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block: export blk-crypto symbols required by dm-inlinecrypt

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bio_crypt_set_ctx(), blk_crypto_init_key(), and
blk_crypto_start_using_key() are needed to use inline encryption; see
Documentation/block/inline-encryption.rst.  Export them so that
dm-inlinecrypt can use them.  The only reason these weren't exported
before was that inline encryption was previously used only by fs/crypto/
which is built-in code.

Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
This commit is contained in:
Eric Biggers 2026-04-30 02:52:42 -07:00 committed by Mikulas Patocka
parent 2ac3de0bbf
commit 623463c8db
1 changed files with 3 additions and 0 deletions
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3
block/blk-crypto.c
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@ -116,6 +116,7 @@ void bio_crypt_set_ctx(struct bio *bio, const struct blk_crypto_key *key,
bio->bi_crypt_context = bc;
}
EXPORT_SYMBOL_GPL(bio_crypt_set_ctx);
void __bio_crypt_free_ctx(struct bio *bio)
{
@ -349,6 +350,7 @@ int blk_crypto_init_key(struct blk_crypto_key *blk_key,
return 0;
}
EXPORT_SYMBOL_GPL(blk_crypto_init_key);
bool blk_crypto_config_supported_natively(struct block_device *bdev,
const struct blk_crypto_config *cfg)
@ -399,6 +401,7 @@ int blk_crypto_start_using_key(struct block_device *bdev,
}
return blk_crypto_fallback_start_using_mode(key->crypto_cfg.crypto_mode);
}
EXPORT_SYMBOL_GPL(blk_crypto_start_using_key);
/**
* blk_crypto_evict_key() - Evict a blk_crypto_key from a block_device