From: "Darrick J. Wong" <darrick.wong@oracle.com>
To: Xiao Yang <yangx.jy@cn.fujitsu.com>
Cc: fstests@vger.kernel.org, ira.weiny@intel.com, guaneryu@gmail.com
Subject: Re: [PATCH v9 1/8] common/rc: Introduce helpers for new dax mount options and FS_XFLAG_DAX
Date: Thu, 6 Aug 2020 08:16:11 -0700 [thread overview]
Message-ID: <20200806151611.GC191798@magnolia> (raw)
In-Reply-To: <20200806021342.10596-2-yangx.jy@cn.fujitsu.com>
On Thu, Aug 06, 2020 at 10:13:35AM +0800, Xiao Yang wrote:
> 1) _check_scratch_dax_mountopt() checks old/new dax mount option and
> returns a value.
> 2) _require_scratch_dax_mountopt() throws notrun if _check_scratch_dax_mountopt()
> returns a non-zero value.
> 3) _require_dax_iflag() checks FS_XFLAG_DAX.
>
> Signed-off-by: Xiao Yang <yangx.jy@cn.fujitsu.com>
Looks good to me now,
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
--D
> ---
> common/rc | 52 ++++++++++++++++++++++++++++++++++++++++++++++++++++
> 1 file changed, 52 insertions(+)
>
> diff --git a/common/rc b/common/rc
> index 1b7b2575..fa70453d 100644
> --- a/common/rc
> +++ b/common/rc
> @@ -3188,6 +3188,58 @@ _require_scratch_dax()
> _scratch_unmount
> }
>
> +# Check if dax mount options are supported
> +#
> +# $1 can be either 'dax=always' or 'dax'
> +#
> +# dax=always
> +# Check for the new dax options (dax=inode, dax=always or dax=never)
> +# by passing "dax=always".
> +# dax
> +# Check for the old dax or new dax=always by passing "dax".
> +#
> +# This only accepts 'dax=always' because dax=always, dax=inode and
> +# dax=never are always supported together. So if the other options are
> +# required checking for 'dax=always' indicates support for the other 2.
> +#
> +# Return 0 if filesystem/device supports the specified dax option.
> +# Return 1 if mount fails with the specified dax option.
> +# Return 2 if /proc/mounts shows wrong dax option.
> +_check_scratch_dax_mountopt()
> +{
> + local option=$1
> +
> + _require_scratch
> + _scratch_mkfs > /dev/null 2>&1
> +
> + _try_scratch_mount "-o $option" > /dev/null 2>&1 || return 1
> +
> + if _fs_options $SCRATCH_DEV | egrep -q "dax(=always|,|$)"; then
> + _scratch_unmount
> + return 0
> + else
> + _scratch_unmount
> + return 2
> + fi
> +}
> +
> +# Throw notrun if _check_scratch_dax_mountopt() returns a non-zero value.
> +_require_scratch_dax_mountopt()
> +{
> + local mountopt=$1
> +
> + _check_scratch_dax_mountopt "$mountopt"
> + local res=$?
> +
> + [ $res -eq 1 ] && _notrun "mount $SCRATCH_DEV with $mountopt failed"
> + [ $res -eq 2 ] && _notrun "$SCRATCH_DEV $FSTYP does not support -o $mountopt"
> +}
> +
> +_require_dax_iflag()
> +{
> + _require_xfs_io_command "chattr" "x"
> +}
> +
> # Does norecovery support by this fs?
> _require_norecovery()
> {
> --
> 2.21.0
>
>
>
next prev parent reply other threads:[~2020-08-06 18:06 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-08-06 2:13 [PATCH v9 0/8] Make fstests support new behavior of DAX Xiao Yang
2020-08-06 2:13 ` [PATCH v9 1/8] common/rc: Introduce helpers for new dax mount options and FS_XFLAG_DAX Xiao Yang
2020-08-06 15:16 ` Darrick J. Wong [this message]
2020-08-06 2:13 ` [PATCH v9 2/8] fstests: Use _require_scratch_dax_mountopt() and _require_dax_iflag() Xiao Yang
2020-08-06 2:13 ` [PATCH v9 3/8] generic/223: Don't clear MKFS_OPTION before calling _scratch_mkfs_geom() Xiao Yang
2020-08-06 2:13 ` [PATCH v9 4/8] generic/413, xfs/260: Improve format operation for PMD fault testing Xiao Yang
2020-08-06 2:13 ` [PATCH v9 5/8] xfs/260: Move and update xfs/260 Xiao Yang
2020-08-06 2:13 ` [PATCH v9 6/8] generic: Verify if statx() can qurey S_DAX flag on regular file correctly Xiao Yang
2020-08-06 2:13 ` [PATCH v9 7/8] generic: Verify the inheritance behavior of FS_XFLAG_DAX flag in various combinations Xiao Yang
2020-08-06 2:13 ` [PATCH v9 8/8] generic: Verify how to change the S_DAX flag on an existing file Xiao Yang
2020-08-07 1:45 ` Xiao Yang
2020-08-07 18:14 ` [PATCH v9 0/8] Make fstests support new behavior of DAX Ira Weiny
2020-08-09 17:12 ` Eryu Guan
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