Re: [PATCH] crypto: allow to assign gfp_t for __crypto_alloc_tfm

[Herbert Xu]

On Mon, May 18, 2015 at 11:58:12PM -0700, Jaegeuk Kim wrote:
>
> > So where does the key get generated? The crypto tfm should be
> > allocated when you generate the key.
> 
> In fs/ext4/crypto.c,
> 
>  - writepage
>    - ext4_encrypt
>      - ext4_get_crypto_ctx
>        - crypto_alloc_ablkcipher
>      - ext4_page_crypto
>        - crypto_ablkcipher_setkey
>        - ablkcipher_request_alloc(GFP_NOFS)
>        - ablkcipher_request_set_crypt(PAGE_CACHE_SIZE)
>        - crypto_ablkcipher_encrypt
> 
>  - end_io
>    - crypto_free_tfm

No that's where you set the key, not where you generate the key.
-- 
Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
Home Page: http://gondor.apana.org.au/~herbert/
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