Re: [RFC v1 0/4] xfs: Add support to shrink multiple empty rtgroups

Christoph Hellwig
2026-03-18T15:20:14Z

On Wed, Mar 18, 2026 at 08:13:28PM +0530, Nirjhar Roy (IBM) wrote:
> I am preparing a v2 incorporating all the initial review feedback received
> so far. In parallel, I am looking into adding shrinkfs support for zoned
> XFS  -  however, it would be great if we can discuss the current design and
> get a full review of the changes so far to get this work (shrinkfs for
> non-zoned realtime groups) into proper shape for the upcoming merge window
> first and submit zoned XFS shrinkfs support separately afterward. Do you
> think that make sense?

What is your plan for actually migrating data out of the to be shrunk
region, which is really the deal breaker to make this useful. Outside
of that zone support should be really trivial as it just means doing a
little less work.