blk_release_queue(9) release a struct request_queue when it is no longer needed

SYNOPSIS

void blk_release_queue(struct kobject * kobj);

ARGUMENTS

kobj

the kobj belonging to the request queue to be released

DESCRIPTION

blk_release_queue is the pair to blk_init_queue or blk_queue_make_request. It should be called when a request queue is being released; typically when a block device is being de-registered. Currently, its primary task it to free all the struct request structures that were allocated to the queue and the queue itself.

CAVEAT

Hopefully the low level driver will have finished any outstanding requests first...

COPYRIGHT