blk_queue_find_tag (9) Linux Manual Page
blk_queue_find_tag – find a request by its tag and queue
Synopsis
struct request *blk_queue_find_tag(struct request_queue *q, int tag);Arguments
q
-
- The request queue for the device
tag
- The tag of the request
Notes
Should be used when a device returns a tag and you want to match it with a request.
no locks need be held.