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blk_queue_prep_rq
Langue: en
Version: June 2009 (debian - 07/07/09)
Section: 9 (Appels noyau Linux)
NAME
blk_queue_prep_rq - set a prepare_request function for queueSYNOPSIS
- void blk_queue_prep_rq(struct request_queue * 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.
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