trace_block_rq_complete — block IO operation completed by device driver
void trace_block_rq_complete ( | struct request_queue * q, |
| struct request * rq, | |
unsigned int nr_bytes); |
qqueue containing the block operation request
rqblock operations request
nr_bytesnumber of completed bytes
The block_rq_complete tracepoint event indicates that some portion
of operation request has been completed by the device driver. If
the rq->bio is NULL, then there is absolutely no additional work to
do for the request. If rq->bio is non-NULL then there is
additional work required to complete the request.