From: Markus Pargmann <mpa@pengutronix.de>
To: Andreas Klauer <Andreas.Klauer@metamorpher.de>
Cc: Paul Clements <paul.clements@us.sios.com>,
"nbd-general@lists.sourceforge.net"
<nbd-general@lists.sourceforge.net>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"kernel@pengutronix.de" <kernel@pengutronix.de>,
Wouter Verhelst <w@uter.be>
Subject: Re: [Nbd] [RFC 4/4] nbd: Add support for nbd as root device
Date: Sat, 31 Jan 2015 16:45:00 +0100 [thread overview]
Message-ID: <20150131154500.GK16879@pengutronix.de> (raw)
In-Reply-To: <20150131144316.GA4328@EIS>
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Hi,
On Sat, Jan 31, 2015 at 03:43:16PM +0100, Andreas Klauer wrote:
> On Sat, Jan 31, 2015 at 08:52:18AM -0500, Paul Clements wrote:
> > The pid is also used to break a hung connection. See nbd_xmit_timeout.
>
> I'm using the pid to find the first free NBD device...
>
> If it's going away I guess I'll have to stick to /proc/partitions...?
> Although last time I tried, it did not work too well.
This was just an idea I am thinking about.
If it is deprecated, it would still be around for a while. And my first
idea was to replace it with other information that are not internal,
like 'connected' which would be a boolean type.
>
> (discussion on the NBD list, March 2014, "How to find a free NBD device")
Yes some better non-racy way to find a free nbd would be good.
Best regards,
Markus
--
Pengutronix e.K. | |
Industrial Linux Solutions | http://www.pengutronix.de/ |
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next prev parent reply other threads:[~2015-01-31 15:45 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 ` [Nbd] " Wouter Verhelst
2015-01-30 8:04 ` 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 [this message]
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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