> "Tom" == Tom Yan writes:
Tom,
>> It would be pretty unusual for a device that is smart enough to
>> report a transfer length limit to be constrained to 1 MB and change.
Tom> Well, it is done pretty much for libata's SATL.
But why?
>> rw_max = min(BLK_DEF_MAX_SECTORS, q->limits.max_dev_s
On 14 August 2016 at 17:00, Tom Yan wrote:
>
> That won't really work. min_t() would, though the line is gonna be a
> bit long; not sure if I can/should simply cast the type (unsigned int)
> to BLK_DEF_MAX_SECTORS. And which braces are you referring to?
>
Oh you mean the else-clause braces. Hmm I
On 13 August 2016 at 05:37, Martin K. Petersen
wrote:
>
> It would be pretty unusual for a device that is smart enough to report a
> transfer length limit to be constrained to 1 MB and change.
>
Well, it is done pretty much for libata's SATL. Also since
opt_xfer_blocks is checked against dev_max,
> "Tom" == tom ty89 writes:
Tom,
Tom> The SCSI disk driver sets max_sectors to BLK_DEF_MAX_SECTORS when
Tom> the device does not report Optimal Transfer Length. However, it
Tom> checks only whether it is smaller than max_hw_sectors, but not
Tom> max_dev_sectors.
It would be pretty unusual f
From: Tom Yan
The SCSI disk driver sets max_sectors to BLK_DEF_MAX_SECTORS when
the device does not report Optimal Transfer Length. However, it
checks only whether it is smaller than max_hw_sectors, but not
max_dev_sectors.
Signed-off-by: Tom Yan
diff --git a/drivers/scsi/sd.c b/drivers/scsi/s
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