[5/10] crypto: acomp - Count error stats differently

diff --git a/crypto/acompress.c b/crypto/acompress.c
index c32c72048a1c..022839ab457a 100644
--- a/crypto/acompress.c
+++ b/crypto/acompress.c
@@ -6,23 +6,33 @@ 
  * Authors: Weigang Li <weigang.li@intel.com>
  *          Giovanni Cabiddu <giovanni.cabiddu@intel.com>
  */
+
+#include <crypto/internal/acompress.h>
+#include <linux/cryptouser.h>
 #include <linux/errno.h>
 #include <linux/kernel.h>
 #include <linux/module.h>
 #include <linux/seq_file.h>
 #include <linux/slab.h>
 #include <linux/string.h>
-#include <linux/crypto.h>
-#include <crypto/algapi.h>
-#include <linux/cryptouser.h>
-#include <linux/compiler.h>
 #include <net/netlink.h>
-#include <crypto/internal/acompress.h>
-#include <crypto/internal/scompress.h>
-#include "internal.h"
+
+#include "compress.h"
+
+struct crypto_scomp;
 
 static const struct crypto_type crypto_acomp_type;
 
+static inline struct acomp_alg *__crypto_acomp_alg(struct crypto_alg *alg)
+{
+	return container_of(alg, struct acomp_alg, calg.base);
+}
+
+static inline struct acomp_alg *crypto_acomp_alg(struct crypto_acomp *tfm)
+{
+	return __crypto_acomp_alg(crypto_acomp_tfm(tfm)->__crt_alg);
+}
+
 #ifdef CONFIG_NET
 static int crypto_acomp_report(struct sk_buff *skb, struct crypto_alg *alg)
 {
@@ -89,6 +99,32 @@  static unsigned int crypto_acomp_extsize(struct crypto_alg *alg)
 	return extsize;
 }
 
+static inline int __crypto_acomp_report_stat(struct sk_buff *skb,
+					     struct crypto_alg *alg)
+{
+	struct comp_alg_common *calg = __crypto_comp_alg_common(alg);
+	struct crypto_istat_compress *istat = comp_get_stat(calg);
+	struct crypto_stat_compress racomp;
+
+	memset(&racomp, 0, sizeof(racomp));
+
+	strscpy(racomp.type, "acomp", sizeof(racomp.type));
+	racomp.stat_compress_cnt = atomic64_read(&istat->compress_cnt);
+	racomp.stat_compress_tlen = atomic64_read(&istat->compress_tlen);
+	racomp.stat_decompress_cnt =  atomic64_read(&istat->decompress_cnt);
+	racomp.stat_decompress_tlen = atomic64_read(&istat->decompress_tlen);
+	racomp.stat_err_cnt = atomic64_read(&istat->err_cnt);
+
+	return nla_put(skb, CRYPTOCFGA_STAT_ACOMP, sizeof(racomp), &racomp);
+}
+
+#ifdef CONFIG_CRYPTO_STATS
+int crypto_acomp_report_stat(struct sk_buff *skb, struct crypto_alg *alg)
+{
+	return __crypto_acomp_report_stat(skb, alg);
+}
+#endif
+
 static const struct crypto_type crypto_acomp_type = {
 	.extsize = crypto_acomp_extsize,
 	.init_tfm = crypto_acomp_init_tfm,
@@ -96,6 +132,9 @@  static const struct crypto_type crypto_acomp_type = {
 	.show = crypto_acomp_show,
 #endif
 	.report = crypto_acomp_report,
+#ifdef CONFIG_CRYPTO_STATS
+	.report_stat = crypto_acomp_report_stat,
+#endif
 	.maskclear = ~CRYPTO_ALG_TYPE_MASK,
 	.maskset = CRYPTO_ALG_TYPE_ACOMPRESS_MASK,
 	.type = CRYPTO_ALG_TYPE_ACOMPRESS,
@@ -147,12 +186,24 @@  void acomp_request_free(struct acomp_req *req)
 }
 EXPORT_SYMBOL_GPL(acomp_request_free);
 
-int crypto_register_acomp(struct acomp_alg *alg)
+void comp_prepare_alg(struct comp_alg_common *alg)
 {
+	struct crypto_istat_compress *istat = comp_get_stat(alg);
 	struct crypto_alg *base = &alg->base;
 
