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blk-crypto: remove blk_crypto_insert_cloned_request()

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blk_crypto_insert_cloned_request() is the same as
blk_crypto_rq_get_keyslot(), so just use that directly.

Signed-off-by: Eric Biggers <ebiggers@google.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20230315183907.53675-2-ebiggers@kernel.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Eric Biggers 2023-03-15 11:39:05 -07:00 committed by Jens Axboe
parent 5c7cb94452
commit 435c0e9996
3 changed files with 2 additions and 18 deletions
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3
Documentation/block/inline-encryption.rst
View File

@ -270,8 +270,7 @@ Request queue based layered devices like dm-rq that wish to support inline
encryption need to create their own blk_crypto_profile for their request_queue,
and expose whatever functionality they choose. When a layered device wants to
pass a clone of that request to another request_queue, blk-crypto will
initialize and prepare the clone as necessary; see
``blk_crypto_insert_cloned_request()``.
initialize and prepare the clone as necessary.
Interaction between inline encryption and blk integrity
=======================================================

15
block/blk-crypto-internal.h
View File

@ -205,21 +205,6 @@ static inline int blk_crypto_rq_bio_prep(struct request *rq, struct bio *bio,
return 0;
}
/**
* blk_crypto_insert_cloned_request - Prepare a cloned request to be inserted
* into a request queue.
* @rq: the request being queued
*
* Return: BLK_STS_OK on success, nonzero on error.
*/
static inline blk_status_t blk_crypto_insert_cloned_request(struct request *rq)
{
if (blk_crypto_rq_is_encrypted(rq))
return blk_crypto_rq_get_keyslot(rq);
return BLK_STS_OK;
}
#ifdef CONFIG_BLK_INLINE_ENCRYPTION_FALLBACK
int blk_crypto_fallback_start_using_mode(enum blk_crypto_mode_num mode_num);

2
block/blk-mq.c
View File

@ -3049,7 +3049,7 @@ blk_status_t blk_insert_cloned_request(struct request *rq)
if (q->disk && should_fail_request(q->disk->part0, blk_rq_bytes(rq)))
return BLK_STS_IOERR;
if (blk_crypto_insert_cloned_request(rq))
if (blk_crypto_rq_get_keyslot(rq))
return BLK_STS_IOERR;
blk_account_io_start(rq);