Unverified Commit f3ee5065 authored by Anuj Gupta's avatar Anuj Gupta Committed by Christian Brauner
Browse files

nvme: set pi_offset only when checksum type is not BLK_INTEGRITY_CSUM_NONE 



protection information is treated as opaque when checksum type is
BLK_INTEGRITY_CSUM_NONE. In order to maintain the right metadata
semantics, set pi_offset only in cases where checksum type is not
BLK_INTEGRITY_CSUM_NONE.

Signed-off-by: default avatarAnuj Gupta <anuj20.g@samsung.com>
Link: https://lore.kernel.org/20250630090548.3317-4-anuj20.g@samsung.com


Reviewed-by: default avatarChristoph Hellwig <hch@lst.de>
Reviewed-by: default avatarMartin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: default avatarChristian Brauner <brauner@kernel.org>
parent 76e45252

drivers/nvme/host/core.c

+3 −2
Original line number Diff line number Diff line
@@ -1867,9 +1867,10 @@ static bool nvme_init_integrity(struct nvme_ns_head *head, 
	}



	bi->metadata_size = head->ms;

	if (bi->csum_type)

	if (bi->csum_type) {

		bi->pi_tuple_size = head->pi_size;

		bi->pi_offset = info->pi_offset;

	}

	return true;

}