blk-mq already provides a unique tag per request. Some libsas LLDDs - like
hisi_sas - already use this tag as the unique per-IO HW tag.
Add a common function to provide the request associated with a sas_task
for all libsas LLDDs.
Signed-off-by: John Garry<john.garry@xxxxxxxxxx>
---
include/scsi/libsas.h | 18 ++++++++++++++++++
1 file changed, 18 insertions(+)