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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