Messages in this thread | | | Date | Fri, 27 May 2016 16:43:45 +0800 | From | Herbert Xu <> | Subject | Re: [PATCH 5/7] zram: use crypto api to check alg availability |
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On Fri, May 27, 2016 at 05:27:44PM +0900, Minchan Kim wrote: > > Yes, it might be trivial to adding new "string" into the backend array > if we consider frequency of adding new compressoin algorithm in linux > but it would be better if we can get names of supported compression > algorithm name by crypto API. > > If it's not good idea or something hard to implement, let's go with > hardcoding. > > Herbert, Could you give us thought?
It is fundamentally impossible to get a list of all *potential* algorithms if you allow loadable modules. By definition someone could load a new module and thus introduce a new algorithm.
Given a specific algorithm name you could determine whether it is present on the system.
Cheers, -- Email: Herbert Xu <herbert@gondor.apana.org.au> Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
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