centos man page for blk_end_bidi_request

BLK_END_BIDI_REQUEST(9) 					   Block Devices					   BLK_END_BIDI_REQUEST(9)

NAME
       blk_end_bidi_request - Complete a bidi request

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

ARGUMENTS
       rq
	   the request to complete

       error
	   0 for success, < 0 for error

       nr_bytes
	   number of bytes to complete rq

       bidi_bytes
	   number of bytes to complete rq->next_rq

DESCRIPTION
       Ends I/O on a number of bytes attached to rq and rq->next_rq. Drivers that supports bidi can safely call this member for any type of
       request, bidi or uni. In the later case bidi_bytes is just ignored.

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_BIDI_REQUEST(9)