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block: define set of integrity flags to be inherited by cloned bip

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Introduce BIP_CLONE_FLAGS describing integrity flags that should be
inherited in the cloned bip from the parent.

Suggested-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Anuj Gupta <anuj20.g@samsung.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Reviewed-by: Keith Busch <kbusch@kernel.org>
Link: https://lore.kernel.org/r/20241128112240.8867-2-anuj20.g@samsung.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Anuj Gupta 2024-11-28 16:52:31 +05:30 committed by Jens Axboe
parent 7cd7b95752
commit 5dbb3cbd06
2 changed files with 4 additions and 1 deletions
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2
block/bio-integrity.c
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@ -559,7 +559,7 @@ int bio_integrity_clone(struct bio *bio, struct bio *bio_src,
bip->bip_vec = bip_src->bip_vec;
bip->bip_iter = bip_src->bip_iter;
bip->bip_flags = bip_src->bip_flags & ~BIP_BLOCK_INTEGRITY;
bip->bip_flags = bip_src->bip_flags & BIP_CLONE_FLAGS;
return 0;
}

3
include/linux/bio-integrity.h
View File

@ -30,6 +30,9 @@ struct bio_integrity_payload {
struct bio_vec bip_inline_vecs[];/* embedded bvec array */
};
#define BIP_CLONE_FLAGS (BIP_MAPPED_INTEGRITY | BIP_CTRL_NOCHECK | \
BIP_DISK_NOCHECK | BIP_IP_CHECKSUM)
#ifdef CONFIG_BLK_DEV_INTEGRITY
#define bip_for_each_vec(bvl, bip, iter) \