blk_queue_unprep_rq (9) - Linux Manuals

blk_queue_unprep_rq: set an unprepare_request function for queue

Command to display blk_queue_unprep_rq manual in Linux: $ man 9 blk_queue_unprep_rq

NAME

blk_queue_unprep_rq - set an unprepare_request function for queue

SYNOPSIS

void blk_queue_unprep_rq(struct request_queue * q, unprep_rq_fn * ufn);

ARGUMENTS

: queue

ufn

: unprepare_request function

DESCRIPTION

It's possible for a queue to register an unprepare_request callback which is invoked before the request is finally completed. The goal of the function is to deallocate any data that was allocated in the prepare_request callback.