BLK_PEEK_REQUEST(9) Block Devices BLK_PEEK_REQUEST(9)
NAME
blk_peek_request - peek at the top of a request queue
SYNOPSIS
struct request * blk_peek_request(struct request_queue * q);
ARGUMENTS
q
request queue to peek at
DESCRIPTION
Return the request at the top of q. The returned request should be started using blk_start_request before LLD starts processing it.
RETURN
Pointer to the request at the top of q if available. Null otherwise.
CONTEXT
queue_lock must be held.
COPYRIGHT
Kernel Hackers Manual 3.10 June 2014 BLK_PEEK_REQUEST(9)
