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,
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