linux-kernel - RE: scsi-mq + open-iscsi support patches..?

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Message-ID: <37724B2049F71D4C9B086F99DDB2DE1126E31C7C@CMEXMB1.ad.emulex.com>
Date:	Sat, 2 Nov 2013 16:10:43 +0000
From:	Jayamohan Kallickal <Jayamohan.Kallickal@...lex.Com>
To:	"open-iscsi@...glegroups.com" <open-iscsi@...glegroups.com>,
	Mike Christie <michaelc@...wisc.edu>
CC:	linux-scsi <linux-scsi@...r.kernel.org>,
	LKML <linux-kernel@...r.kernel.org>,
	target-devel <target-devel@...r.kernel.org>,
	Or Gerlitz <ogerlitz@...lanox.com>
Subject: RE: scsi-mq + open-iscsi support patches..?


-----Original Message-----
From: open-iscsi@...glegroups.com [mailto:open-iscsi@...glegroups.com] On Behalf Of Nicholas A. Bellinger
Sent: Friday, November 01, 2013 1:37 PM
To: Mike Christie
Cc: open-iscsi@...glegroups.com; linux-scsi; LKML; target-devel; Or Gerlitz
Subject: Re: scsi-mq + open-iscsi support patches..?

On Fri, 2013-11-01 at 09:46 -0500, Mike Christie wrote:
> On 10/28/13 5:03 PM, Nicholas A. Bellinger wrote:
> > Hi Mike,
> >
> > Just curious as to the status of the scsi-mq conversion patches for 
> > open-iscsi that you where working on a while back..?
> >
> > I'm asking because recently I've been spending alot of time with 
> > scsi-mq
> > + virtio-scsi, and would really to start banging on iser-target 
> > + ports
> > using an scsi-mq enabled iser-initiator as well..
> >
> > So that said, are there any blockers holding things up towards 
> > getting a working prototype..?
> >
> 
> Just time. Just finished a release at work and just got back from 
> vacation so hoping to work on this some more in the next weeks.
> 

<nod>

>Btw, I'm happy to help move things along here too, and have a few extra cycles to spare..

>> On a related note, some iscsi vendor has been hitting a crash with 
>> your tree.

>I got an email from Jayamohan recently, but the OOPs did not appear to be scsi-mq related..

I do see the crash on my Ubuntu VM running on VirtualBox  but don't see the crash on a Standalone system. 
Attaching the screenshot

>  Have you rebased it it to take in Christoph's changes and fixes that 
> are in Jens's tree? The code here
> 
> https://git.kernel.org/cgit/linux/kernel/git/nab/target-pending.git/lo
> g/?h=scsi-mq
> 
> looks ok. That is the current code right?
> 

It's current as of a few weeks ago, but does not include the very latest blk-mq code that's now in next from Jens.

I'll be rebasing once blk-mq hits mainline over the next weeks..  ;)

--nab

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