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Date: Tue, 28 Nov 2023 22:21:55 -0800
From: "Darrick J. Wong" <djwong@kernel.org>
To: Christoph Hellwig <hch@infradead.org>
Cc: linux-xfs@vger.kernel.org
Subject: Re: [PATCH 2/6] xfs: check rt summary file geometry more thoroughly
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In-Reply-To: <ZWbUvcVIBROrHVOh@infradead.org>

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