blk_add_trace_bio_remap — Add a trace for a bio-remap operation
voidblk_add_trace_bio_remap(
)
void * ignore
trace callback data parameter (not used)
struct request_queue * q
queue the io is for
struct bio * bio
the source bio
dev_t dev
target device
sector_t from
source sector
Device mapper or raid target sometimes need to split a bio because it spans a stripe (or similar). Add a trace for that action.