centos man page for blk_end_request

BLK_END_REQUEST(9)						   Block Devices						BLK_END_REQUEST(9)

NAME
       blk_end_request - Helper function for drivers to complete the request.

SYNOPSIS
       bool blk_end_request(struct request * rq, int error, unsigned int nr_bytes);

ARGUMENTS
       rq
	   the request being processed

       error
	   0 for success, < 0 for error

       nr_bytes
	   number of bytes to complete

DESCRIPTION
       Ends I/O on a number of bytes attached to rq. If rq has leftover, sets it up for the next range of segments.

RETURN
       false - we are done with this request true - still buffers pending for this request

COPYRIGHT
Kernel Hackers Manual 3.10					     June 2014							BLK_END_REQUEST(9)