From: Arjan van de Ven <arjan@infradead.org>
To: Mike Miller <mike.miller@hp.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
JensAxboejens.axboe@oracle.com,
LKML <linux-kernel@vger.kernel.org>,
LKML-scsi <linux-scsi@vger.kernel.org>
Subject: Re: [PATCH 1 of 1] cciss: add procfs interface to rescan logical volumes
Date: Tue, 7 Oct 2008 09:35:30 -0700 [thread overview]
Message-ID: <20081007093530.1793a81b@infradead.org> (raw)
In-Reply-To: <20081007162454.GA12104@roadking.ldev.net>
On Tue, 7 Oct 2008 11:24:54 -0500
Mike Miller <mike.miller@hp.com> wrote:
> Patch 1 of 1
>
> This patch adds a procfs interface so users can force a rescan of the
> logical volumes attached to the controller. A new product uses Target
> Based Management (TBM) out-of-band for configuration purposes. With
> this method the driver has no way of knowing that something has
> changed, i.e., new logical volume(s) added or existing volumes
> deleted. This interface allows the user to echo "rescan volumes" >
> /proc/driver/cciss/ccissN to force the driver to rebuild our table of
> logical volumes.
> Please consider this patch for inclusion.
I'll ask the obvious question (since you didn't address this)...
why is this a proc thing and not just a sysfs attribute of the device?
--
Arjan van de Ven Intel Open Source Technology Centre
For development, discussion and tips for power savings,
visit http://www.lesswatts.org
next prev parent reply other threads:[~2008-10-07 16:35 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-10-07 16:24 [PATCH 1 of 1] cciss: add procfs interface to rescan logical volumes Mike Miller
2008-10-07 16:35 ` Arjan van de Ven [this message]
2008-10-07 17:33 ` Miller, Mike (OS Dev)
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