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43c3e8ce2f
[ Upstream commita9ee3f8406] blk-mq already provides a unique tag per request. Some libsas LLDDs - like hisi_sas - already use this tag as the unique per-I/O 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@huawei.com> Link: https://lore.kernel.org/r/1666091763-11023-2-git-send-email-john.garry@huawei.com Reviewed-by: Jack Wang <jinpu.wang@ionos.com> Reviewed-by: Jason Yan <yanaijie@huawei.com> Reviewed-by: Hannes Reinecke <hare@suse.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com> Stable-dep-of:60cd16a3b7("scsi: mvsas: Fix use-after-free bugs in mvs_work_queue") Signed-off-by: Sasha Levin <sashal@kernel.org>