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| 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/xfs_dquot.c | |
| parent | f93e5436f0ee5a85eaa3a86d2614d215873fb18b (diff) | |
| download | linux-4ea1ff3b49681af45a4a8c14baf7f0b3d11aa74a.tar.gz linux-4ea1ff3b49681af45a4a8c14baf7f0b3d11aa74a.tar.bz2 linux-4ea1ff3b49681af45a4a8c14baf7f0b3d11aa74a.zip | |
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_dquot.c')
| -rw-r--r-- | fs/xfs/xfs_dquot.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/fs/xfs/xfs_dquot.c b/fs/xfs/xfs_dquot.c index 8066bb671e3a..3072814e407d 100644 --- a/fs/xfs/xfs_dquot.c +++ b/fs/xfs/xfs_dquot.c @@ -223,6 +223,8 @@ xfs_qm_init_dquot_blk( d->dd_diskdq.d_version = XFS_DQUOT_VERSION; d->dd_diskdq.d_id = cpu_to_be32(curid); d->dd_diskdq.d_type = type; + if (curid > 0 && xfs_sb_version_hasbigtime(&mp->m_sb)) + d->dd_diskdq.d_type |= XFS_DQTYPE_BIGTIME; if (xfs_sb_version_hascrc(&mp->m_sb)) { uuid_copy(&d->dd_uuid, &mp->m_sb.sb_meta_uuid); xfs_update_cksum((char *)d, sizeof(struct xfs_dqblk), @@ -1179,6 +1181,14 @@ xfs_qm_dqflush_check( !dqp->q_rtb.timer) return __this_address; + /* bigtime flag should never be set on root dquots */ + if (dqp->q_type & XFS_DQTYPE_BIGTIME) { + if (!xfs_sb_version_hasbigtime(&dqp->q_mount->m_sb)) + return __this_address; + if (dqp->q_id == 0) + return __this_address; + } + return NULL; } |