On Wed, Jan 10, 2018 at 07:09:00PM -0800, Richard Wareing wrote:
> To better exercise the data path code of realtime subvolumes, we will
> set rtinherit=1 during mkfs calls. For tests which this is not desired
> we introduce a _require_no_rtinherit function to opt out of this
> behavior.
>
> Signed-off-by: Richard Wareing <rwareing@xxxxxx>
> ---
> Changes since v2:
> * Removed use of RT_INHERT, instead we now simply bail from the test. Users
> will have to create two separate configs for realtime one with rtinherit=1
> in the mkfs options, one without and do separate runs to get full test
> coverage.
> * Added comments explaining reasons for _require_no_rtinherit declarations
>
> Changes since v1:
> * None
>
> common/rc | 11 +++++++++++
> tests/generic/250 | 3 +++
> tests/generic/252 | 3 +++
> tests/generic/441 | 3 +++
> tests/xfs/170 | 1 +
> 5 files changed, 21 insertions(+)
>
> diff --git a/common/rc b/common/rc
> index f5fe739..1720a72 100644
> --- a/common/rc
> +++ b/common/rc
> @@ -33,6 +33,17 @@ BC=$(which bc 2> /dev/null) || BC=
> VALID_TEST_ID="[0-9]\{3\}"
> VALID_TEST_NAME="$VALID_TEST_ID-\?[[:alnum:]-]*"
>
> +# When running tests with a realtime device configured, the realtime inherit
> +# flag will be set during mkfs via -d rtinherit=1 option. For some tests
> +# this may render the test invalid (i.e. it uses a function which is not
> +# supported by the realtime subvolume); to prevent failure these tests may
> +# disable this behavior by calling _require_no_rtinherit .
> +_require_no_rtinherit()
> +{
> + echo "$MKFS_OPTIONS" | egrep -q "rtinherit([^=]|=1)" && \
> + _notrun "rtinherit mkfs option is not supported by this test."
It's worth checking that FSTYP==xfs since this feature only exists in xfs.
--D
> +}
> +
> _require_math()
> {
> if [ -z "$BC" ]; then
> diff --git a/tests/generic/250 b/tests/generic/250
> index 3c4fe6d..a8fd97e 100755
> --- a/tests/generic/250
> +++ b/tests/generic/250
> @@ -48,6 +48,9 @@ _require_scratch
> _require_dm_target error
> _require_xfs_io_command "falloc"
> _require_odirect
> +# This test uses "dm" without taking into account the data could be on
> +# realtime subvolume, thus the test will fail with rtinherit=1
> +_require_no_rtinherit
>
> rm -f $seqres.full
>
> diff --git a/tests/generic/252 b/tests/generic/252
> index ffedd56..b506d59 100755
> --- a/tests/generic/252
> +++ b/tests/generic/252
> @@ -47,6 +47,9 @@ _supported_os Linux
> _require_scratch
> _require_dm_target error
> _require_xfs_io_command "falloc"
> +# This test uses "dm" without taking into account the data could be on
> +# realtime subvolume, thus the test will fail with rtinherit=1
> +_require_no_rtinherit
> _require_aiodio "aiocp"
> AIO_TEST="src/aio-dio-regress/aiocp"
>
> diff --git a/tests/generic/441 b/tests/generic/441
> index 075d877..5fbfece 100755
> --- a/tests/generic/441
> +++ b/tests/generic/441
> @@ -47,6 +47,9 @@ _cleanup()
> # real QA test starts here
> _supported_os Linux
> _require_scratch
> +# This test uses "dm" without taking into account the data could be on
> +# realtime subvolume, thus the test will fail with rtinherit=1
> +_require_no_rtinherit
>
> # Generally, we want to avoid journal errors on the extended testcase. Only
> # unset the -s flag if we have a logdev
> diff --git a/tests/xfs/170 b/tests/xfs/170
> index c5ae8e4..6deef1b 100755
> --- a/tests/xfs/170
> +++ b/tests/xfs/170
> @@ -50,6 +50,7 @@ _supported_fs xfs
> _supported_os Linux
>
> _require_scratch
> +_require_no_rtinherit
>
> _check_filestreams_support || _notrun "filestreams not available"
>
> --
> 2.9.5
>
> --
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