diff options
| author | Darrick J. Wong <darrick.wong@oracle.com> | 2020-08-17 09:59:07 -0700 |
|---|---|---|
| committer | Darrick J. Wong <darrick.wong@oracle.com> | 2020-09-15 20:52:41 -0700 |
| commit | f93e5436f0ee5a85eaa3a86d2614d215873fb18b (patch) | |
| tree | ce60a83ad06e42b199e2ebb14fa62e33be7f6955 /fs/xfs/libxfs/xfs_trans_inode.c | |
| parent | 30e05599219f3c15bd5f24190af0e33cdb4a00e5 (diff) | |
xfs: widen ondisk inode timestamps to deal with y2038+
Redesign the ondisk inode timestamps to be a simple unsigned 64-bit
counter of nanoseconds since 14 Dec 1901 (i.e. the minimum time in the
32-bit unix time epoch). This enables us to handle dates up to 2486,
which solves the y2038 problem.
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Gao Xiang <hsiangkao@redhat.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Diffstat (limited to 'fs/xfs/libxfs/xfs_trans_inode.c')
| -rw-r--r-- | fs/xfs/libxfs/xfs_trans_inode.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/fs/xfs/libxfs/xfs_trans_inode.c b/fs/xfs/libxfs/xfs_trans_inode.c index 18c391d35a3b..90f1d5645052 100644 --- a/fs/xfs/libxfs/xfs_trans_inode.c +++ b/fs/xfs/libxfs/xfs_trans_inode.c @@ -132,6 +132,17 @@ xfs_trans_log_inode( } /* + * If we're updating the inode core or the timestamps and it's possible + * to upgrade this inode to bigtime format, do so now. + */ + if ((flags & (XFS_ILOG_CORE | XFS_ILOG_TIMESTAMP)) && + xfs_sb_version_hasbigtime(&ip->i_mount->m_sb) && + !xfs_inode_has_bigtime(ip)) { + ip->i_d.di_flags2 |= XFS_DIFLAG2_BIGTIME; + flags |= XFS_ILOG_CORE; + } + + /* * Record the specific change for fdatasync optimisation. This allows * fdatasync to skip log forces for inodes that are only timestamp * dirty. |