Tejun Heo wrote:
Misc ATAPI commands may try to transfer more bytes than requested.
For PIO which is performed by libata HSM, this is worked around by
draining extra bytes from __atapi_pio_bytes().
This patch implements drain buffer to perform draining for DMA and
PIO-over-DMA cases. One page
Misc ATAPI commands may try to transfer more bytes than requested.
For PIO which is performed by libata HSM, this is worked around by
draining extra bytes from __atapi_pio_bytes().
This patch implements drain buffer to perform draining for DMA and
PIO-over-DMA cases. One page is allocated w/