-	base->cra_type = &crypto_acomp_type;
 	base->cra_flags &= ~CRYPTO_ALG_TYPE_MASK;
+
+	if (IS_ENABLED(CONFIG_CRYPTO_STATS))
+		memset(istat, 0, sizeof(*istat));
+}
+
+int crypto_register_acomp(struct acomp_alg *alg)
+{
+	struct crypto_alg *base = &alg->calg.base;
+
+	comp_prepare_alg(&alg->calg);
+
+	base->cra_type = &crypto_acomp_type;
 	base->cra_flags |= CRYPTO_ALG_TYPE_ACOMPRESS;
 
 	return crypto_register_alg(base);
diff --git a/crypto/algapi.c b/crypto/algapi.c
index deabd2d42216..fe48ce1957e1 100644
--- a/crypto/algapi.c
+++ b/crypto/algapi.c
@@ -1051,30 +1051,6 @@  void crypto_stats_get(struct crypto_alg *alg)
 }
 EXPORT_SYMBOL_GPL(crypto_stats_get);
 
-void crypto_stats_compress(unsigned int slen, int ret, struct crypto_alg *alg)
-{
-	if (ret && ret != -EINPROGRESS && ret != -EBUSY) {
-		atomic64_inc(&alg->stats.compress.err_cnt);
-	} else {
-		atomic64_inc(&alg->stats.compress.compress_cnt);
-		atomic64_add(slen, &alg->stats.compress.compress_tlen);
-	}
-	crypto_alg_put(alg);
-}
-EXPORT_SYMBOL_GPL(crypto_stats_compress);
-
-void crypto_stats_decompress(unsigned int slen, int ret, struct crypto_alg *alg)
-{
-	if (ret && ret != -EINPROGRESS && ret != -EBUSY) {
-		atomic64_inc(&alg->stats.compress.err_cnt);
-	} else {
-		atomic64_inc(&alg->stats.compress.decompress_cnt);
-		atomic64_add(slen, &alg->stats.compress.decompress_tlen);
-	}
-	crypto_alg_put(alg);
-}
-EXPORT_SYMBOL_GPL(crypto_stats_decompress);
-
 void crypto_stats_kpp_set_secret(struct crypto_alg *alg, int ret)
 {
 	if (ret)
diff --git a/crypto/compress.h b/crypto/compress.h
new file mode 100644
index 000000000000..e91cdd124382
--- /dev/null
+++ b/crypto/compress.h
@@ -0,0 +1,27 @@ 
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * Cryptographic API.
+ *
+ * Copyright 2015 LG Electronics Inc.
+ * Copyright (c) 2016, Intel Corporation
+ * Copyright (c) 2023 Herbert Xu <herbert@gondor.apana.org.au>
+ */
+#ifndef _LOCAL_CRYPTO_COMPRESS_H
+#define _LOCAL_CRYPTO_COMPRESS_H
+
+#include "internal.h"
+
+struct acomp_req;
+struct comp_alg_common;
+struct sk_buff;
+
+int crypto_init_scomp_ops_async(struct crypto_tfm *tfm);
+struct acomp_req *crypto_acomp_scomp_alloc_ctx(struct acomp_req *req);
+void crypto_acomp_scomp_free_ctx(struct acomp_req *req);
+
+int crypto_acomp_report_stat(struct sk_buff *skb, struct crypto_alg *alg);
+
+void comp_prepare_alg(struct comp_alg_common *alg);
+
+#endif	/* _LOCAL_CRYPTO_COMPRESS_H */
+
diff --git a/crypto/crypto_user_stat.c b/crypto/crypto_user_stat.c
index d65f10f71f11..ad616e19a3e1 100644
--- a/crypto/crypto_user_stat.c
+++ b/crypto/crypto_user_stat.c
@@ -51,31 +51,10 @@  static int crypto_report_comp(struct sk_buff *skb, struct crypto_alg *alg)
 	memset(&rcomp, 0, sizeof(rcomp));
 
 	strscpy(rcomp.type, "compression", sizeof(rcomp.type));
-	rcomp.stat_compress_cnt = atomic64_read(&alg->stats.compress.compress_cnt);
-	rcomp.stat_compress_tlen = atomic64_read(&alg->stats.compress.compress_tlen);
-	rcomp.stat_decompress_cnt = atomic64_read(&alg->stats.compress.decompress_cnt);
-	rcomp.stat_decompress_tlen = atomic64_read(&alg->stats.compress.decompress_tlen);
-	rcomp.stat_err_cnt = atomic64_read(&alg->stats.compress.err_cnt);
 
