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	Mon, 15 Jan 2024 23:36:55 +0000
Date: Mon, 15 Jan 2024 23:36:55 +0000
From: Al Viro <viro@zeniv.linux.org.uk>
To: Bruno Haible <bruno@clisp.org>
Cc: Matthew Wilcox <willy@infradead.org>,
	Evgeniy Dushistov <dushistov@mail.ru>,
	linux-fsdevel@vger.kernel.org
Subject: Re: ufs filesystem cannot mount NetBSD/arm64 partition
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Sender: Al Viro <viro@ftp.linux.org.uk>

On Tue, Jan 16, 2024 at 12:29:54AM +0100, Bruno Haible wrote:
> Matthew Wilcox wrote:
> > Wouldn't surprise me if netbsd/arm64 had decided to go with 64kB
> > PAGE_SIZE and 8kB fragments ...
> 
> getpagesize() on NetBSD 9.3/arm64 is 4096.

It's not impossible to do on Linux side; the main trouble is in the
Cthulhu-awful set of helpers that needs to be untangled before we
can realistically do any kind of massage in there.  What I want to
do one of those days is to do an iomap conversion and see how well
does that work.  ETOOMUCHOTHERSHITE...