ATAPI_DRAIN_NEEDED(9) libata SCSI translation/emulat 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.

COPYRIGHT Kernel Hackers Manual 2.6. July 2015 ATAPI_DRAIN_NEEDED(9)