blk_add_trace_bio (9) Linux Manual Page
blk_add_trace_bio – Add a trace for a bio oriented action
Synopsis
void blk_add_trace_bio(struct request_queue *q, struct bio *bio, u32 what, int error);Arguments
q
-
- queue the io is for
bio
- the source bio
what
- the action
error
- error, if any
Description
Records an action against a bio. Will log the bio offset + size.