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
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 2.6. July 2015 BLK_END_REQUEST(9)