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@xxxxxxxxxxxxxxxxxxx> Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt -- To unsubscribe from this list: send the line "unsubscribe linux-crypto" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
