From: Kay Sievers <kay.sievers@vrfy.org>
To: linux-hotplug@vger.kernel.org
Subject: Re: DRIVER vs. PHYSDEVDRIVER for block susbsystem
Date: Sat, 25 Mar 2006 18:50:47 +0000 [thread overview]
Message-ID: <20060325185047.GA22311@vrfy.org> (raw)
In-Reply-To: <200603252125.00463.arvidjaar@mail.ru>
On Sat, Mar 25, 2006 at 09:24:30PM +0300, Andrey Borzenkov wrote:
> The example persistent rules distributed with udev use DRIVER matching for
> SUBSYSTEM=block. Unfortunately, it appears that DRIVER is simply not defined
> in this case - it is fetched only for the case when devpath is /devices/*
> not /block/*.
No DRIVER matches up the whole chain of devices. But the driver value of
block is "" which matches successfully the non-match of the values it is
compared against.
The rules have changed and should work that way:
http://www.kernel.org/git/?p=linux/hotplug/udev.git;a=blob;hb=HEAD;f=etc/udev/60-persistent-storage.rules
> It effectively means that for IDE CD-ROMs persistent rules are never executed,
> see also http://qa.mandriva.com/show_bug.cgi?id!720.
We should not introduce any new users of the "device" link or the
PHYSDEV* values, they will go away some day along with the odd idea
to distinguish between class and physical devices.
> Is DRIVER expected to be set for SUBSYSTEM=block (I will submit patch)?
> Otherwise it would be nice to fix examples in rules.
No, class devices don't have a driver for now.
Thanks,
Kay
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next prev parent reply other threads:[~2006-03-25 18:50 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-03-25 18:24 DRIVER vs. PHYSDEVDRIVER for block susbsystem Andrey Borzenkov
2006-03-25 18:50 ` Kay Sievers [this message]
2006-03-25 19:10 ` Andrey Borzenkov
2006-03-25 19:24 ` Kay Sievers
2006-03-25 19:34 ` Andrey Borzenkov
2006-03-25 19:43 ` Kay Sievers
2006-03-25 20:07 ` Andrey Borzenkov
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