linux-kernel - Re: iscsi warning in 2.6.33-rc2

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Date:	Thu, 07 Jan 2010 10:54:57 +0800
From:	Tao Ma <tao.ma@...cle.com>
To:	Mike Christie <michaelc@...wisc.edu>
CC:	open-iscsi@...glegroups.com, linux-kernel@...r.kernel.org
Subject: Re: iscsi warning in 2.6.33-rc2

It works. Thanks.

Tested-by: Tao Ma <tao.ma@...cle.com>

Mike Christie wrote:
> On 12/29/2009 11:43 PM, Tao Ma wrote:
>> Hi all,
>>     I met with this warning when using iscsi with the 2.6.33-rc2.
>>
>> ------------[ cut here ]------------
>> WARNING: at drivers/scsi/libiscsi_tcp.c:996
> 
> ....
> 
>>
>> The other thing I can confirm is that I didn't meet with such problem in
>> 2.6.32-rc8.
>>
> 
> Sorry for the late reply. I am just getting back.
> 
> I think this is due to the kfifo changes that got merged recently.
> 
> For the iscsi side if there is nothing in the r2tqueue fifo at this time 
> it is fine. It just means that there is nothing to process, so I think 
> that the warn on should just not have been added.
> 
> Could you try the attached patch? I have only compile tested it. I am 
> starting up some testing for the patch and the other fifo changes that 
> got merged now.
> 
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