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authorDarrick J. Wong <darrick.wong@oracle.com>2020-08-17 09:59:51 -0700
committerDarrick J. Wong <darrick.wong@oracle.com>2020-09-15 20:52:41 -0700
commit4ea1ff3b49681af45a4a8c14baf7f0b3d11aa74a (patch)
treeae134f90be95a17de1c7b2b632041559756f05a2 /fs/xfs/xfs_trans_dquot.c
parentf93e5436f0ee5a85eaa3a86d2614d215873fb18b (diff)
downloadlinux-4ea1ff3b49681af45a4a8c14baf7f0b3d11aa74a.tar.gz
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_trans_dquot.c')
-rw-r--r--fs/xfs/xfs_trans_dquot.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/fs/xfs/xfs_trans_dquot.c b/fs/xfs/xfs_trans_dquot.c
index c6ba7ef18e06..133fc6fc3edd 100644
--- a/fs/xfs/xfs_trans_dquot.c
+++ b/fs/xfs/xfs_trans_dquot.c
@@ -55,6 +55,12 @@ xfs_trans_log_dquot(
 {
 	ASSERT(XFS_DQ_IS_LOCKED(dqp));
 
+	/* Upgrade the dquot to bigtime format if possible. */
+	if (dqp->q_id != 0 &&
+	    xfs_sb_version_hasbigtime(&tp->t_mountp->m_sb) &&
+	    !(dqp->q_type & XFS_DQTYPE_BIGTIME))
+		dqp->q_type |= XFS_DQTYPE_BIGTIME;
+
 	tp->t_flags |= XFS_TRANS_DIRTY;
 	set_bit(XFS_LI_DIRTY, &dqp->q_logitem.qli_item.li_flags);
 }