On Thu, Aug 13, 2015 at 11:24:13AM +0900, Joonsoo Kim wrote: > Until now, zram uses compression algorithm through direct call > to core algorithm function, but, it has drawback that we need to add > compression algorithm manually to zram. If we don't do that, we cannot > utilize various compression algorithms in the system. To improve this > situation, zram will be changed to use crypto subsystem in following > patch. There is one problem with this change. Zram has a interface > that what compression algorithm it can support. Although crypto subsystem > has /proc interface to search all of crypto algorithm, but, there is > no way to get just compression algorithm in cryto subsystem. To implement > it on zram-side, crypto_alg_list and rwsem should be exported so > this patch do it. > > Signed-off-by: Joonsoo Kim <iamjoonsoo.kim@xxxxxxx> Nack. We already have a netlink interface that can be used to query algorithms and the type information is present in the report. The interface is crypto_user and should be used instead of exporting the raw list. 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
