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From: Cathy Avery <cavery@redhat.com>
To: "Martin K. Petersen" <martin.petersen@oracle.com>
Cc: Christoph Hellwig <hch@infradead.org>, Tejun Heo <tj@kernel.org>,
	kys@microsoft.com, haiyangz@microsoft.com,
	jejb@linux.vnet.ibm.com, dan.carpenter@oracle.com,
	devel@linuxdriverproject.org, linux-kernel@vger.kernel.org,
	linux-scsi@vger.kernel.org
Subject: Re: [PATCH V2] scsi: storvsc: Allow only one remove lun work item to be issued per lun
Date: Tue, 31 Oct 2017 08:31:15 -0400	[thread overview]
Message-ID: <59F86D13.1010708@redhat.com> (raw)
In-Reply-To: <yq1shdzcxo3.fsf@oracle.com>

On 10/31/2017 08:24 AM, Martin K. Petersen wrote:
>>> If you use alloc_ordered_workqueue directly instead of
>>> create_singlethread_workqueue you can pass a format string and don't
>>> need the separate allocation.
>>>
>>> But I'm not sure if Tejun is fine with using __WQ_LEGACY directly..
>> The only thing that flag does is exempting the workqueue from possible
>> flush deadlock check as we don't know whether WQ_MEM_RECLAIM on a
>> legacy workqueue is intentional.  There's no reason to add it when
>> converting to alloc_ordered_workqueue().  Just decide whether it needs
>> forward progress guarantee and use WQ_MEM_RECLAIM if so.
> Cathy?
>

Sorry for the delay. Long was working on a similar problem and we needed 
to add a couple of extra patches. I was thinking of sending all three in 
series but I can send the V3 of this now and follow up with the 
additional patches. Does that make sense?

      reply	other threads:[~2017-10-31 12:31 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-10-17 17:35 [PATCH V2] scsi: storvsc: Allow only one remove lun work item to be issued per lun Cathy Avery
2017-10-19 15:35 ` Christoph Hellwig
2017-10-19 22:06   ` Long Li
2017-10-21 15:44   ` Tejun Heo
2017-10-31 12:24     ` Martin K. Petersen
2017-10-31 12:31       ` Cathy Avery [this message]

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