On Fri, Feb 27, 2009 at 01:28:46PM +0100, Milan Broz wrote: > > Like this? > > struct ablkcipher_request *req = (char *)dmreq - cc->dmreq_start; > mempool_free(req, cc->req_pool);
Exactly. You could also embed the ablkcipher_request at the end of dmreq, as in struct dm_crypt_request { struct scatterlist sg_in; struct scatterlist sg_out; struct ablkcipher_request req; }; Then you can use container_of. Cheers, -- Visit Openswan at http://www.openswan.org/ Email: Herbert Xu ~{PmV>HI~} <herb...@gondor.apana.org.au> 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 majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html