 	return nla_put(skb, CRYPTOCFGA_STAT_COMPRESS, sizeof(rcomp), &rcomp);
 }
 
-static int crypto_report_acomp(struct sk_buff *skb, struct crypto_alg *alg)
-{
-	struct crypto_stat_compress racomp;
-
-	memset(&racomp, 0, sizeof(racomp));
-
-	strscpy(racomp.type, "acomp", sizeof(racomp.type));
-	racomp.stat_compress_cnt = atomic64_read(&alg->stats.compress.compress_cnt);
-	racomp.stat_compress_tlen = atomic64_read(&alg->stats.compress.compress_tlen);
-	racomp.stat_decompress_cnt =  atomic64_read(&alg->stats.compress.decompress_cnt);
-	racomp.stat_decompress_tlen = atomic64_read(&alg->stats.compress.decompress_tlen);
-	racomp.stat_err_cnt = atomic64_read(&alg->stats.compress.err_cnt);
-
-	return nla_put(skb, CRYPTOCFGA_STAT_ACOMP, sizeof(racomp), &racomp);
-}
-
 static int crypto_report_kpp(struct sk_buff *skb, struct crypto_alg *alg)
 {
 	struct crypto_stat_kpp rkpp;
@@ -156,14 +135,6 @@  static int crypto_reportstat_one(struct crypto_alg *alg,
 		if (crypto_report_comp(skb, alg))
 			goto nla_put_failure;
 		break;
-	case CRYPTO_ALG_TYPE_ACOMPRESS:
-		if (crypto_report_acomp(skb, alg))
-			goto nla_put_failure;
-		break;
-	case CRYPTO_ALG_TYPE_SCOMPRESS:
-		if (crypto_report_acomp(skb, alg))
-			goto nla_put_failure;
-		break;
 	case CRYPTO_ALG_TYPE_KPP:
 		if (crypto_report_kpp(skb, alg))
 			goto nla_put_failure;
diff --git a/crypto/scompress.c b/crypto/scompress.c
index 738f4f8f0f41..214283f7730a 100644
--- a/crypto/scompress.c
+++ b/crypto/scompress.c
@@ -6,23 +6,22 @@ 
  * Copyright (c) 2016, Intel Corporation
  * Author: Giovanni Cabiddu <giovanni.cabiddu@intel.com>
  */
-#include <linux/errno.h>
+
+#include <crypto/internal/acompress.h>
+#include <crypto/internal/scompress.h>
+#include <crypto/scatterwalk.h>
+#include <linux/cryptouser.h>
+#include <linux/err.h>
 #include <linux/kernel.h>
 #include <linux/module.h>
+#include <linux/scatterlist.h>
 #include <linux/seq_file.h>
 #include <linux/slab.h>
 #include <linux/string.h>
-#include <linux/crypto.h>
-#include <linux/compiler.h>
 #include <linux/vmalloc.h>
-#include <crypto/algapi.h>
-#include <linux/cryptouser.h>
 #include <net/netlink.h>
-#include <linux/scatterlist.h>
-#include <crypto/scatterwalk.h>
-#include <crypto/internal/acompress.h>
-#include <crypto/internal/scompress.h>
-#include "internal.h"
+
+#include "compress.h"
 
 struct scomp_scratch {
 	spinlock_t	lock;
@@ -248,6 +247,9 @@  static const struct crypto_type crypto_scomp_type = {
 	.show = crypto_scomp_show,
 #endif
 	.report = crypto_scomp_report,
+#ifdef CONFIG_CRYPTO_STATS
+	.report_stat = crypto_acomp_report_stat,
+#endif
 	.maskclear = ~CRYPTO_ALG_TYPE_MASK,
 	.maskset = CRYPTO_ALG_TYPE_MASK,
 	.type = CRYPTO_ALG_TYPE_SCOMPRESS,
@@ -256,10 +258,11 @@  static const struct crypto_type crypto_scomp_type = {
 
 int crypto_register_scomp(struct scomp_alg *alg)
 {
-	struct crypto_alg *base = &alg->base;
+	struct crypto_alg *base = &alg->calg.base;
+
+	comp_prepare_alg(&alg->calg);
 
 	base->cra_type = &crypto_scomp_type;
-	base->cra_flags &= ~CRYPTO_ALG_TYPE_MASK;
 	base->cra_flags |= CRYPTO_ALG_TYPE_SCOMPRESS;
 
 	return crypto_register_alg(base);
diff --git a/include/crypto/acompress.h b/include/crypto/acompress.h
index e4bc96528902..7b15af751cf3 100644
--- a/include/crypto/acompress.h
+++ b/include/crypto/acompress.h
@@ -8,6 +8,9 @@ 
  */
 #ifndef _CRYPTO_ACOMP_H
 #define _CRYPTO_ACOMP_H
+
+#include <linux/atomic.h>
+#include <linux/container_of.h>
 #include <linux/crypto.h>
 
