Re: [PATCH 4/4] generic/60[78]: ensure the initial DAX file flag state before test

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On 03 Mar 2021 at 04:52, Darrick J. Wong wrote:
> From: Darrick J. Wong <djwong@xxxxxxxxxx>
>
> Since this test checks the behaviors of both the in-core S_DAX flag and
> the ondisk FS_XFLAG_DAX inode flags, it must be careful about the
> initial state of the filesystem w.r.t. the inode flag.
>
> Make sure that the root directory does /not/ have the inode flag set
> before we begin testing, so that the initial state doesn't throw off
> inheritance testing.

If $MKFS_OPTIONS has daxinherit=1 option then this will cause all the inodes
created in the new filesystem to have the corresponding flag set. Hence the
patch is correct.

Reviewed-by: Chandan Babu R <chandanrlinux@xxxxxxxxx>

>
> Signed-off-by: Darrick J. Wong <djwong@xxxxxxxxxx>
> ---
>  tests/generic/607 |    4 ++++
>  tests/generic/608 |    3 +++
>  2 files changed, 7 insertions(+)
>
>
> diff --git a/tests/generic/607 b/tests/generic/607
> index dd6dbd65..ba7da11b 100755
> --- a/tests/generic/607
> +++ b/tests/generic/607
> @@ -156,6 +156,10 @@ do_xflag_tests()
>  	local option=$1
>
>  	_scratch_mount "$option"
> +
> +	# Make sure the root dir doesn't have FS_XFLAG_DAX set before we start.
> +	chattr -x $SCRATCH_MNT &>> $seqres.full
> +
>  	cd $SCRATCH_MNT
>
>  	for i in $(seq 1 5); do
> diff --git a/tests/generic/608 b/tests/generic/608
> index dd89d91c..13a751d7 100755
> --- a/tests/generic/608
> +++ b/tests/generic/608
> @@ -98,6 +98,9 @@ do_tests()
>
>  	_scratch_mount "$mount_option"
>
> +	# Make sure the root dir doesn't have FS_XFLAG_DAX set before we start.
> +	chattr -x $SCRATCH_MNT &>> $seqres.full
> +
>  	test_drop_caches
>
>  	test_cycle_mount "$cycle_mount_option"


--
chandan



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