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block: use pi_tuple_size in bi_offload_capable()

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bi_offload_capable() returns whether a block device's metadata size
matches its PI tuple size. Use pi_tuple_size instead of switching on
csum_type. This makes the code considerably simpler and less branchy.

Signed-off-by: Caleb Sander Mateos <csander@purestorage.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Anuj Gupta <anuj20.g@samsung.com>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Caleb Sander Mateos
2026-01-08 10:22:12 -07:00
committed by Jens Axboe
parent 15f506a77a
commit a31bde687b
1 changed files with 1 additions and 13 deletions
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14
block/bio-integrity-auto.c
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@@ -52,19 +52,7 @@ static bool bip_should_check(struct bio_integrity_payload *bip)
static bool bi_offload_capable(struct blk_integrity *bi)
{
switch (bi->csum_type) {
case BLK_INTEGRITY_CSUM_CRC64:
return bi->metadata_size == sizeof(struct crc64_pi_tuple);
case BLK_INTEGRITY_CSUM_CRC:
case BLK_INTEGRITY_CSUM_IP:
return bi->metadata_size == sizeof(struct t10_pi_tuple);
default:
pr_warn_once("%s: unknown integrity checksum type:%d\n",
__func__, bi->csum_type);
fallthrough;
case BLK_INTEGRITY_CSUM_NONE:
return false;
}
return bi->metadata_size == bi->pi_tuple_size;
}
/**