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authorDarrick J. Wong <darrick.wong@oracle.com>2020-08-17 19:59:51 +0300
committerDarrick J. Wong <darrick.wong@oracle.com>2020-09-16 06:52:41 +0300
commit4ea1ff3b49681af45a4a8c14baf7f0b3d11aa74a (patch)
treeae134f90be95a17de1c7b2b632041559756f05a2 /fs/xfs/xfs_qm.c
parentf93e5436f0ee5a85eaa3a86d2614d215873fb18b (diff)
downloadlinux-4ea1ff3b49681af45a4a8c14baf7f0b3d11aa74a.tar.xz
xfs: widen ondisk quota expiration timestamps to handle y2038+
Enable the bigtime feature for quota timers. We decrease the accuracy of the timers to ~4s in exchange for being able to set timers up to the bigtime maximum. Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Allison Collins <allison.henderson@oracle.com> Reviewed-by: Dave Chinner <dchinner@redhat.com>
Diffstat (limited to 'fs/xfs/xfs_qm.c')
-rw-r--r--fs/xfs/xfs_qm.c13
1 files changed, 11 insertions, 2 deletions
diff --git a/fs/xfs/xfs_qm.c b/fs/xfs/xfs_qm.c
index b83a12ecfc35..259588a4227d 100644
--- a/fs/xfs/xfs_qm.c
+++ b/fs/xfs/xfs_qm.c
@@ -661,8 +661,15 @@ xfs_qm_init_quotainfo(
/* Precalc some constants */
qinf->qi_dqchunklen = XFS_FSB_TO_BB(mp, XFS_DQUOT_CLUSTER_SIZE_FSB);
qinf->qi_dqperchunk = xfs_calc_dquots_per_chunk(qinf->qi_dqchunklen);
- qinf->qi_expiry_min = XFS_DQ_LEGACY_EXPIRY_MIN;
- qinf->qi_expiry_max = XFS_DQ_LEGACY_EXPIRY_MAX;
+ if (xfs_sb_version_hasbigtime(&mp->m_sb)) {
+ qinf->qi_expiry_min =
+ xfs_dq_bigtime_to_unix(XFS_DQ_BIGTIME_EXPIRY_MIN);
+ qinf->qi_expiry_max =
+ xfs_dq_bigtime_to_unix(XFS_DQ_BIGTIME_EXPIRY_MAX);
+ } else {
+ qinf->qi_expiry_min = XFS_DQ_LEGACY_EXPIRY_MIN;
+ qinf->qi_expiry_max = XFS_DQ_LEGACY_EXPIRY_MAX;
+ }
mp->m_qflags |= (mp->m_sb.sb_qflags & XFS_ALL_QUOTA_CHKD);
@@ -881,6 +888,8 @@ xfs_qm_reset_dqcounts(
ddq->d_bwarns = 0;
ddq->d_iwarns = 0;
ddq->d_rtbwarns = 0;
+ if (xfs_sb_version_hasbigtime(&mp->m_sb))
+ ddq->d_type |= XFS_DQTYPE_BIGTIME;
}
if (xfs_sb_version_hascrc(&mp->m_sb)) {