diff options
| author | Darrick J. Wong <darrick.wong@oracle.com> | 2020-08-17 09:59:51 -0700 |
|---|---|---|
| committer | Darrick J. Wong <darrick.wong@oracle.com> | 2020-09-15 20:52:41 -0700 |
| commit | 4ea1ff3b49681af45a4a8c14baf7f0b3d11aa74a (patch) | |
| tree | ae134f90be95a17de1c7b2b632041559756f05a2 /fs/xfs/libxfs/xfs_dquot_buf.c | |
| parent | f93e5436f0ee5a85eaa3a86d2614d215873fb18b (diff) | |
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/libxfs/xfs_dquot_buf.c')
| -rw-r--r-- | fs/xfs/libxfs/xfs_dquot_buf.c | 21 |
1 files changed, 19 insertions, 2 deletions
diff --git a/fs/xfs/libxfs/xfs_dquot_buf.c b/fs/xfs/libxfs/xfs_dquot_buf.c index cf85bad8a894..6766417d5ba4 100644 --- a/fs/xfs/libxfs/xfs_dquot_buf.c +++ b/fs/xfs/libxfs/xfs_dquot_buf.c @@ -69,6 +69,13 @@ xfs_dquot_verify( ddq_type != XFS_DQTYPE_GROUP) return __this_address; + if ((ddq->d_type & XFS_DQTYPE_BIGTIME) && + !xfs_sb_version_hasbigtime(&mp->m_sb)) + return __this_address; + + if ((ddq->d_type & XFS_DQTYPE_BIGTIME) && !ddq->d_id) + return __this_address; + if (id != -1 && id != be32_to_cpu(ddq->d_id)) return __this_address; @@ -295,7 +302,12 @@ xfs_dquot_from_disk_ts( struct xfs_disk_dquot *ddq, __be32 dtimer) { - return be32_to_cpu(dtimer); + uint32_t t = be32_to_cpu(dtimer); + + if (t != 0 && (ddq->d_type & XFS_DQTYPE_BIGTIME)) + return xfs_dq_bigtime_to_unix(t); + + return t; } /* Convert an incore timer value into an on-disk timer value. */ @@ -304,5 +316,10 @@ xfs_dquot_to_disk_ts( struct xfs_dquot *dqp, time64_t timer) { - return cpu_to_be32(timer); + uint32_t t = timer; + + if (timer != 0 && (dqp->q_type & XFS_DQTYPE_BIGTIME)) + t = xfs_dq_unix_to_bigtime(timer); + + return cpu_to_be32(t); } |