On Wed, Oct 09, 2019 at 04:27:57PM +0800, Zhihao Cheng wrote:
> Running generic/192 with overlayfs(Let ubifs as base fs) yields the
> following output:
>
> generic/192 - output mismatch
> QA output created by 192
> sleep for 5 seconds
> test
> +./common/rc: line 316: src/t_dir_type: No such file or directory
> delta1 is in range
> delta2 is in range
> ...
>
> When the use case fails, the call stack in generic/192 is:
>
> local unknowns=$(src/t_dir_type $dir u | wc -l) common/rc:316
> _supports_filetype common/rc:299
> _overlay_mount common/overlay:52
> _overlay_test_mount common/overlay:93
> _test_mount common/rc:407
> _test_cycle_mount generic/192:50
>
> Before _test_cycle_mount() being invoked, generic/192 executed 'cd /'
> to change work dir from 'xfstests-dev' to '/', so src/t_dir_type was not
> found.
>
> Signed-off-by: Zhihao Cheng <chengzhih...@huawei.com>
Thanks for the debug! But I think the right fix is to call t_dir_type
via "$here", i.e.
local unknowns=$($here/src/t_dir_type $dir u | wc -l)
'here', which points to the top level dir of xfstests source code, is
defined in every test in test setup, and is guaranteed not to be empty.
Thanks,
Eryu
> ---
> tests/generic/192 | 8 ++++++--
> 1 file changed, 6 insertions(+), 2 deletions(-)
>
> diff --git a/tests/generic/192 b/tests/generic/192
> index 50b3d6fd..5550f39e 100755
> --- a/tests/generic/192
> +++ b/tests/generic/192
> @@ -15,7 +15,12 @@ echo "QA output created by $seq"
> here=`pwd`
> tmp=/tmp/$$
> status=1 # failure is the default!
> -trap "exit \$status" 0 1 2 3 15
> +trap "_cleanup; exit \$status" 0 1 2 3 15
> +
> +_cleanup()
> +{
> + cd /
> +}
>
> _access_time()
> {
> @@ -46,7 +51,6 @@ sleep $delay # sleep to allow time to move on for access
> cat $testfile
> time2=`_access_time $testfile | tee -a $seqres.full`
>
> -cd /
> _test_cycle_mount
> time3=`_access_time $testfile | tee -a $seqres.full`
>
> --
> 2.13.6
>
