On 12 August 2016 at 19:56, <tom.t...@gmail.com> wrote:
>
> Also note that ATA_HORKAGE_MAX_SEC_LBA48 is not supposed to work
> automatically anyway, even when max_hw_sectors is as high as 65535,
> since the effective max_sectors will be set by the SCSI disk driver.
>
I missed the fact that ATA_HORKAGE_MAX_SEC_LBA48 is only (and should
only be) used by a few ATAPI devices, and the SCSI cdrom devices will
not touch max_sectors like the SCSI disk driver. Therefore, I guess I
should really just use blk_queue_max_hw_sectors() to set both
max_hw_sectors and max_sectors for ATAPI devices. Sending a v2.
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