diff options
Diffstat (limited to 'fs/xfs/libxfs/xfs_format.h')
| -rw-r--r-- | fs/xfs/libxfs/xfs_format.h | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/fs/xfs/libxfs/xfs_format.h b/fs/xfs/libxfs/xfs_format.h index 159182978ebc..932984737e07 100644 --- a/fs/xfs/libxfs/xfs_format.h +++ b/fs/xfs/libxfs/xfs_format.h @@ -1262,6 +1262,28 @@ static inline void xfs_dinode_put_rdev(struct xfs_dinode *dip, xfs_dev_t rdev) #define XFS_DQ_GRACE_MAX ((int64_t)U32_MAX) /* + * When bigtime is enabled, we trade a few bits of precision to expand the + * expiration timeout range to match that of big inode timestamps. The grace + * periods stored in dquot 0 are not shifted, since they record an interval, + * not a timestamp. + */ +#define XFS_DQ_BIGTIME_SHIFT (2) + +/* + * Smallest possible quota expiration with big timestamps, which is + * Jan 1 00:00:01 UTC 1970. + */ +#define XFS_DQ_BIGTIMEOUT_MIN (XFS_DQ_TIMEOUT_MIN) + +/* + * Largest supported quota expiration with traditional timestamps, which is + * the largest bigtime inode timestamp, or Jul 2 20:20:25 UTC 2486. The field + * is large enough that it's possible to fit expirations up to 2514, but we + * want to keep the maximum timestamp in sync. + */ +#define XFS_DQ_BIGTIMEOUT_MAX (XFS_INO_BIGTIME_MAX) + +/* * This is the main portion of the on-disk representation of quota * information for a user. This is the q_core of the struct xfs_dquot that * is kept in kernel memory. We pad this with some more expansion room |