Subject: Re: [PATCH 0/3] Add proper STGT <-> bs_sg passthrough v3
From: "Nicholas A. Bellinger" <nab@linux-iscsi.org>
To: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Cc: stgt@vger.kernel.org, linux-scsi@vger.kernel.org,
       linux-kernel@vger.kernel.org, michaelc@cs.wisc.edu,
       bharrosh@panasas.com, James.Bottomley@suse.de, dgilbert@interlog.com
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	 <20100607183438Y.fujita.tomonori@lab.ntt.co.jp>
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Date: Mon, 07 Jun 2010 02:40:52 -0700
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On Mon, 2010-06-07 at 18:35 +0900, FUJITA Tomonori wrote:
> On Mon, 07 Jun 2010 02:07:09 -0700
> "Nicholas A. Bellinger" <nab@linux-iscsi.org> wrote:
> 
> > On Mon, 2010-06-07 at 17:56 +0900, FUJITA Tomonori wrote:
> > > On Mon, 07 Jun 2010 01:27:16 -0700
> > > "Nicholas A. Bellinger" <nab@linux-iscsi.org> wrote:
> > > 
> > > > Ok, I just fixed some minor breakage and applied patch 3 on top of
> > > > tgt.git/pass in my local tree and everything appears to work with
> > > > '-E bsg -Y pt'.
> > > > 
> > > > Please let me know if you have any other comments on the BSG bits or if
> > > > you would like me to send along a updated patch 3 seperately.
> > > 
> > > Please send patches except for bsg first.
> > > 
> > > About bsg support, we need both sg and bsg? Just bsg is not enough?
> > 
> > I figured you would still like legacy support w/o bsg for the forseeable
> > future with older production kernels.  I don't recall which kernel BSG
> > support was added or if this code has already been backported to the
> > various distro kernels.
> 
> I prefer to support only bsg (until someone tells me to support sg).
> 

Ok, if that is the case I will respin a patch on top of tgt.git/pass to
remove SG and use BSG exclusively.  Please let me know if you have any
more recommendations in this area.

> 
> btw, if you look for a tool to generate a bidi command, my sgv4-tools
> might work for you.
> 
> git://git.kernel.org/pub/scm/linux/kernel/git/tomo/sgv4-tools.git
> 
> try sgv4_xdwriteread (note that it's not useful at all except for
> generating bidi).

Ah perfect, this is exactly what I am looking for.  Many thanks.

Best,

--nab

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