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 <arnd@xxxxxxxx> > --- > 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 <darrick.wong@xxxxxxxxxx> --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 >
