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Message-ID: <35fb2e590511051051o16e3e763x821f12555261c4cc@mail.gmail.com>
Date: Sat, 5 Nov 2005 18:51:39 +0000
From: Jon Masters <jonmasters@gmail.com>
Reply-To: jonathan@jonmasters.org
To: Al Viro <viro@ftp.linux.org.uk>
Subject: Re: PATCH: fix-readonly-policy-use-and-floppy-ro-rw-status
Cc: Andrew Morton <akpm@osdl.org>, linux-kernel@vger.kernel.org
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On 11/5/05, Al Viro <viro@ftp.linux.org.uk> wrote:
> On Sat, Nov 05, 2005 at 06:40:28PM +0000, Jon Masters wrote:
> > And as I said, the situation as it stands leads to potential data
> > corruption but I agree with you - we need a VFS callback to handle
> > readwrite/readonly change on remount I think. Comments?

> It's not that simple.  Filesystem side of ro/rw transitions is
> messy as hell

Agreed.

> "VFS callback" won't be enough.

Although strangely enough other similar stuff in the remount path
works just fine. I can already request that a filesystem gets
remounted read-only - what's so wrong with forcing that behaviour when
I ask for an impossible combination?

Jon.
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