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block: support pi with extended metadata

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The nvme spec allows protection information formats with metadata
extending beyond the pi field. Use the actual size of the metadata field
for incrementing the buffer.

Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Keith Busch <kbusch@kernel.org>
Link: https://lore.kernel.org/r/20220303201312.3255347-2-kbusch@kernel.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Keith Busch
2022-03-03 12:13:05 -08:00
committed by Jens Axboe
parent d57c1cf43e
commit c340b990d5
3 changed files with 4 additions and 2 deletions
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4
block/t10-pi.c
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@@ -44,7 +44,7 @@ static blk_status_t t10_pi_generate(struct blk_integrity_iter *iter,
pi->ref_tag = 0;
iter->data_buf += iter->interval;
iter->prot_buf += sizeof(struct t10_pi_tuple);
iter->prot_buf += iter->tuple_size;
iter->seed++;
}
@@ -93,7 +93,7 @@ static blk_status_t t10_pi_verify(struct blk_integrity_iter *iter,
next:
iter->data_buf += iter->interval;
iter->prot_buf += sizeof(struct t10_pi_tuple);
iter->prot_buf += iter->tuple_size;
iter->seed++;
}