From patchwork Tue Apr 2 02:48:04 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Li zeming X-Patchwork-Id: 1918614 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=ozlabs.org (client-ip=2404:9400:2221:ea00::3; helo=gandalf.ozlabs.org; envelope-from=srs0=o4da=lh=vger.kernel.org=linux-ext4+bounces-1815-patchwork-incoming=ozlabs.org@ozlabs.org; receiver=patchwork.ozlabs.org) Received: from gandalf.ozlabs.org (mail.ozlabs.org [IPv6:2404:9400:2221:ea00::3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (secp384r1)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4V7skq0H25z1yYw for ; Tue, 2 Apr 2024 13:48:19 +1100 (AEDT) Received: from gandalf.ozlabs.org (gandalf.ozlabs.org [150.107.74.76]) by gandalf.ozlabs.org (Postfix) with ESMTP id 4V7skp4sQJz4wcn for ; Tue, 2 Apr 2024 13:48:18 +1100 (AEDT) Received: by gandalf.ozlabs.org (Postfix) id 4V7skp4pcmz4wxt; Tue, 2 Apr 2024 13:48:18 +1100 (AEDT) Delivered-To: patchwork-incoming@ozlabs.org Authentication-Results: gandalf.ozlabs.org; dmarc=none (p=none dis=none) header.from=nfschina.com Authentication-Results: gandalf.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=2604:1380:45e3:2400::1; helo=sv.mirrors.kernel.org; envelope-from=linux-ext4+bounces-1815-patchwork-incoming=ozlabs.org@vger.kernel.org; receiver=ozlabs.org) Received: from sv.mirrors.kernel.org (sv.mirrors.kernel.org [IPv6:2604:1380:45e3:2400::1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits)) (No client certificate requested) by gandalf.ozlabs.org (Postfix) with ESMTPS id 4V7skp3WVzz4wcn for ; Tue, 2 Apr 2024 13:48:18 +1100 (AEDT) Received: from smtp.subspace.kernel.org (wormhole.subspace.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by sv.mirrors.kernel.org (Postfix) with ESMTPS id 45D21286A2B for ; Tue, 2 Apr 2024 02:48:17 +0000 (UTC) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 2D50B12E6C; Tue, 2 Apr 2024 02:48:16 +0000 (UTC) X-Original-To: linux-ext4@vger.kernel.org Received: from mail.nfschina.com (unknown [42.101.60.195]) by smtp.subspace.kernel.org (Postfix) with SMTP id B67CE111A3; Tue, 2 Apr 2024 02:48:12 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=42.101.60.195 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712026096; cv=none; b=QKZzXcGdhG29Dttj4R5wu2WkV1yEoj57DYqcEWrkM4fvD/rNa9qKxxAumk/yqdxwXgdVGbaWaetXWnXK841ki9b+nx/jYK1HBfc4L2pkrk9yuDU3o0D1mVGwqywDFAGLHO9nk2Halq1zvkNpGGyW6eyYaEUcQ7vFh1ePt0DPn6k= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712026096; c=relaxed/simple; bh=BDkfVkHHxWVJzVoMUvSky86KdCjI582r8cJyMa1bl8U=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version:Content-Type; b=M7+D71ElMK31HT4ArCK5BRA4zDKZob33EZgNhjG1ra2yh9zoyTe+J21TD4iLQXLDGgTLOiPmLgXsTEItYsSCRxVrzYZ+ok3v4ntJTASSxqaZ/K91vELLalG6dd3m2iL4IEtDZ0056qAkYCtQ7gASrxYAHPLNVSOcA/AlxG5zHFc= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=nfschina.com; spf=pass smtp.mailfrom=nfschina.com; arc=none smtp.client-ip=42.101.60.195 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=nfschina.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=nfschina.com Received: from localhost.localdomain (unknown [219.141.250.2]) by mail.nfschina.com (Maildata Gateway V2.8.8) with ESMTPA id 7E6EC605E181C; Tue, 2 Apr 2024 10:48:10 +0800 (CST) X-MD-Sfrom: zeming@nfschina.com X-MD-SrcIP: 219.141.250.2 From: Li zeming To: tytso@mit.edu, adilger.kernel@dilger.ca Cc: linux-ext4@vger.kernel.org, linux-kernel@vger.kernel.org, Li zeming Subject: [PATCH] =?utf-8?q?ext4=3A_extents=3A_Remove_unnecessary_=E2=80=98NU?= =?utf-8?q?LL=E2=80=99_values_from_ablocks?= Date: Tue, 2 Apr 2024 10:48:04 +0800 Message-Id: <20240402024804.29411-1-zeming@nfschina.com> X-Mailer: git-send-email 2.18.2 Precedence: bulk X-Mailing-List: linux-ext4@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 ablocks is assigned first, so it does not need to initialize the assignment. Signed-off-by: Li zeming --- fs/ext4/extents.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c index 4ab96f01a6f31..caace8c3fd3c1 100644 --- a/fs/ext4/extents.c +++ b/fs/ext4/extents.c @@ -1061,7 +1061,7 @@ static int ext4_ext_split(handle_t *handle, struct inode *inode, int i = at, k, m, a; ext4_fsblk_t newblock, oldblock; __le32 border; - ext4_fsblk_t *ablocks = NULL; /* array of allocated blocks */ + ext4_fsblk_t *ablocks; /* array of allocated blocks */ gfp_t gfp_flags = GFP_NOFS; int err = 0; size_t ext_size = 0;