Re: [PATCH 2/6] xfs: check rt summary file geometry more thoroughly

Darrick J. Wong
2023-11-29T06:21:56Z

On Tue, Nov 28, 2023 at 10:05:49PM -0800, Christoph Hellwig wrote:
> On Tue, Nov 28, 2023 at 03:30:09PM -0800, Darrick J. Wong wrote:
> > LOL so I just tried a 64k rt volume with a 1M rextsize and mkfs crashed.
> > I guess I'll go sort out what's going on there...
>
> I think we should just reject rt device size < rtextsize configs in
> the kernel and all tools.

"But that could break old weirdass customer filesystems."

The design of rtgroups prohibits that, so we're ok going forward.

--D