suse man page for blk_queue_prep_rq

Query: blk_queue_prep_rq

OS: suse

Section: 9

Format: Original Unix Latex Style Formatted with HTML and a Horizontal Scroll Bar

BLK_QUEUE_PREP_RQ(9)						   Block Devices					      BLK_QUEUE_PREP_RQ(9)

NAME
blk_queue_prep_rq - set a prepare_request function for queue
SYNOPSIS
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.
COPYRIGHT
Kernel Hackers Manual 2.6. July 2010 BLK_QUEUE_PREP_RQ(9)
Related Man Pages
tevent_queue(3) - centos
blk_make_request(9) - centos
dpm-register(1) - debian
rdma_post_ud_send(3) - debian
mq_close(2) - hpux
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