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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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1
include/linux/blk-integrity.h
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@@ -19,6 +19,7 @@ struct blk_integrity_iter {
sector_t seed;
unsigned int data_size;
unsigned short interval;
unsigned char tuple_size;
const char *disk_name;
};