Tejun Heo wrote:
With atapi_request_sense() converted to use sg, there's no user of
non-sg interface.  Kill non-sg interface.

* ATA_QCFLAG_SINGLE and ATA_QCFLAG_SG are removed.  ATA_QCFLAG_DMAMAP
  is used instead.  (this way no LLD change is necessary)

* qc->buf_virt is removed.

* ata_sg_init_one() and ata_sg_setup_one() are removed.

Signed-off-by: Tejun Heo <[EMAIL PROTECTED]>
Cc: Rusty Russel <[EMAIL PROTECTED]>

I would move the kill-non-sg-path changes to the front of the patchset


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