Re: [RFC] sd: dynamically adjust SD_MAX_WS16_BLOCKS as per the actual logical block size

On 13 August 2016 at 04:26, Martin K. Petersen
[off-list ref] wrote:

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"Tom" == Tom Yan [off-list ref] writes:

Tom,

Tom> I don't really follow. What would this BLK_MAX_BIO_SECTORS be? It
Tom> doesn't appear to me that a static value is going to address the
Tom> problem I am addressing in this patch.

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

Hmm, so when we queue any of the limits, we convert a certain maximum
number of physical sectors (which we has already been doing) to its
corresponding maximum number of block layer sectors, and then make
sure that number does not exceed 0x7fffff, right?

--
Martin K. Petersen      Oracle Linux Engineering