[SCSI] a100u2w: convert to use the data buffer accessors

- remove the unnecessary map_single path.

- convert to use the new accessors for the sg lists and the
parameters.

Jens Axboe <[email protected]> did the for_each_sg cleanup.

Signed-off-by: FUJITA Tomonori <[email protected]>
Signed-off-by: James Bottomley <[email protected]>
1 file changed