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=-8.4 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY, USER_AGENT_SANE_1 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 1B4B4C3276C for ; Thu, 2 Jan 2020 21:18:00 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id DA37B217F4 for ; Thu, 2 Jan 2020 21:17:59 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=oracle.com header.i=@oracle.com header.b="Khip842q" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725911AbgABVR6 (ORCPT ); Thu, 2 Jan 2020 16:17:58 -0500 Received: from aserp2120.oracle.com ([141.146.126.78]:34120 "EHLO aserp2120.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725783AbgABVR6 (ORCPT ); Thu, 2 Jan 2020 16:17:58 -0500 Received: from pps.filterd (aserp2120.oracle.com [127.0.0.1]) by aserp2120.oracle.com (8.16.0.27/8.16.0.27) with SMTP id 002LCCDB054410; Thu, 2 Jan 2020 21:17:36 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=date : from : to : cc : subject : message-id : references : mime-version : content-type : in-reply-to; s=corp-2019-08-05; bh=gynHDIkXILoagB1T02HBt+3WzSygRnB3EGLvmFYZvxY=; b=Khip842ql87XXQ+4/zltvyUPV1ELcgnoS4nb6fGrrs/Y4eTfFy6bMHurv9XJPtntqt1l KEeLl3z+Tb8xZlXOxGSrgobahrkvahkuuakHnu8vCZZRGxGYb3qrLu0angiZqxgeDBbJ wwtOKrF8blypKmkt6mulIK2JSU1vb6XR6Ygj3H9saH4NIYkHXmlnntLvMGf21V+boyv7 5zyOlKdE76xBhVlSQrDbL15UDCtG0mD97rmizLC1OlLpYj7vcmSLziHLM9586YeAe+ak HLMhOfqNtjIVL5wC/g9fy0g6/OHpXw5q5SIc081byWAj6jwB3snB12n7fasvrjN89dK3 RQ== Received: from aserp3030.oracle.com (aserp3030.oracle.com [141.146.126.71]) by aserp2120.oracle.com with ESMTP id 2x5y0psh2x-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 02 Jan 2020 21:17:36 +0000 Received: from pps.filterd (aserp3030.oracle.com [127.0.0.1]) by aserp3030.oracle.com (8.16.0.27/8.16.0.27) with SMTP id 002LCNKW034525; Thu, 2 Jan 2020 21:15:35 GMT Received: from userv0122.oracle.com (userv0122.oracle.com [156.151.31.75]) by aserp3030.oracle.com with ESMTP id 2x9jm6m07k-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 02 Jan 2020 21:15:35 +0000 Received: from abhmp0018.oracle.com (abhmp0018.oracle.com [141.146.116.24]) by userv0122.oracle.com (8.14.4/8.14.4) with ESMTP id 002LFPnO026383; Thu, 2 Jan 2020 21:15:26 GMT Received: from localhost (/10.145.178.64) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 02 Jan 2020 13:15:24 -0800 Date: Thu, 2 Jan 2020 13:15:23 -0800 From: "Darrick J. Wong" To: Arnd Bergmann Cc: linux-xfs@vger.kernel.org, Christoph Hellwig , y2038@lists.linaro.org, linux-kernel@vger.kernel.org, Brian Foster , Carlos Maiolino , Pavel Reichl , Dave Chinner , Allison Collins , Eric Sandeen , Jan Kara , Tetsuo Handa Subject: Re: [PATCH v3 2/2] xfs: quota: move to time64_t interfaces Message-ID: <20200102211523.GC1508633@magnolia> References: <20200102204058.2005468-1-arnd@arndb.de> <20200102204058.2005468-2-arnd@arndb.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200102204058.2005468-2-arnd@arndb.de> User-Agent: Mutt/1.9.4 (2018-02-28) X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9488 signatures=668685 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 suspectscore=0 malwarescore=0 phishscore=0 bulkscore=0 spamscore=0 mlxscore=0 mlxlogscore=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1911140001 definitions=main-2001020170 X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9488 signatures=668685 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 priorityscore=1501 malwarescore=0 suspectscore=0 phishscore=0 bulkscore=0 spamscore=0 clxscore=1011 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1911140001 definitions=main-2001020170 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Jan 02, 2020 at 09:40:46PM +0100, Arnd Bergmann wrote: > As a preparation for removing the 32-bit time_t type and > all associated interfaces, change xfs to use time64_t and > ktime_get_real_seconds() for the quota housekeeping. > > This avoids one difference between 32-bit and 64-bit kernels, > raising the theoretical limit for the quota grace period > to year 2106 on 32-bit instead of year 2038. > > Note that common user space tools using the XFS quotactl > interface instead of the generic one still use the y2038 > dates. > > To fix quotas properly, both the on-disk format and user > space still need to be changed. > > Signed-off-by: Arnd Bergmann > --- > This has a small conflict