 18 Apr 2020 00:20:37 +0800 Message-Id: <20200417162037.91546-1-pilgrimtao@gmail.com> X-Mailer: git-send-email 2.21.0 (Apple Git-122) MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-fsdevel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org The static global variables will be automatically initialized to 0, and we do not need to manually initialize to 0. So remove the initialization of variable bh_{accounting, lrus}. Signed-off-by: Kaitao Cheng --- fs/buffer.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/fs/buffer.c b/fs/buffer.c index 1b3d2e66c496..c13898b1e964 100644 --- a/fs/buffer.c +++ b/fs/buffer.c @@ -1274,7 +1274,7 @@ struct bh_lru { struct buffer_head *bhs[BH_LRU_SIZE]; }; -static DEFINE_PER_CPU(struct bh_lru, bh_lrus) = {{ NULL }}; +static DEFINE_PER_CPU(struct bh_lru, bh_lrus); #ifdef CONFIG_SMP #define bh_lru_lock() local_irq_disable() @@ -3368,7 +3368,7 @@ struct bh_accounting { int ratelimit; /* Limit cacheline bouncing */ }; -static DEFINE_PER_CPU(struct bh_accounting, bh_accounting) = {0, 0}; +static DEFINE_PER_CPU(struct bh_accounting, bh_accounting); static void recalc_bh_state(void) { -- 2.20.1