# Re: \[PATCH v8 03/12\] selftests: add tests\_sysfs module

- From: Miroslav Benes \<mbenes@suse.cz\>
- Date: 2021-10-07 14:23:29 
- List: linux-block
- Page: https://ratatoskr.run/linux-block/2021/10/215548
- Thread: https://ratatoskr.run/linux-doc/2021/09/215052/t.md

```text
On Mon, 27 Sep 2021, Luis Chamberlain wrote:

> This adds a new selftest module which can be used to test sysfs, which
> would otherwise require using an existing driver. This lets us muck
> with a template driver to test breaking things without affecting
> system behaviour or requiring the dependencies of a real device
> driver.
> 
> A series of 28 tests are added. Support for using two device types are
> supported:
> 
>   * misc
>   * block

I suppose the selftests will run for more than 45 seconds (default 
kselftest timeout), so you probably also want to set timeout to something 
sensible in tools/testing/selftests/sysfs/settings file (0 would disable 
it).

Miroslav
```