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authorMax Gurtovoy <maxg@mellanox.com>2018-07-30 00:15:31 +0300
committerJens Axboe <axboe@kernel.dk>2018-07-30 08:27:01 -0600
commitddd0bc756983dc4d19000a4fe021b4c7f9d59aab (patch)
treec60de4ff47106f0c20b1f1beda9df7eedbdc8b86 /drivers/nvme
parentblock: don't account for split bio's size in cgroup stats (diff)
downloadlinux-dev-ddd0bc756983dc4d19000a4fe021b4c7f9d59aab.tar.xz
linux-dev-ddd0bc756983dc4d19000a4fe021b4c7f9d59aab.zip
block: move ref_tag calculation func to the block layer
Currently this function is implemented in the scsi layer, but it's actual place should be the block layer since T10-PI is a general data integrity feature that is used in the nvme protocol as well. Suggested-by: Christoph Hellwig <hch@lst.de> Cc: Martin K. Petersen <martin.petersen@oracle.com> Signed-off-by: Max Gurtovoy <maxg@mellanox.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers/nvme')
-rw-r--r--drivers/nvme/host/core.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
index e77e6418a21c..16c8b86fe95d 100644
--- a/drivers/nvme/host/core.c
+++ b/drivers/nvme/host/core.c
@@ -611,8 +611,7 @@ static inline blk_status_t nvme_setup_rw(struct nvme_ns *ns,
case NVME_NS_DPS_PI_TYPE2:
control |= NVME_RW_PRINFO_PRCHK_GUARD |
NVME_RW_PRINFO_PRCHK_REF;
- cmnd->rw.reftag = cpu_to_le32(
- nvme_block_nr(ns, blk_rq_pos(req)));
+ cmnd->rw.reftag = cpu_to_le32(t10_pi_ref_tag(req));
break;
}
}