Re: [PATCH 2/5] scsi: improved eh timeout handler

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On 11/06/2013 03:47 PM, Christoph Hellwig wrote:
> On Tue, Nov 05, 2013 at 11:19:27AM -0800, Mike Christie wrote:
>>> +	scmd->eh_eflags |= SCSI_EH_ABORT_SCHEDULED;
>>> +	SCSI_LOG_ERROR_RECOVERY(3,
>>> +		scmd_printk(KERN_INFO, scmd,
>>> +			    "scmd %p abort scheduled\n", scmd));
>>> +	schedule_delayed_work(&scmd->abort_work, HZ / 100);
>>> +	return SUCCESS;
>>> +}
>>
>> Do we want to use our own workqueue_struct with WQ_MEM_RECLAIM set?
> 
> That's probably required, I can think of all kinds of issues otherwise.
> 
> Not in this patch series, but in the near future it might make sense 
> to convert the whole EH thread to that workqueue.
> 
And given the recent issues we had with RT scheduling I guess this
is the way to go.

_After_ this patchset gets in, that is ...

Cheers,

Hannes
-- 
Dr. Hannes Reinecke		      zSeries & Storage
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SUSE LINUX Products GmbH, Maxfeldstr. 5, 90409 Nürnberg
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