From: Oliver Xymoron <oxymoron@waste.org>
To: James Bottomley <James.Bottomley@steeleye.com>
Cc: andersen@codepoet.org, linux-scsi@vger.kernel.org
Subject: Re: [PATCH] SCSI hotplug support
Date: Mon, 14 Oct 2002 14:11:06 -0500 [thread overview]
Message-ID: <20021014191106.GD11375@waste.org> (raw)
In-Reply-To: <200210141739.g9EHdYX03416@localhost.localdomain>
yOn Mon, Oct 14, 2002 at 10:39:34AM -0700, James Bottomley wrote:
> mdharm-scsi@one-eyed-alien.net said:
> > In userspace, something should get a new device notification and
> > decide what to do with the new device. Format? Mount? Ignore? But,
> > it needs a /dev node to be able to handle the device, therefore the
> > kernel must do the work up to that point.
>
> SCSI was designed with this in mind. The add/remove-single-device API works
> before a dev node exists. It expects four numeric parameters
> (host,channel,pun and lun), and will do the inquiry and attach the correct
> SCSI upper layer drivers.
Which works most of the time, but I'm pretty sure I've seen some ugly
races here when adding, oh, 40-50 devices at a go. Haven't looked at
this recently though.
--
"Love the dolphins," she advised him. "Write by W.A.S.T.E.."
next prev parent reply other threads:[~2002-10-14 19:11 UTC|newest]
Thread overview: 42+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-10-14 5:40 [PATCH] SCSI hotplug support Erik Andersen
2002-10-14 7:06 ` Matthew Dharm
2002-10-14 7:12 ` Erik Andersen
2002-10-14 15:47 ` Kurt Garloff
2002-10-14 16:19 ` Mike Anderson
2002-10-14 20:41 ` Erik Andersen
2002-10-14 22:10 ` Mike Anderson
2002-10-14 20:46 ` Erik Andersen
2002-10-14 15:57 ` James Bottomley
2002-10-14 17:22 ` Mike Anderson
2002-10-14 17:30 ` Matthew Dharm
2002-10-14 17:39 ` James Bottomley
2002-10-14 19:11 ` Oliver Xymoron [this message]
2002-10-15 0:42 ` Kurt Garloff
2002-10-14 20:37 ` Erik Andersen
2002-10-14 21:07 ` James Bottomley
2002-10-14 21:54 ` Erik Andersen
2002-10-14 22:25 ` Doug Ledford
2002-10-15 5:25 ` Erik Andersen
2002-10-15 15:33 ` Doug Ledford
2002-10-15 18:18 ` Erik Andersen
2002-10-15 18:22 ` Doug Ledford
2002-10-15 18:45 ` Erik Andersen
2002-10-15 19:13 ` Doug Ledford
2002-10-15 19:32 ` Erik Andersen
2002-10-15 19:45 ` James Bottomley
2002-10-15 19:50 ` Scott Merritt
2002-10-15 19:55 ` Doug Ledford
2002-10-15 22:07 ` Erik Andersen
2002-10-16 2:40 ` Doug Ledford
2002-10-18 11:28 ` Erik Andersen
2002-10-15 21:43 ` Oliver Neukum
2002-10-15 22:07 ` Erik Andersen
2002-10-14 22:19 ` Oliver Neukum
2002-10-15 0:22 ` Doug Ledford
2002-10-15 7:53 ` Oliver Neukum
2002-10-15 14:35 ` Doug Ledford
2002-10-15 15:19 ` Oliver Neukum
2002-10-15 15:40 ` James Bottomley
2002-10-15 17:47 ` Erik Andersen
2002-10-15 18:34 ` Doug Ledford
2002-10-15 18:22 ` Scott Merritt
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