centos man page for blk_fetch_request

BLK_FETCH_REQUEST(9)						   Block Devices					      BLK_FETCH_REQUEST(9)

NAME
       blk_fetch_request - fetch a request from a request queue

SYNOPSIS
       struct request * blk_fetch_request(struct request_queue * q);

ARGUMENTS
       q
	   request queue to fetch a request from

DESCRIPTION
       Return the request at the top of q. The request is started on return and LLD can start processing it immediately.

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_FETCH_REQUEST(9)