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| author | Keith Busch <kbusch@kernel.org> | 2022-03-03 12:13:05 -0800 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2022-03-07 12:48:35 -0700 |
| commit | c340b990d58c856c1636e0c10abb9e4351ad852a (patch) | |
| tree | 06cf099be5deb78d139d97d639d4a37b8fd05f94 /block/t10-pi.c | |
| parent | d57c1cf43e7b33fdd790d50d972e0e5d6a0d20fe (diff) | |
| download | lwn-c340b990d58c856c1636e0c10abb9e4351ad852a.tar.gz lwn-c340b990d58c856c1636e0c10abb9e4351ad852a.zip | |
block: support pi with extended metadata
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>
Diffstat (limited to 'block/t10-pi.c')
| -rw-r--r-- | block/t10-pi.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/block/t10-pi.c b/block/t10-pi.c index 25a52a2a09a8..758a76518854 100644 --- a/block/t10-pi.c +++ b/block/t10-pi.c @@ -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++; } |