Name
blk_queue_prep_rq —
set a prepare_request function for queue
Synopsis
void blk_queue_prep_rq (request_queue_t * q, prep_rq_fn * pfn);
Arguments
q
queue
pfn
prepare_request function
Description
It's possible for a queue to register a prepare_request callback which
is invoked before the request is handed to the request_fn. The goal of
the function is to prepare a request for I/O, it can be used to build a
cdb from the request data for instance.