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From: Amir Goldstein <amir73il@gmail.com>
To: "Darrick J. Wong" <darrick.wong@oracle.com>
Cc: Eryu Guan <guaneryu@gmail.com>,
	linux-xfs <linux-xfs@vger.kernel.org>,
	fstests <fstests@vger.kernel.org>,
	Deepa Dinamani <deepa.kernel@gmail.com>
Subject: Re: [PATCH 3/4] xfs: detect time limits from filesystem
Date: Thu, 29 Oct 2020 12:47:32 +0200	[thread overview]
Message-ID: <CAOQ4uxhNpej-U-7NjA1VuU3OH=ttT7npwYrzODqThdta5Qka1A@mail.gmail.com> (raw)
In-Reply-To: <160382545348.1203848.12227735405144915534.stgit@magnolia>

On Wed, Oct 28, 2020 at 10:24 PM Darrick J. Wong
<darrick.wong@oracle.com> wrote:
>
> From: Darrick J. Wong <darrick.wong@oracle.com>
>
> Teach fstests to extract timestamp limits of a filesystem using the new
> xfs_db timelimit command.
>
> Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
> ---
>  common/rc         |    2 +-
>  common/xfs        |   14 ++++++++++++++
>  tests/xfs/911     |   44 ++++++++++++++++++++++++++++++++++++++++++++
>  tests/xfs/911.out |   15 +++++++++++++++
>  tests/xfs/group   |    1 +
>  5 files changed, 75 insertions(+), 1 deletion(-)
>  create mode 100755 tests/xfs/911
>  create mode 100644 tests/xfs/911.out
>
>
> diff --git a/common/rc b/common/rc
> index 41f93047..162d957a 100644
> --- a/common/rc
> +++ b/common/rc
> @@ -2029,7 +2029,7 @@ _filesystem_timestamp_range()
>                 echo "0 $u32max"
>                 ;;
>         xfs)
> -               echo "$s32min $s32max"
> +               _xfs_timestamp_range "$device"
>                 ;;
>         btrfs)
>                 echo "$s64min $s64max"
> diff --git a/common/xfs b/common/xfs
> index e548a0a1..19ccee03 100644
> --- a/common/xfs
> +++ b/common/xfs
> @@ -994,3 +994,17 @@ _require_xfs_scratch_inobtcount()
>                 _notrun "inobtcount not supported by scratch filesystem type: $FSTYP"
>         _scratch_unmount
>  }
> +
> +_xfs_timestamp_range()
> +{
> +       local use_db=0
> +       local dbprog="$XFS_DB_PROG $device"
> +       test "$device" = "$SCRATCH_DEV" && dbprog=_scratch_xfs_db
> +
> +       $dbprog -f -c 'help timelimit' | grep -v -q 'not found' && use_db=1
> +       if [ $use_db -eq 0 ]; then
> +               echo "-$((1<<31)) $(((1<<31)-1))"

This embodies an assumption that the tested filesystem does not have
bigtime enabled if xfs_db tool is not uptodate.
Maybe it makes sense, but it may be safer to return "-1 -1" and not_run
generic/402 if xfs_db is not uptodate, perhaps with an extra message
hinting the user to upgrade xfs_db.

Thanks,
Amir.

  reply	other threads:[~2020-10-29 10:47 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-10-27 19:03 [PATCH RFC v6 0/4] xfstests: widen timestamps to deal with y2038+ Darrick J. Wong
2020-10-27 19:04 ` [PATCH 1/4] generic: check userspace handling of extreme timestamps Darrick J. Wong
2020-10-29 10:34   ` Amir Goldstein
2020-10-29 21:00     ` Darrick J. Wong
2020-10-29 21:40       ` Amir Goldstein
2020-10-29 21:59         ` Darrick J. Wong
2020-10-27 19:04 ` [PATCH 2/4] xfs/122: add legacy timestamps to ondisk checker Darrick J. Wong
2020-10-29 11:28   ` Amir Goldstein
2020-10-29 18:28     ` Darrick J. Wong
2020-10-27 19:04 ` [PATCH 3/4] xfs: detect time limits from filesystem Darrick J. Wong
2020-10-29 10:47   ` Amir Goldstein [this message]
2020-10-29 18:27     ` Darrick J. Wong
2020-10-29 18:56       ` Amir Goldstein
2020-10-27 19:04 ` [PATCH 4/4] xfs: test upgrading filesystem to bigtime Darrick J. Wong
2020-10-29 13:06   ` Amir Goldstein
2020-10-29 18:22     ` Darrick J. Wong
  -- strict thread matches above, loose matches on Subject: below --
2021-04-21  0:23 [PATCHSET v4 0/4] fstests: widen timestamps to deal with y2038+ Darrick J. Wong
2021-04-21  0:23 ` [PATCH 3/4] xfs: detect time limits from filesystem Darrick J. Wong
2021-04-22 21:16   ` Allison Henderson
2021-03-31  1:08 [PATCHSET 0/4] fstests: widen timestamps to deal with y2038+ Darrick J. Wong
2021-03-31  1:08 ` [PATCH 3/4] xfs: detect time limits from filesystem Darrick J. Wong
2020-08-17 23:00 [PATCH RFC 0/4] xfstests: widen timestamps to deal with y2038 Darrick J. Wong
2020-08-17 23:01 ` [PATCH 3/4] xfs: detect time limits from filesystem Darrick J. Wong

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