Map request for a block operation request
void trace_block_rq_remap(struct request_queue * q, struct request * rq, dev_t dev, sector_t from);
q
queue holding the operation
rq
block IO operation request
dev
device for the operation
from
original sector for the operation
The block operation request rq in q has been remapped. The block operation request rq holds the current information and from hold the original sector.