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Date: Wed, 12 Dec 2001 09:51:22 +0900
Message-ID: <y9k945x1.wl@nisaaru.dvs.cs.fujitsu.co.jp>
From: Tachino Nobuhiro <tachino@open.nm.fujitsu.co.jp>
To: Linus Torvalds <torvalds@transmeta.com>
Cc: Tachino Nobuhiro <tachino@open.nm.fujitsu.co.jp>,
        GOTO Masanori <gotom@debian.org>, <marcelo@conectiva.com.br>,
        <linux-kernel@vger.kernel.org>, <andrea@suse.de>
Subject: Re: [PATCH] direct IO breaks root filesystem
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At Tue, 11 Dec 2001 16:34:15 -0800 (PST),
Linus Torvalds wrote:
> 
> 
> On Wed, 12 Dec 2001, Tachino Nobuhiro wrote:
> >
> >   Your patch will break Goto's fix because mapping->host does not have
> > correct i_mode.
> 
> Note that Goto's fix really is quite _fundamentally_ broken. Don't use it.
> 

OK. 

But my patch fixes another bug. Current /dev/ram* does not return -ENOSPC
at the end of device size because generic_file_write() also checks whether
mapping->host is a block device. So I think the patch is required.
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