blk_end_request (9)

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

rq

the request being processed

error

0 for success, < 0 for error

nr_bytes

number of bytes to complete

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

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