From: Christoph Hellwig <hch@infradead.org>
To: "Adam J. Richter" <adam@yggdrasil.com>
Cc: aia21@cantab.net, kernel@bonin.ca, linux-kernel@vger.kernel.org
Subject: Re: Loop devices under NTFS
Date: Tue, 27 Aug 2002 14:27:50 +0100 [thread overview]
Message-ID: <20020827142750.A26266@infradead.org> (raw)
In-Reply-To: <200208271323.GAA04833@adam.yggdrasil.com>; from adam@yggdrasil.com on Tue, Aug 27, 2002 at 06:23:48AM -0700
On Tue, Aug 27, 2002 at 06:23:48AM -0700, Adam J. Richter wrote:
> Are you complaining about something in loop.c,
Yes. Anything but the filesystem itself and the generic read/write path
is not supposed to use address space operations directly.
> >Note that there is a more severe bug in loop.c: it's abuse of
> >do_generic_file_read.
>
> Could you please elaborate on this and give an example where
> it return incorrect data, deadlock, generate a kernel oops, etc.?
Depending on the filesystem implementation _anything_ may happen.
With current intree filesystems the only real life problem is that
it doesn't work on certain filesystems. I think at least the network
filesystems might be oopsable with some preparation.
next prev parent reply other threads:[~2002-08-27 13:23 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-08-27 13:23 Adam J. Richter
2002-08-27 13:27 ` Christoph Hellwig [this message]
-- strict thread matches above, loose matches on Subject: below --
2002-08-29 11:00 Adam J. Richter
2002-08-29 11:27 ` Anton Altaparmakov
2002-08-29 15:16 ` Jari Ruusu
2002-08-28 9:17 Adam J. Richter
2002-08-28 1:49 Adam J. Richter
2002-08-28 8:36 ` Urban Widmark
2002-08-28 1:06 Adam J. Richter
2002-08-28 15:50 ` Andre Bonin
2002-08-28 16:41 ` Christoph Hellwig
2002-08-27 23:42 Adam J. Richter
2002-08-27 23:59 ` Christoph Hellwig
2002-08-27 13:53 Adam J. Richter
2002-08-27 17:04 ` Christoph Hellwig
2002-08-27 17:26 ` Jan Harkes
2002-08-27 12:40 Adam J. Richter
2002-08-27 12:46 ` Anton Altaparmakov
2002-08-27 13:15 ` Christoph Hellwig
2002-08-27 4:48 Andre Bonin
2002-08-27 9:17 ` Anton Altaparmakov
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