Re: [RFC 3/3] libata-scsi: add optimal transfer length to block limits VPD

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On Wed, Jul 13, 2016 at 12:47:08PM +0800, tom.ty89@xxxxxxxxx wrote:
> From: Tom Yan <tom.ty89@xxxxxxxxx>
> 
> As of commit 6b7e9cde4969 ("sd: Fix rw_max for devices that report
> an optimal xfer size"), the scsi disk driver (correctly) derive both
> of the queue limits "io_opt" and "max_sectors" from the optimal
> transfer length field.
> 
> In case we would like the two limits to be derived from a value
> other than BLK_DEF_MAX_SECTORS for ATA disks in the future, this
> patch has made it easy.

What's the actual impact of this patch at this point?

Thanks.

-- 
tejun
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