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authorEric Biggers <ebiggers@google.com>2026-04-30 12:52:42 +0300
committerMikulas Patocka <mpatocka@redhat.com>2026-05-06 18:41:29 +0300
commit623463c8db708cfadad4f29400eada0d3cff111a (patch)
treef40e472ec98439791a126fb0d6d557c3c5450aeb
parent2ac3de0bbf40ecf32875e0a28b592a5d97d0503e (diff)
downloadlinux-623463c8db708cfadad4f29400eada0d3cff111a.tar.xz
block: export blk-crypto symbols required by dm-inlinecrypt
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>
-rw-r--r--block/blk-crypto.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/block/blk-crypto.c b/block/blk-crypto.c
index 856d3c5b1fa0..40a99a859748 100644
--- a/block/blk-crypto.c
+++ b/block/blk-crypto.c
@@ -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