On Fri, Jun 30, 2017 at 6:20 AM, zhangyi (F) <yi.zhang@xxxxxxxxxx> wrote:
> Factor out helper for create an leftover whiteout,
> this is common to repeat test of whiteout check in
> different underlaying directories.
>
> Signed-off-by: zhangyi (F) <yi.zhang@xxxxxxxxxx>
Reviewed-by: Amir Goldstein <amir73il@xxxxxxxxx>
> ---
> tests/overlay/031 | 38 +++++++++++++++++++++++---------------
> 1 file changed, 23 insertions(+), 15 deletions(-)
>
> diff --git a/tests/overlay/031 b/tests/overlay/031
> index 674c11f..cb29ee5 100755
> --- a/tests/overlay/031
> +++ b/tests/overlay/031
> @@ -38,6 +38,20 @@ _cleanup()
> rm -f $tmp.*
> }
>
> +# create test directory and test file, mount overlayfs and remove
> +# testfile to create a whiteout in upper dir.
> +_create_whiteout()
> +{
> + mkdir -p $1/testdir
> + touch $1/testdir/$4
> +
> + _overlay_mount_dirs $1 $2 $3 $OVL_BASE_SCRATCH_MNT $SCRATCH_MNT
> +
> + rm -f $SCRATCH_MNT/testdir/$4
> +
> + $UMOUNT_PROG $SCRATCH_MNT
> +}
> +
> # get standard environment, filters and checks
> . ./common/rc
> . ./common/filter
> @@ -52,26 +66,20 @@ _require_scratch
> # remove all files from previous runs
> _scratch_mkfs
>
> -# create test directory and test file
> -lowerdir=$OVL_BASE_SCRATCH_MNT/$OVL_LOWER
> -upperdir=$OVL_BASE_SCRATCH_MNT/$OVL_UPPER
> -workdir=$OVL_BASE_SCRATCH_MNT/$OVL_WORK
> -mkdir -p $lowerdir/testdir
> -touch $lowerdir/testdir/a
> -
> -# mount overlayfs and remove testfile to create a whiteout
> -_scratch_mount
> +# create test directorys and whiteout
> +lowerdir=$OVL_BASE_SCRATCH_MNT/lower
> +upperdir=$OVL_BASE_SCRATCH_MNT/upper
> +workdir=$OVL_BASE_SCRATCH_MNT/workdir
> +testfile=a
> +mkdir -p $lowerdir $upperdir $workdir
>
> -rm -f $SCRATCH_MNT/testdir/a
> -
> -# unmount overlayfs but not base fs
> -$UMOUNT_PROG $SCRATCH_MNT
> +_create_whiteout $lowerdir $upperdir $workdir $testfile
>
> # clean up the lower directory and mount overlay again,
> # whiteout will expose.
> rm -rf $lowerdir/testdir
>
> -_scratch_mount
> +_overlay_mount_dirs $lowerdir $upperdir $workdir $OVL_BASE_SCRATCH_MNT $SCRATCH_MNT
>
> ls $SCRATCH_MNT/testdir
>
> @@ -84,7 +92,7 @@ rm -rf $SCRATCH_MNT/testdir 2>&1 | _filter_scratch
> $UMOUNT_PROG $SCRATCH_MNT
> touch $lowerdir/testdir
>
> -_scratch_mount
> +_overlay_mount_dirs $lowerdir $upperdir $workdir $OVL_BASE_SCRATCH_MNT $SCRATCH_MNT
>
> # try to remove test dir from overlay dir, trigger ovl_remove_and_whiteout,
> # it will not clean up the dir and lead to residue.
> --
> 2.5.0
>
--
To unsubscribe from this list: send the line "unsubscribe linux-unionfs" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
