From: Wouter Verhelst <w@uter.be>
To: Markus Pargmann <mpa@pengutronix.de>
Cc: Paul Clements <Paul.Clements@steeleye.com>,
nbd-general@lists.sourceforge.net, linux-kernel@vger.kernel.org,
kernel@pengutronix.de
Subject: Re: [Nbd] [RFC 4/4] nbd: Add support for nbd as root device
Date: Fri, 30 Jan 2015 00:42:54 +0100 [thread overview]
Message-ID: <20150129234254.GD15853@grep.be> (raw)
In-Reply-To: <1421156665-27318-5-git-send-email-mpa@pengutronix.de>
On Tue, Jan 13, 2015 at 02:44:25PM +0100, Markus Pargmann wrote:
> Adding support to nbd to use it as a root device. This code essentially
> provides a minimal nbd-client implementation within the kernel. It opens
> a socket and makes the negotiation with the server. Afterwards it passes
> the socket to the normal nbd-code to handle the connection.
>
> The arguments for the server are passed via module parameter. The
> module parameter has the format
> '[<SERVER_IP>:]<SERVER_PORT>/<EXPORT_NAME>'.
> SERVER_IP is optional. If it is not available it will use the
> root_server_addr transmitted through DHCP.
>
> Based on those arguments, the connection to the server is established
> and is connected to the nbd0 device. The rootdevice therefore is
> root=/dev/nbd0.
Not that I'm opposed to this, but you do realize that doing nbd-client
from initramfs or similar is possible, right? Most initramfs
implementations these days support it.
[...]
--
It is easy to love a country that is famous for chocolate and beer
-- Barack Obama, speaking in Brussels, Belgium, 2014-03-26
next prev parent reply other threads:[~2015-01-29 23:58 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-01-13 13:44 [RFC 0/4] nbd: root device support Markus Pargmann
2015-01-13 13:44 ` [RFC 1/4] nbd: Replace kthread_create with kthread_run Markus Pargmann
2015-01-13 13:44 ` [RFC 2/4] nbd: Split 'DO_IT' into three functions Markus Pargmann
2015-01-26 16:16 ` Paul Clements
2015-01-26 16:23 ` Markus Pargmann
2015-01-13 13:44 ` [RFC 3/4] nbd: Create helper functions for ioctls Markus Pargmann
2015-01-28 21:04 ` Paul Clements
2015-01-30 7:54 ` Markus Pargmann
2015-01-13 13:44 ` [RFC 4/4] nbd: Add support for nbd as root device Markus Pargmann
2015-01-20 11:51 ` Markus Pargmann
2015-01-29 23:42 ` Wouter Verhelst [this message]
2015-01-30 8:04 ` [Nbd] " Markus Pargmann
2015-01-30 17:30 ` Wouter Verhelst
2015-01-31 12:38 ` Markus Pargmann
[not found] ` <CAECXXi5+VhBeZwZ5aosc+Oc+0bCZbJZTjzYA-QTRrJCjs2NFOw@mail.gmail.com>
2015-01-31 14:43 ` Andreas Klauer
2015-01-31 15:45 ` Markus Pargmann
2015-01-31 15:00 ` Markus Pargmann
2015-01-30 18:10 ` [Nbd] " H. Peter Anvin
2015-01-31 12:08 ` Markus Pargmann
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