From mboxrd@z Thu Jan  1 00:00:00 1970
From: "Martin K. Petersen" <martin.petersen@oracle.com>
Subject: Re: [PATCH] SCSI: SD: set max_ws_blocks as max_unmap_blocks if it isn't provided
Date: Fri, 05 Dec 2014 08:22:03 -0500
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	(Ming Lei's message of "Fri, 5 Dec 2014 21:05:01 +0800")
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To: Ming Lei <ming.lei@canonical.com>
Cc: "Martin K. Petersen" <martin.petersen@oracle.com>, James Bottomley <JBottomley@parallels.com>, Christoph Hellwig <hch@lst.de>, Linux SCSI List <linux-scsi@vger.kernel.org>, Paolo Bonzini <pbonzini@redhat.com>

>>>>> "Ming" == Ming Lei <ming.lei@canonical.com> writes:

>> There is absolutely no correlation between max write same blocks and
>> max unmap blocks. They are two entirely different commands. If QEMU
>> SCSI

Ming> Do you have any better idea for the problem?

Does QEMU SCSI set LBPRZ?

-- 
Martin K. Petersen	Oracle Linux Engineering