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ANDROID: block: export symbols needed for modules to use inline crypto

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Export the blk-crypto symbols needed for modules to use inline crypto.

These would have already been exported, except that so far they've only
been used by fs/crypto/, which is no longer modular.

Bug: 137270441
Bug: 147814592
Change-Id: I64bf98aecabe891c188b30dd50124aacb1e008ca
Signed-off-by: Eric Biggers <ebiggers@google.com>
This commit is contained in:
Eric Biggers 2020-01-22 12:32:33 -08:00
parent 8aaaa67f9b
commit 9f8ee7b47c
3 changed files with 4 additions and 0 deletions
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1
block/bio-crypt-ctx.c
View File

@ -49,6 +49,7 @@ struct bio_crypt_ctx *bio_crypt_alloc_ctx(gfp_t gfp_mask)
{ {
return mempool_alloc(bio_crypt_ctx_pool, gfp_mask); return mempool_alloc(bio_crypt_ctx_pool, gfp_mask);
} }
EXPORT_SYMBOL_GPL(bio_crypt_alloc_ctx);
void bio_crypt_free_ctx(struct bio *bio) void bio_crypt_free_ctx(struct bio *bio)
{ {

1
block/blk-crypto-fallback.c
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@ -557,6 +557,7 @@ out:
mutex_unlock(&tfms_init_lock); mutex_unlock(&tfms_init_lock);
return err; return err;
} }
EXPORT_SYMBOL_GPL(blk_crypto_start_using_mode);
int blk_crypto_fallback_evict_key(const struct blk_crypto_key *key) int blk_crypto_fallback_evict_key(const struct blk_crypto_key *key)
{ {

2
block/blk-crypto.c
View File

@ -221,6 +221,7 @@ int blk_crypto_init_key(struct blk_crypto_key *blk_key,
return 0; return 0;
} }
EXPORT_SYMBOL_GPL(blk_crypto_init_key);
/** /**
* blk_crypto_evict_key() - Evict a key from any inline encryption hardware * blk_crypto_evict_key() - Evict a key from any inline encryption hardware
@ -247,3 +248,4 @@ int blk_crypto_evict_key(struct request_queue *q,
return blk_crypto_fallback_evict_key(key); return blk_crypto_fallback_evict_key(key);
} }
EXPORT_SYMBOL_GPL(blk_crypto_evict_key);