Messages in this thread | | | Date | Fri, 27 Feb 2009 20:46:02 +0800 | From | Herbert Xu <> | Subject | Re: [BUGFIX] dm-crypt: Fix a bug of async cryption complete function |
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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.
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