fscrypt: Switch to sync_skcipher and on-stack requests

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Now that fscrypt uses only synchronous skciphers, switch to the actual
sync_skcipher API and the corresponding on-stack requests.  This
eliminates a heap allocation per en/decryption operation.

Link: https://lore.kernel.org/r/20250710060754.637098-4-ebiggers@kernel.org
Signed-off-by: Eric Biggers <ebiggers@kernel.org>

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This commit is contained in:

Eric Biggers 2025-07-09 23:07:50 -07:00

parent 53d9218d8d

commit 52e7e0d889

5 changed files with 61 additions and 95 deletions

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24

fs/crypto/crypto.c

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53

fs/crypto/fname.c

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2

fs/crypto/fscrypt_private.h

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23

fs/crypto/keysetup.c

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52

fs/crypto/keysetup_v1.c

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