trace_block_rq_complete (9) Linux Manual Page
trace_block_rq_complete – block IO operation completed by device driver
Synopsis
void trace_block_rq_complete(struct request_queue *q, struct request *rq, unsigned int nr_bytes);Arguments
q
-
- queue containing the block operation request
rq
- block operations request
nr_bytes
- number of completed bytes
Description
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.
Authors
Jason Baron <jbaron [at] redhat.com>
- Author.
William Cohen <wcohen [at] redhat.com>
- Author.