[PATCH v11 01/10] block: define set of integrity flags to be inherited by cloned bip

Anuj Gupta
2024-11-28T11:45:54Z

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>
---
block/bio-integrity.c | 2 +-
include/linux/bio-integrity.h | 3 +++
2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/block/bio-integrity.c b/block/bio-integrity.c
index 2a4bd6611692..a448a25d13de 100644
--- a/block/bio-integrity.c
+++ b/block/bio-integrity.c
@@ -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;
}
diff --git a/include/linux/bio-integrity.h b/include/linux/bio-integrity.h
index dbf0f74c1529..0f0cf10222e8 100644
--- a/include/linux/bio-integrity.h
+++ b/include/linux/bio-integrity.h
@@ -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) \
--
2.25.1