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Fri, 17 Oct 2025 04:04:56 +0000 Received: from PH7PR11MB8121.namprd11.prod.outlook.com ([fe80::ec4e:64cf:cf1f:daab]) by PH7PR11MB8121.namprd11.prod.outlook.com ([fe80::ec4e:64cf:cf1f:daab%7]) with mapi id 15.20.9228.011; Fri, 17 Oct 2025 04:04:56 +0000 From: "Sridhar, Kanchana P" To: Herbert Xu CC: "linux-kernel@vger.kernel.org" , "linux-mm@kvack.org" , "hannes@cmpxchg.org" , "yosry.ahmed@linux.dev" , "nphamcs@gmail.com" , "chengming.zhou@linux.dev" , "usamaarif642@gmail.com" , "ryan.roberts@arm.com" , "21cnbao@gmail.com" <21cnbao@gmail.com>, "ying.huang@linux.alibaba.com" , "akpm@linux-foundation.org" , "senozhatsky@chromium.org" , "sj@kernel.org" , "kasong@tencent.com" , "linux-crypto@vger.kernel.org" , "davem@davemloft.net" , "clabbe@baylibre.com" , "ardb@kernel.org" , "ebiggers@google.com" , "surenb@google.com" , "Accardi, Kristen C" , "Gomes, Vinicius" , "Feghali, Wajdi K" , "Gopal, Vinodh" , "Sridhar, Kanchana P" Subject: RE: [PATCH v12 14/23] crypto: iaa - IAA Batching for parallel compressions/decompressions. Thread-Topic: [PATCH v12 14/23] crypto: iaa - IAA Batching for parallel compressions/decompressions. 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linux-mm@kvack.org; > hannes@cmpxchg.org; yosry.ahmed@linux.dev; nphamcs@gmail.com; > chengming.zhou@linux.dev; usamaarif642@gmail.com; > ryan.roberts@arm.com; 21cnbao@gmail.com; > ying.huang@linux.alibaba.com; akpm@linux-foundation.org; > senozhatsky@chromium.org; sj@kernel.org; kasong@tencent.com; linux- > crypto@vger.kernel.org; davem@davemloft.net; clabbe@baylibre.com; > ardb@kernel.org; ebiggers@google.com; surenb@google.com; Accardi, > Kristen C ; Gomes, Vinicius > ; Feghali, Wajdi K ; > Gopal, Vinodh > Subject: Re: [PATCH v12 14/23] crypto: iaa - IAA Batching for parallel > compressions/decompressions. >=20 > On Thu, Sep 25, 2025 at 08:34:53PM -0700, Kanchana P Sridhar wrote: > > > > +__always_inline int iaa_comp_compress_batch( > > + enum iaa_mode mode, > > + struct iaa_req *parent_req, > > + unsigned int unit_size) > > +{ > > + return iaa_comp_acompress_batch(iaa_ctx[mode], parent_req, > unit_size); > > +} > > +EXPORT_SYMBOL_GPL(iaa_comp_compress_batch); > > + > > +__always_inline int iaa_comp_decompress_batch( > > + enum iaa_mode mode, > > + struct iaa_req *parent_req, > > + unsigned int unit_size) > > +{ > > + return iaa_comp_adecompress_batch(iaa_ctx[mode], parent_req, > unit_size); > > +} > > +EXPORT_SYMBOL_GPL(iaa_comp_decompress_batch); >=20 > What are these for? Hi Herbert, These are for non-crypto users such as zram. I plan to submit an RFC for zram that enables IAA as a zcomp backend with batching support. These API will be used for this purpose. Thanks, Kanchana >=20 > Cheers, > -- > Email: Herbert Xu > Home Page: http://gondor.apana.org.au/~herbert/ > PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt