Re: [PATCH 0/2] xfs: add additional zoned sysfs attributes

[Niklas Cassel <cassel@kernel.org>]

On Wed, Apr 22, 2026 at 08:02:28AM +0200, Christoph Hellwig wrote:
> On Mon, Apr 20, 2026 at 03:50:12PM +0200, Niklas Cassel wrote:
> > Hello all,
> > 
> > This series adds:
> > /sys/fs/xfs/<dev>/zoned/nr_free_zones
> > and
> > /sys/fs/xfs/<dev>/zoned/zonegc_required
> > 
> > These values are already available in /proc/<pid>/mountstats, however,
> > mountstats will unconditionally print the stats for all mounted zoned XFS
> > filesystems.
> > 
> > Making the same information in /sys/fs/xfs/<dev>/zoned/ makes it easier
> > for monitoring tools software to read the values for a specific filesystem.
> 
> What monitoring tools software are you aiming for?

Like Damien said: home made benchmarking scripts that sample these values
in order to know when to kick off a new benchmark, such that each benchmark
will have as similar starting conditions as possible wrt. GC.


Kind regards,
Niklas