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To: Tom Yan <tom.ty89@gmail.com>
Cc: "Martin K. Petersen" <martin.petersen@oracle.com>,
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Subject: Re: [RFC] sd: dynamically adjust SD_MAX_WS16_BLOCKS as per the actual logical block size
From: "Martin K. Petersen" <martin.petersen@oracle.com>
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Date: Tue, 16 Aug 2016 00:02:52 -0400
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	(Tom Yan's message of "Sun, 14 Aug 2016 16:46:00 +0800")
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>>>>> "Tom" == Tom Yan <tom.ty89@gmail.com> writes:

Tom,

>> 0x7fffff, the maximum number of block layer sectors that can be
>> expressed in a single bio.

Tom> Hmm, so when we queue any of the limits, we convert a certain
Tom> maximum number of physical sectors (which we has already been
Tom> doing)

logical sectors

Tom> to its corresponding maximum number of block layer sectors, and
Tom> then make sure that number does not exceed 0x7fffff, right?

Yep.

-- 
Martin K. Petersen	Oracle Linux Engineering