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nvme: don't hard code size of struct t10_pi_tuple

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Signed-off-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Christoph Hellwig <hch@lst.de>
This commit is contained in:
Sagi Grimberg 2017-06-15 16:31:29 +03:00 committed by Christoph Hellwig
parent 39bdc5901f
commit 8fa611213d
1 changed files with 2 additions and 1 deletions
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3
drivers/nvme/host/core.c
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@ -356,7 +356,8 @@ static inline blk_status_t nvme_setup_rw(struct nvme_ns *ns,
* unless this namespace is formated such that the metadata can be
* stripped/generated by the controller with PRACT=1.
*/
if (ns && ns->ms && (!ns->pi_type || ns->ms != 8) &&
if (ns && ns->ms &&
(!ns->pi_type || ns->ms != sizeof(struct t10_pi_tuple)) &&
!blk_integrity_rq(req) && !blk_rq_is_passthrough(req))
return BLK_STS_NOTSUPP;