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=-9.8 required=3.0 tests=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 61F08C54E4B for ; Sun, 10 May 2020 06:25:50 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4BC5E2082E for ; Sun, 10 May 2020 06:25:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728182AbgEJGZt (ORCPT ); Sun, 10 May 2020 02:25:49 -0400 Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5]:52180 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1727122AbgEJGZs (ORCPT ); Sun, 10 May 2020 02:25:48 -0400 Received: from pps.filterd (m0098414.ppops.net [127.0.0.1]) by mx0b-001b2d01.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id 04A639Ux043295; Sun, 10 May 2020 02:25:42 -0400 Received: from ppma02fra.de.ibm.com (47.49.7a9f.ip4.static.sl-reverse.com [159.122.73.71]) by mx0b-001b2d01.pphosted.com with ESMTP id 30ws59bx06-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Sun, 10 May 2020 02:25:42 -0400 Received: from pps.filterd (ppma02fra.de.ibm.com [127.0.0.1]) by ppma02fra.de.ibm.com (8.16.0.27/8.16.0.27) with SMTP id 04A6K7ef020359; Sun, 10 May 2020 06:25:40 GMT Received: from b06cxnps4075.portsmouth.uk.ibm.com (d06relay12.portsmouth.uk.ibm.com [9.149.109.197]) by ppma02fra.de.ibm.com with ESMTP id 30wm558t4t-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Sun, 10 May 2020 06:25:40 +0000 Received: from d06av24.portsmouth.uk.ibm.com (d06av24.portsmouth.uk.ibm.com [9.149.105.60]) by b06cxnps4075.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 04A6Pc1d65798284 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Sun, 10 May 2020 06:25:38 GMT Received: from d06av24.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 0427242042; Sun, 10 May 2020 06:25:38 +0000 (GMT) Received: from d06av24.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 738AF42041; Sun, 10 May 2020 06:25:36 +0000 (GMT) Received: from localhost.localdomain.com (unknown [9.199.61.127]) by d06av24.portsmouth.uk.ibm.com (Postfix) with ESMTP; Sun, 10 May 2020 06:25:36 +0000 (GMT) From: Ritesh Harjani To: linux-ext4@vger.kernel.org Cc: linux-fsdevel@vger.kernel.org, Jan Kara , tytso@mit.edu, "Aneesh Kumar K . V" , Ritesh Harjani Subject: [RFC 10/16] ext4: balloc: Use task_pid_nr() helper Date: Sun, 10 May 2020 11:54:50 +0530 Message-Id: <4b58403e15e9c8deb34a1b93deb3fc9cd153ab84.1589086800.git.riteshh@linux.ibm.com> X-Mailer: git-send-email 2.21.0 In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.216,18.0.676 definitions=2020-05-10_01:2020-05-08,2020-05-10 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 clxscore=1015 priorityscore=1501 suspectscore=1 adultscore=0 impostorscore=0 malwarescore=0 mlxscore=0 lowpriorityscore=0 bulkscore=0 mlxlogscore=795 phishscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2003020000 definitions=main-2005100055 Sender: linux-fsdevel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org Use task_pid_nr() function instead of current->pid. There should be no functionality change in this patch. Signed-off-by: Ritesh Harjani --- fs/ext4/balloc.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/fs/ext4/balloc.c b/fs/ext4/balloc.c index a32e5f7b5385..1ba46d87cdf1 100644 --- a/fs/ext4/balloc.c +++ b/fs/ext4/balloc.c @@ -903,10 +903,11 @@ ext4_fsblk_t ext4_inode_to_goal_block(struct inode *inode) return bg_start; if (bg_start + EXT4_BLOCKS_PER_GROUP(inode->i_sb) <= last_block) - colour = (current->pid % 16) * + colour = (task_pid_nr(current) % 16) * (EXT4_BLOCKS_PER_GROUP(inode->i_sb) / 16); else - colour = (current->pid % 16) * ((last_block - bg_start) / 16); + colour = (task_pid_nr(current) % 16) * + ((last_block - bg_start) / 16); return bg_start + colour; } -- 2.21.0