From: Christoph Hellwig <hch@infradead.org>
To: Hannes Reinecke <hare@suse.de>
Cc: Mike Miller <mike.miller@hp.com>,
Linux Kernel <linux-kernel@vger.kernel.org>,
SCSI Mailing List <linux-scsi@vger.kernel.org>
Subject: Re: [PATCH] Perverting cciss
Date: Thu, 5 Apr 2007 11:03:26 +0100 [thread overview]
Message-ID: <20070405100326.GA19092@infradead.org> (raw)
In-Reply-To: <4614C82E.1020100@suse.de>
On Thu, Apr 05, 2007 at 11:58:06AM +0200, Hannes Reinecke wrote:
> Hi All,
>
> this patch adds the SG_IO ioctl to the cciss driver.
> As the driver is capable of sending SCSI CDBs to the controller there is
> no reason why we shouldn't exploit it.
> This way we get to use all the nice sg_utils for the cciss driver.
> And a persistent device name for free.
Instead of adding yet another implementation of SG_IO please implement
support for REQ_TYPE_BLOCK_PC requests and add all the nice block layer
passthrough ioctls to it.
> Makes one wonder why this one is not implemented as a SCSI driver in the
> first place.
It probably should have been a scsi driver, but it's far too late now.
next prev parent reply other threads:[~2007-04-05 10:03 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-04-05 9:58 [PATCH] Perverting cciss Hannes Reinecke
2007-04-05 10:03 ` Christoph Hellwig [this message]
2007-04-05 14:09 ` James Bottomley
2007-04-05 14:37 ` Miller, Mike (OS Dev)
-- strict thread matches above, loose matches on Subject: below --
2007-04-06 17:07 Stephen Cameron
2007-04-08 10:19 ` Christoph Hellwig
2007-04-08 16:26 ` Stephen Cameron
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