against the series at > https://www.spinics.net/lists/linux-xfs/msg35409.html > ("xfs: widen timestamps to deal with y2038") which needs > to be rebased on top of this. > > All other changes to remove time_t and get_seconds() > are now in linux-next, this is one of the last patches > needed to remove their definitions for v5.6. > > If the widened timestamps make it into v5.6, this patch > can be dropped. Not likely. :) I'll give this series a spin, Reviewed-by: Darrick J. Wong --D > --- > fs/xfs/xfs_dquot.c | 6 +++--- > fs/xfs/xfs_qm.h | 6 +++--- > fs/xfs/xfs_quotaops.c | 6 +++--- > fs/xfs/xfs_trans_dquot.c | 8 +++++--- > 4 files changed, 14 insertions(+), 12 deletions(-) > > diff --git a/fs/xfs/xfs_dquot.c b/fs/xfs/xfs_dquot.c > index 2bff21ca9d78..9cfd3209f52b 100644 > --- a/fs/xfs/xfs_dquot.c > +++ b/fs/xfs/xfs_dquot.c > @@ -137,7 +137,7 @@ xfs_qm_adjust_dqtimers( > (d->d_blk_hardlimit && > (be64_to_cpu(d->d_bcount) > > be64_to_cpu(d->d_blk_hardlimit)))) { > - d->d_btimer = cpu_to_be32(get_seconds() + > + d->d_btimer = cpu_to_be32(ktime_get_real_seconds() + > mp->m_quotainfo->qi_btimelimit); > } else { > d->d_bwarns = 0; > @@ -160,7 +160,7 @@ xfs_qm_adjust_dqtimers( > (d->d_ino_hardlimit && > (be64_to_cpu(d->d_icount) > > be64_to_cpu(d->d_ino_hardlimit)))) { > - d->d_itimer = cpu_to_be32(get_seconds() + > + d->d_itimer = cpu_to_be32(ktime_get_real_seconds() + > mp->m_quotainfo->qi_itimelimit); > } else { > d->d_iwarns = 0; > @@ -183,7 +183,7 @@ xfs_qm_adjust_dqtimers( > (d->d_rtb_hardlimit && > (be64_to_cpu(d->d_rtbcount) > > be64_to_cpu(d->d_rtb_hardlimit)))) { > - d->d_rtbtimer = cpu_to_be32(get_seconds() + > + d->d_rtbtimer = cpu_to_be32(ktime_get_real_seconds() + > mp->m_quotainfo->qi_rtbtimelimit); > } else { > d->d_rtbwarns = 0; > diff --git a/fs/xfs/xfs_qm.h b/fs/xfs/xfs_qm.h > index 7823af39008b..4e57edca8bce 100644 > --- a/fs/xfs/xfs_qm.h > +++ b/fs/xfs/xfs_qm.h > @@ -64,9 +64,9 @@ struct xfs_quotainfo { > struct xfs_inode *qi_pquotaip; /* project quota inode */ > struct list_lru qi_lru; > int qi_dquots; > - time_t qi_btimelimit; /* limit for blks timer */ > - time_t qi_itimelimit; /* limit for inodes timer */ > - time_t qi_rtbtimelimit;/* limit for rt blks timer */ > + time64_t qi_btimelimit; /* limit for blks timer */ > + time64_t qi_itimelimit; /* limit for inodes timer */ > + time64_t qi_rtbtimelimit;/* limit for rt blks timer */ > xfs_qwarncnt_t qi_bwarnlimit; /* limit for blks warnings */ > xfs_qwarncnt_t qi_iwarnlimit; /* limit for inodes warnings */ > xfs_qwarncnt_t qi_rtbwarnlimit;/* limit for rt blks warnings */ > diff --git a/fs/xfs/xfs_quotaops.c b/fs/xfs/xfs_quotaops.c > index c7de17deeae6..38669e827206 100644 > --- a/fs/xfs/xfs_quotaops.c > +++ b/fs/xfs/xfs_quotaops.c > @@ -37,9 +37,9 @@ xfs_qm_fill_state( > tstate->flags |= QCI_SYSFILE; > tstate->blocks = ip->i_d.di_nblocks; > tstate->nextents = ip->i_d.di_nextents; > - tstate->spc_timelimit = q->qi_btimelimit; > - tstate->ino_timelimit = q->qi_itimelimit; > - tstate->rt_spc_timelimit = q->qi_rtbtimelimit; > + tstate->spc_timelimit = (u32)q->qi_btimelimit; > + tstate->ino_timelimit = (u32)q->qi_itimelimit; > + tstate->rt_spc_timelimit = (u32)q->qi_rtbtimelimit; > tstate->spc_warnlimit = q->qi_bwarnlimit; > tstate->ino_warnlimit = q->qi_iwarnlimit; > tstate->rt_spc_warnlimit = q->qi_rtbwarnlimit; > diff --git a/fs/xfs/xfs_trans_dquot.c b/fs/xfs/xfs_trans_dquot.c > index a6fe2d8dc40f..d1b9869bc5fa 100644 > --- a/fs/xfs/xfs_trans_dquot.c > +++ b/fs/xfs/xfs_trans_dquot.c > @@ -580,7 +580,7 @@ xfs_trans_dqresv( > { > xfs_qcnt_t hardlimit; > xfs_qcnt_t softlimit; > - time_t timer; > + time64_t timer; > xfs_qwarncnt_t warns; > xfs_qwarncnt_t warnlimit; > xfs_qcnt_t total_count; > @@ -635,7 +635,8 @@ xfs_trans_dqresv( > goto error_return; > } > if (softlimit && total_count > softlimit) { > - if ((timer != 0 && get_seconds() > timer) || > + if ((timer != 0 && > + ktime_get_real_seconds() > timer) || > (warns != 0 && warns >= warnlimit)) { > xfs_quota_warn(mp, dqp, > QUOTA_NL_BSOFTLONGWARN); > @@ -662,7 +663,8 @@ xfs_trans_dqresv( > goto error_return; > } > if (softlimit && total_count > softlimit) { > - if ((timer != 0 && get_seconds() > timer) || > + if ((timer != 0 && > + ktime_get_real_seconds() > timer) || > (warns != 0 && warns >= warnlimit)) { > xfs_quota_warn(mp, dqp, > QUOTA_NL_ISOFTLONGWARN); > -- > 2.20.0 >