From: Joe Thornber <joe@fib011235813.fsnet.co.uk>
To: linux-kernel@vger.kernel.org
Cc: atai@atai.org
Subject: Re: "layered" block devices and deadlock problems
Date: Thu, 7 Mar 2002 09:53:01 +0000 [thread overview]
Message-ID: <20020307095301.GA1571@fib011235813.fsnet.co.uk> (raw)
In-Reply-To: <20020307091311.16356.qmail@web10507.mail.yahoo.com>
In-Reply-To: <20020307091311.16356.qmail@web10507.mail.yahoo.com>
On Thu, Mar 07, 2002 at 01:13:11AM -0800, Andy Tai wrote:
> Hi, I have been trying to write a kernel driver for a
> "layered" block device, that is, a virtual device
> which sits on top of actual physical devices and
> redirects read/write requests to them.
There are three examples of this that you can look at: software raid
(drivers/md/md.c), LVM (drivers/md/lvm*.c), and the device mapper
(ftp://ftp.sistina.com/pub/LVM2/device-mapper). I'm biased so would
recommend starting with dm.c in device-mapper.
- Joe
prev parent reply other threads:[~2002-03-07 9:53 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-03-07 9:13 Andy Tai
2002-03-07 9:53 ` Joe Thornber [this message]
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