atapi_drain_needed(9)
NAME
atapi_drain_needed - Check whether data transfer may overflow
SYNOPSIS
int atapi_drain_needed(struct request * rq);
ARGUMENTS
- rq
- request to be checked
DESCRIPTION
ATAPI commands which transfer variable length data to host might
overflow due to application error or hardare bug. This function checks
whether overflow should be drained and ignored for request.
LOCKING
None.
RETURNS
1 if ; otherwise, 0.
AUTHOR
- Jeff Garzik
- Author.