Messages in this thread | | | Date | Tue, 19 May 2015 14:32:11 +0800 | From | Herbert Xu <> | Subject | Re: [PATCH] crypto: allow to assign gfp_t for __crypto_alloc_tfm |
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On Mon, May 18, 2015 at 11:24:30PM -0700, Jaegeuk Kim wrote: > > The call path in fs/ext4/crypto.c is: > - writepage > - ext4_encrypt > - ext4_get_crypto_ctx > - crypto_alloc_ablkcipher > > AFAIK, this way can achieve to reduce memory footprint gracefully. > Just before submitting bios, fs allocates the required memory, and then end_io > will free them in pair.
So where does the key get generated? The crypto tfm should be allocated when you generate the key.
Cheers, -- Email: Herbert Xu <herbert@gondor.apana.org.au> Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
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