s390/dasd: move dasd_ccw_req to per request data

Let the block layer allocate per request data to store
struct dasd_ccw_req. We still need extra preallocated
memory for usage by ccw programs (which vary in length)
and for requests which don't originate from the block
layer.

Link: https://lkml.kernel.org/r/[email protected]
Signed-off-by: Sebastian Ott <[email protected]>
Reviewed-by: Stefan Haberland <[email protected]>
Signed-off-by: Martin Schwidefsky <[email protected]>

0 files changed, 0 insertions, 0 deletions