blk-crypto.c (07560151db960d26b425410d6fd778e6757a5da2) | blk-crypto.c (93f221ae08381e994ac9f9ff6aa743e612e49718) |
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1// SPDX-License-Identifier: GPL-2.0 2/* 3 * Copyright 2019 Google LLC 4 */ 5 6/* 7 * Refer to Documentation/block/inline-encryption.rst for detailed explanation. 8 */ --- 269 unchanged lines hidden (view full) --- 278 279 if (blk_crypto_fallback_bio_prep(bio_ptr)) 280 return true; 281fail: 282 bio_endio(*bio_ptr); 283 return false; 284} 285 | 1// SPDX-License-Identifier: GPL-2.0 2/* 3 * Copyright 2019 Google LLC 4 */ 5 6/* 7 * Refer to Documentation/block/inline-encryption.rst for detailed explanation. 8 */ --- 269 unchanged lines hidden (view full) --- 278 279 if (blk_crypto_fallback_bio_prep(bio_ptr)) 280 return true; 281fail: 282 bio_endio(*bio_ptr); 283 return false; 284} 285 |
286/** 287 * __blk_crypto_rq_bio_prep - Prepare a request's crypt_ctx when its first bio 288 * is inserted 289 * 290 * @rq: The request to prepare 291 * @bio: The first bio being inserted into the request 292 * @gfp_mask: gfp mask 293 */ 294void __blk_crypto_rq_bio_prep(struct request *rq, struct bio *bio, 295 gfp_t gfp_mask) | 286int __blk_crypto_rq_bio_prep(struct request *rq, struct bio *bio, 287 gfp_t gfp_mask) |
296{ | 288{ |
297 if (!rq->crypt_ctx) | 289 if (!rq->crypt_ctx) { |
298 rq->crypt_ctx = mempool_alloc(bio_crypt_ctx_pool, gfp_mask); | 290 rq->crypt_ctx = mempool_alloc(bio_crypt_ctx_pool, gfp_mask); |
291 if (!rq->crypt_ctx) 292 return -ENOMEM; 293 } |
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299 *rq->crypt_ctx = *bio->bi_crypt_context; | 294 *rq->crypt_ctx = *bio->bi_crypt_context; |
295 return 0; |
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300} 301 302/** 303 * blk_crypto_init_key() - Prepare a key for use with blk-crypto 304 * @blk_key: Pointer to the blk_crypto_key to initialize. 305 * @raw_key: Pointer to the raw key. Must be the correct length for the chosen 306 * @crypto_mode; see blk_crypto_modes[]. 307 * @crypto_mode: identifier for the encryption algorithm to use --- 100 unchanged lines hidden --- | 296} 297 298/** 299 * blk_crypto_init_key() - Prepare a key for use with blk-crypto 300 * @blk_key: Pointer to the blk_crypto_key to initialize. 301 * @raw_key: Pointer to the raw key. Must be the correct length for the chosen 302 * @crypto_mode; see blk_crypto_modes[]. 303 * @crypto_mode: identifier for the encryption algorithm to use --- 100 unchanged lines hidden --- |