centos man page for blk_unprep_request

BLK_UNPREP_REQUEST(9)						   Block Devices					     BLK_UNPREP_REQUEST(9)

NAME
       blk_unprep_request - unprepare a request

SYNOPSIS
       void blk_unprep_request(struct request * req);

ARGUMENTS
       req
	   the request

DESCRIPTION
       This function makes a request ready for complete resubmission (or completion). It happens only after all error handling is complete. The
       queue lock is held when calling this.

COPYRIGHT
Kernel Hackers Manual 3.10					     June 2014						     BLK_UNPREP_REQUEST(9)