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From: Ira Weiny <ira.weiny@intel.com>
To: Xiao Yang <yangx.jy@cn.fujitsu.com>
Cc: fstests@vger.kernel.org, darrick.wong@oracle.com
Subject: Re: [PATCH v6 1/7] common/rc: Introduce new helpers for DAX mount options and FS_XFLAG_DAX
Date: Tue, 14 Jul 2020 18:59:35 -0700
Message-ID: <20200715015935.GG3008823@iweiny-DESK2.sc.intel.com> (raw)
In-Reply-To: <20200714094009.8654-2-yangx.jy@cn.fujitsu.com>

On Tue, Jul 14, 2020 at 05:40:03PM +0800, Xiao Yang wrote:
> 1) _require_scratch_dax_mountopt() checks both old and new DAX mount option
> 2) _require_dax_iflag() checks FS_XFLAG_DAX
> 
> Signed-off-by: Xiao Yang <yangx.jy@cn.fujitsu.com>

Reviewed-by: Ira Weiny <ira.weiny@intel.com>

> ---
> 
> V5->V6:
> Simplify _require_scratch_dax_mountopt because it is enough to only check
> dax/dax=always mount option.  See the following reasons:
> 1) we cannot detect if underlying device supports dax by mounting dax=inode
>    or dax=never.
> 2) dax=always, dax=inode, dax=never are always introduced together.
> 
>  common/rc | 22 ++++++++++++++++++++++
>  1 file changed, 22 insertions(+)
> 
> diff --git a/common/rc b/common/rc
> index f17b19f2..aeec1f11 100644
> --- a/common/rc
> +++ b/common/rc
> @@ -3188,6 +3188,28 @@ _require_scratch_dax()
>  	_scratch_unmount
>  }
>  
> +# Only accept dax/dax=always mount option becasue dax=always, dax=inode
> +# and dax=never are always introduced together.
> +_require_scratch_dax_mountopt()
> +{
> +	local mountopt=$1
> +
> +	_require_scratch
> +	_scratch_mkfs > /dev/null 2>&1
> +	_try_scratch_mount "-o $mountopt" > /dev/null 2>&1 || \
> +		_notrun "mount $SCRATCH_DEV with $mountopt failed"
> +
> +	_fs_options $SCRATCH_DEV | egrep -q "dax(=always|,|$)" || \
> +		_notrun "$SCRATCH_DEV $FSTYP does not support -o $mountopt"
> +
> +	_scratch_unmount
> +}
> +
> +_require_dax_iflag()
> +{
> +	_require_xfs_io_command "chattr" "x"
> +}
> +
>  # Does norecovery support by this fs?
>  _require_norecovery()
>  {
> -- 
> 2.21.0
> 
> 
> 

  reply index

Thread overview: 29+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-07-14  9:40 [PATCH v6 0/7] Make fstests support new behavior of DAX Xiao Yang
2020-07-14  9:40 ` [PATCH v6 1/7] common/rc: Introduce new helpers for DAX mount options and FS_XFLAG_DAX Xiao Yang
2020-07-15  1:59   ` Ira Weiny [this message]
2020-07-15  3:19     ` Xiao Yang
2020-07-15  4:15       ` Ira Weiny
2020-07-15  5:55         ` Xiao Yang
2020-07-15 15:56           ` Darrick J. Wong
2020-07-15 18:00             ` Ira Weiny
2020-07-14  9:40 ` [PATCH v6 2/7] fstests: Use _require_scratch_dax_mountopt() and _require_dax_iflag() Xiao Yang
2020-07-15 16:08   ` Darrick J. Wong
2020-07-14  9:40 ` [PATCH v6 3/7] generic/223: Don't clear all mkfs options for _scratch_mkfs_geom() roughly Xiao Yang
2020-07-15  2:31   ` Ira Weiny
2020-07-15  3:12     ` Xiao Yang
2020-07-15 16:07       ` Darrick J. Wong
2020-07-16  1:36         ` Xiao Yang
2020-07-14  9:40 ` [PATCH v6 4/7] generic/413, xfs/260: Improve format operation for PMD fault testing Xiao Yang
2020-07-15 16:09   ` Darrick J. Wong
2020-07-14  9:40 ` [PATCH v6 5/7] xfs/260: Move and update xfs/260 Xiao Yang
2020-07-15 16:10   ` Darrick J. Wong
2020-07-14  9:40 ` [PATCH v6 6/7] generic: Verify if statx() can qurey S_DAX flag on regular file correctly Xiao Yang
2020-07-14  9:40 ` [PATCH v6 7/7] generic: Verify the inheritance behavior of FS_XFLAG_DAX flag in various combinations Xiao Yang
2020-07-15  2:48   ` Ira Weiny
2020-07-15  5:39     ` Xiao Yang
2020-07-15  8:10       ` Xiao Yang
2020-07-15 16:43         ` Xiao Yang
2020-07-15  9:44       ` Xiao Yang
2020-07-15 16:19         ` Darrick J. Wong
2020-07-15 16:33           ` Xiao Yang
2020-07-15 18:18             ` Ira Weiny

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