Re: [PATCH V6 0/2] daxctl: Add support for famfs mode

[Alison Schofield]

On Tue, May 26, 2026 at 05:01:59PM +0000, John Groves wrote:
> From: John Groves <john@xxxxxxxxxx>
> 
> This series adds famfs mode support to daxctl, alongside the existing
> devdax and system-ram modes.  A daxdev is in famfs mode when it is bound
> to fsdev_dax.ko (drivers/dax/fsdev.c).  famfs is a shared,
> memory-mappable filesystem for disaggregated and CXL memory; see
> https://famfs.org for more information.
> 
> Patch 1 adds the library plumbing: mode detection helpers, an enable
> function, and the device.c reconfigure-device wiring.  Patch 2 adds a test
> that exercises mode transitions on the nfit_test emulated backend.
> 
> This series depends on the fsdev_dax kernel driver (which provides famfs
> mode) and on the famfs kernel patch series.

Thanks!
Applied to: https://github.com/pmem/ndctl/tree/pending

with minor touchup to the unit test patch:
[ as: drop -nfit suffix on test name, wrap commit lines at 70 columns ]