On Tue, Aug 18, 2020 at 2:23 AM Darrick J. Wong <darrick.wong@xxxxxxxxxx> wrote:
>
> From: Darrick J. Wong <darrick.wong@xxxxxxxxxx>
>
> Allow formatting with large timestamps.
>
> Signed-off-by: Darrick J. Wong <darrick.wong@xxxxxxxxxx>
Reviewed-by: Amir Goldstein <amir73il@xxxxxxxxx>
Other than one comment below...
> ---
> man/man8/mkfs.xfs.8 | 16 ++++++++++++++++
> mkfs/xfs_mkfs.c | 24 +++++++++++++++++++++++-
> 2 files changed, 39 insertions(+), 1 deletion(-)
>
>
> diff --git a/man/man8/mkfs.xfs.8 b/man/man8/mkfs.xfs.8
> index 082f3ab6c063..7434b9f2b4cd 100644
> --- a/man/man8/mkfs.xfs.8
> +++ b/man/man8/mkfs.xfs.8
> @@ -154,6 +154,22 @@ valid
> are:
> .RS 1.2i
> .TP
> +.BI bigtime= value
> +This option enables filesystems that can handle inode timestamps from December
> +1901 to July 2486, and quota timer expirations from January 1970 to July 2486.
> +The value is either 0 to disable the feature, or 1 to enable large timestamps.
> +.IP
> +If this feature is not enabled, the filesystem can only handle timestamps from
> +December 1901 to January 2038, and quota timers from January 1970 to February
> +2106.
> +.IP
> +By default,
> +.B mkfs.xfs
> +will not enable this feature.
> +If the option
> +.B \-m crc=0
> +is used, the large timestamp feature is not supported and is disabled.
> +.TP
> .BI crc= value
> This is used to create a filesystem which maintains and checks CRC information
> in all metadata objects on disk. The value is either 0 to disable the feature,
> diff --git a/mkfs/xfs_mkfs.c b/mkfs/xfs_mkfs.c
> index 037246effd70..f9f78a020092 100644
> --- a/mkfs/xfs_mkfs.c
> +++ b/mkfs/xfs_mkfs.c
> @@ -120,6 +120,7 @@ enum {
> M_RMAPBT,
> M_REFLINK,
> M_INOBTCNT,
> + M_BIGTIME,
> M_MAX_OPTS,
> };
>
> @@ -667,6 +668,7 @@ static struct opt_params mopts = {
> [M_RMAPBT] = "rmapbt",
> [M_REFLINK] = "reflink",
> [M_INOBTCNT] = "inobtcount",
> + [M_BIGTIME] = "bigtime",
> },
> .subopt_params = {
> { .index = M_CRC,
> @@ -703,6 +705,12 @@ static struct opt_params mopts = {
> .maxval = 1,
> .defaultval = 1,
> },
> + { .index = M_BIGTIME,
> + .conflicts = { { NULL, LAST_CONFLICT } },
> + .minval = 0,
> + .maxval = 1,
> + .defaultval = 1,
.defaultval = 0 ?
Thanks,
Amir.
