Re: [EXTERNAL] [PATCH v2 7/7] ceph: add manual reset selftests and validation harness

[Viacheslav Dubeyko <vdubeyko@redhat.com>]

On Wed, 2026-04-15 at 17:00 +0000, Alex Markuze wrote:
> Add single-client selftests and a validation wrapper for manual
> client reset.
> 
> The test set covers reset stress under concurrent metadata
> activity together with targeted corner cases for overlap,
> dirty-state handling, stale lock behavior, and unmount while reset
> is active.  A validation wrapper runs the individual stages with
> watchdog timeouts and captures the final reset status for post-run
> checks.
> 
> The stress validator checks failure_count in addition to
> last_errno so that transient mid-run reset failures are caught
> even when a later reset succeeds.
> 
> Keep the test scope intentionally focused on the shipped
> single-client reset behavior so the series includes a practical
> regression signal for the final design.
> 
> Signed-off-by: Alex Markuze <amarkuze@redhat.com>
> ---
>  MAINTAINERS                                   |   1 +
>  tools/testing/selftests/Makefile              |   1 +
>  .../selftests/filesystems/ceph/Makefile       |   7 +
>  .../selftests/filesystems/ceph/README.md      |  84 +++
>  .../filesystems/ceph/reset_corner_cases.sh    | 646 ++++++++++++++++
>  .../filesystems/ceph/reset_stress.sh          | 694 ++++++++++++++++++
>  .../filesystems/ceph/run_validation.sh        | 350 +++++++++
>  .../selftests/filesystems/ceph/settings       |   1 +
>  .../filesystems/ceph/validate_consistency.py  | 297 ++++++++
>  9 files changed, 2081 insertions(+)
>  create mode 100644 tools/testing/selftests/filesystems/ceph/Makefile
>  create mode 100644 tools/testing/selftests/filesystems/ceph/README.md
>  create mode 100755 tools/testing/selftests/filesystems/ceph/reset_corner_cases.sh
>  create mode 100755 tools/testing/selftests/filesystems/ceph/reset_stress.sh
>  create mode 100755 tools/testing/selftests/filesystems/ceph/run_validation.sh
>  create mode 100644 tools/testing/selftests/filesystems/ceph/settings
>  create mode 100755 tools/testing/selftests/filesystems/ceph/validate_consistency.py
> 

The patch is really huge. I really like that we would like to add the selftests
for CephFS kernel client. But it's impossible to review it. It needs to be split
on several patches.

Thanks,
Slava.