linux-kernel - Re: [PATCH v3 1/9] crypto: introduce decompression API that can be called via sharable tfm object

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Message-ID: <20150925052617.GB7158@js1304-P5Q-DELUXE>
Date:	Fri, 25 Sep 2015 14:26:17 +0900
From:	Joonsoo Kim <iamjoonsoo.kim@....com>
To:	Sergey Senozhatsky <sergey.senozhatsky.work@...il.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Minchan Kim <minchan@...nel.org>,
	Nitin Gupta <ngupta@...are.org>, linux-kernel@...r.kernel.org,
	linux-crypto@...r.kernel.org,
	Herbert Xu <herbert@...dor.apana.org.au>,
	"David S. Miller" <davem@...emloft.net>,
	Stephan Mueller <smueller@...onox.de>
Subject: Re: [PATCH v3 1/9] crypto: introduce decompression API that can be
 called via sharable tfm object

On Mon, Sep 21, 2015 at 03:18:17PM +0900, Sergey Senozhatsky wrote:
> On (09/18/15 14:19), Joonsoo Kim wrote:
> [..]
> >  static int __init lzo_mod_init(void)
> > diff --git a/include/linux/crypto.h b/include/linux/crypto.h
> > index e71cb70..31152b1 100644
> > --- a/include/linux/crypto.h
> > +++ b/include/linux/crypto.h
> > @@ -355,6 +355,8 @@ struct compress_alg {
> >  			    unsigned int slen, u8 *dst, unsigned int *dlen);
> >  	int (*coa_decompress)(struct crypto_tfm *tfm, const u8 *src,
> >  			      unsigned int slen, u8 *dst, unsigned int *dlen);
> > +	int (*coa_decompress_noctx)(const u8 *src, unsigned int slen,
> > +				    u8 *dst, unsigned int *dlen);
> >  };
> >  
> >  
> > @@ -538,6 +540,9 @@ struct compress_tfm {
> >  	int (*cot_decompress)(struct crypto_tfm *tfm,
> >  	                      const u8 *src, unsigned int slen,
> >  	                      u8 *dst, unsigned int *dlen);
> > +	int (*cot_decompress_noctx)(struct crypto_tfm *tfm,
> > +				const u8 *src, unsigned int slen,
> > +				u8 *dst, unsigned int *dlen);
> >  };
> >  
> >  #define crt_ablkcipher	crt_u.ablkcipher
> > @@ -1836,6 +1841,14 @@ static inline void crypto_free_comp(struct crypto_comp *tfm)
> >  	crypto_free_tfm(crypto_comp_tfm(tfm));
> >  }
> >  
> > +struct crypto_comp *crypto_alloc_comp_noctx(const char *alg_name,
> > +					u32 type, u32 mask);
> > +
> 
> this should be EXPORT_SYMBOL_GPL().
> 

Will do in next version.

Thanks.
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