[PATCH blktests 07/11] nvme/rc: introduce NVMET_BLKDEV_TYPES

[Daniel Wagner]

On Thu, Apr 11, 2024 at 08:12:24PM +0900, Shin'ichiro Kawasaki wrote:
> Some of the test cases in nvme test group do exact same test for two
> blkdev types: deice type and file type. Except for this difference, the
> test cases are pure duplication. It is desired to avoid the duplication.
> When the duplication is avoided, still it is required to control which
> condition to run the test.
> 
> To avoid the duplication and also to allow the blkdev type control,
> introduce a new configuration parameter NVMET_BLKDEV_TYPES. This is an
> array to hold default values (device file). Also add the helper function
> _set_nvme_trtype_and_nvmet_blkdev_type(). It sets up nvmet_blkdev_type
> variable for each test case run from NVMET_BLKDEV_TYPES. It also sets
> nvme_trtype from NVMET_TR_TYPES.
> 
> When NVMET_BLKDEV_TYPES and NVMET_TR_TYPES are set as follows, the test
> case with _set_nvme_trtype_and_nvmet_blkdev_type in set_condition() hook
> is called 2 x 3 = 6 times.
> 
>   NVMET_BLKDEV_TYPES=(device file)
>   NVMET_TR_TYPES=(loop rdma tcp)
> 
> Signed-off-by: Shin'ichiro Kawasaki <shinichiro.kawasaki at wdc.com>
> ---
>  Documentation/running-tests.md |  3 +++
>  tests/nvme/rc                  | 16 ++++++++++++++++
>  2 files changed, 19 insertions(+)
> 
> diff --git a/Documentation/running-tests.md b/Documentation/running-tests.md
> index ede3a81..ca11f58 100644
> --- a/Documentation/running-tests.md
> +++ b/Documentation/running-tests.md
> @@ -108,6 +108,9 @@ The NVMe tests can be additionally parameterized via environment variables.
>  - nvme_trtype: 'loop' (default), 'tcp', 'rdma' and 'fc'
>    Run the tests with the given transport. This parameter is still usable but
>    replaced with NVMET_TR_TYPES. Use NVMET_TR_TYPES instead.
> +- NVMET_BLOCK_DEV_TYPES (array)

NVMET_BLKDEV_TYPES ?