From patchwork Fri May 1 06:29:56 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ritesh Harjani X-Patchwork-Id: 11522135 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id D1CA4912 for ; Fri, 1 May 2020 06:30:50 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C4D39208DB for ; Fri, 1 May 2020 06:30:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728282AbgEAGat (ORCPT ); Fri, 1 May 2020 02:30:49 -0400 Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]:12336 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728126AbgEAGas (ORCPT ); Fri, 1 May 2020 02:30:48 -0400 Received: from pps.filterd (m0187473.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id 04163FIp001721; Fri, 1 May 2020 02:30:43 -0400 Received: from ppma02fra.de.ibm.com (47.49.7a9f.ip4.static.sl-reverse.com [159.122.73.71]) by mx0a-001b2d01.pphosted.com with ESMTP id 30r7mmsa6j-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 01 May 2020 02:30:43 -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 0416ApGs001453; Fri, 1 May 2020 06:30:40 GMT Received: from b06cxnps3074.portsmouth.uk.ibm.com (d06relay09.portsmouth.uk.ibm.com [9.149.109.194]) by ppma02fra.de.ibm.com with ESMTP id 30mcu7y8qh-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 01 May 2020 06:30:40 +0000 Received: from b06wcsmtp001.portsmouth.uk.ibm.com (b06wcsmtp001.portsmouth.uk.ibm.com [9.149.105.160]) by b06cxnps3074.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 0416UbAP12321164 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 1 May 2020 06:30:37 GMT Received: from b06wcsmtp001.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 9CA05A405C; Fri, 1 May 2020 06:30:37 +0000 (GMT) Received: from b06wcsmtp001.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id CAD1BA405B; Fri, 1 May 2020 06:30:35 +0000 (GMT) Received: from localhost.localdomain.com (unknown [9.85.81.13]) by b06wcsmtp001.portsmouth.uk.ibm.com (Postfix) with ESMTP; Fri, 1 May 2020 06:30:35 +0000 (GMT) From: Ritesh Harjani To: linux-ext4@vger.kernel.org Cc: "Paul E . McKenney" , linux-fsdevel@vger.kernel.org, Jan Kara , tytso@mit.edu, "Aneesh Kumar K . V" , Ritesh Harjani Subject: [RFC 14/20] ext4: balloc: Use task_pid_nr() helper Date: Fri, 1 May 2020 11:59:56 +0530 Message-Id: <6eed644ebb4d6f1f848dc4f438fb03e9230259b6.1588313626.git.riteshh@linux.ibm.com> X-Mailer: git-send-email 2.21.0 In-Reply-To: References: MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.138,18.0.676 definitions=2020-05-01_01:2020-04-30,2020-05-01 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 bulkscore=0 phishscore=0 clxscore=1015 mlxscore=0 adultscore=0 impostorscore=0 mlxlogscore=799 priorityscore=1501 lowpriorityscore=0 spamscore=0 suspectscore=1 malwarescore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2003020000 definitions=main-2005010044 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; }