From: Christoph Hellwig <hch@infradead.org>
To: Liran Schour <LIRANS@il.ibm.com>
Cc: dougg@torque.net, linux-scsi@vger.kernel.org
Subject: Re: Support for CDB length > 16
Date: Tue, 18 Nov 2003 11:44:44 +0000 [thread overview]
Message-ID: <20031118114444.A24013@infradead.org> (raw)
In-Reply-To: <OFD032B1FF.F1D45476-ONC2256DE2.0039CF43-C2256DE2.003DD890@il.ibm.com>; from LIRANS@il.ibm.com on Tue, Nov 18, 2003 at 01:15:31PM +0200
On Tue, Nov 18, 2003 at 01:15:31PM +0200, Liran Schour wrote:
> > Is there an upper limit on the size of the cdb you are interested in
> > (e.g. XDWRITE EXTENDED in SBC-2 is 64 bytes)?
> I have an upperlimit of 256 bytes.
That's far beyond what we could increase the cmnd buffers to.
>
> > How were you planning to pass the cdb (length > 16) to the kernel?
> I am planning to build a filesystem in the kernel that will be over an OSD
> SCSI device. This layer will interact directly with the SCSI system.
I don't think there's a lot of chance to see your project supported in
mainline kernels. Maybe we'll have to find a way to make it work when
it's ready for mainline submission, but before that you're on your own..
next prev parent reply other threads:[~2003-11-18 11:44 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-11-18 8:49 Support for CDB length > 16 Liran Schour
2003-11-18 9:33 ` Douglas Gilbert
2003-11-18 11:15 ` Liran Schour
2003-11-18 11:44 ` Christoph Hellwig [this message]
2003-11-18 11:21 ` Andre Hedrick
2003-11-18 11:31 ` Christoph Hellwig
2003-11-18 11:46 ` Liran Schour
2003-11-18 13:02 ` Douglas Gilbert
2003-11-18 17:46 ` Christoph Hellwig
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