 #define CRYPTO_ACOMP_ALLOC_OUTPUT	0x00000001
@@ -53,37 +56,35 @@  struct crypto_acomp {
 	struct crypto_tfm base;
 };
 
-/**
- * struct acomp_alg - asynchronous compression algorithm
- *
- * @compress:	Function performs a compress operation
- * @decompress:	Function performs a de-compress operation
- * @dst_free:	Frees destination buffer if allocated inside the algorithm
- * @init:	Initialize the cryptographic transformation object.
- *		This function is used to initialize the cryptographic
- *		transformation object. This function is called only once at
- *		the instantiation time, right after the transformation context
- *		was allocated. In case the cryptographic hardware has some
- *		special requirements which need to be handled by software, this
- *		function shall check for the precise requirement of the
- *		transformation and put any software fallbacks in place.
- * @exit:	Deinitialize the cryptographic transformation object. This is a
- *		counterpart to @init, used to remove various changes set in
- *		@init.
- *
- * @reqsize:	Context size for (de)compression requests
- * @base:	Common crypto API algorithm data structure
+/*
+ * struct crypto_istat_compress - statistics for compress algorithm
+ * @compress_cnt:	number of compress requests
+ * @compress_tlen:	total data size handled by compress requests
+ * @decompress_cnt:	number of decompress requests
+ * @decompress_tlen:	total data size handled by decompress requests
+ * @err_cnt:		number of error for compress requests
  */
-struct acomp_alg {
-	int (*compress)(struct acomp_req *req);
-	int (*decompress)(struct acomp_req *req);
-	void (*dst_free)(struct scatterlist *dst);
-	int (*init)(struct crypto_acomp *tfm);
-	void (*exit)(struct crypto_acomp *tfm);
-	unsigned int reqsize;
-	struct crypto_alg base;
+struct crypto_istat_compress {
+	atomic64_t compress_cnt;
+	atomic64_t compress_tlen;
+	atomic64_t decompress_cnt;
+	atomic64_t decompress_tlen;
+	atomic64_t err_cnt;
 };
 
+#ifdef CONFIG_CRYPTO_STATS
+#define COMP_ALG_COMMON_STATS struct crypto_istat_compress stat;
+#else
+#define COMP_ALG_COMMON_STATS
+#endif
+
+#define COMP_ALG_COMMON {			\
+	struct crypto_alg base;			\
+						\
+	COMP_ALG_COMMON_STATS			\
+}
+struct comp_alg_common COMP_ALG_COMMON;
+
 /**
  * DOC: Asynchronous Compression API
  *
@@ -131,9 +132,10 @@  static inline struct crypto_tfm *crypto_acomp_tfm(struct crypto_acomp *tfm)
 	return &tfm->base;
 }
 
-static inline struct acomp_alg *__crypto_acomp_alg(struct crypto_alg *alg)
+static inline struct comp_alg_common *__crypto_comp_alg_common(
+	struct crypto_alg *alg)
 {
-	return container_of(alg, struct acomp_alg, base);
+	return container_of(alg, struct comp_alg_common, base);
 }
 
 static inline struct crypto_acomp *__crypto_acomp_tfm(struct crypto_tfm *tfm)
@@ -141,9 +143,10 @@  static inline struct crypto_acomp *__crypto_acomp_tfm(struct crypto_tfm *tfm)
 	return container_of(tfm, struct crypto_acomp, base);
 }
 
-static inline struct acomp_alg *crypto_acomp_alg(struct crypto_acomp *tfm)
+static inline struct comp_alg_common *crypto_comp_alg_common(
+	struct crypto_acomp *tfm)
 {
-	return __crypto_acomp_alg(crypto_acomp_tfm(tfm)->__crt_alg);
+	return __crypto_comp_alg_common(crypto_acomp_tfm(tfm)->__crt_alg);
 }
 
 static inline unsigned int crypto_acomp_reqsize(struct crypto_acomp *tfm)
@@ -250,6 +253,27 @@  static inline void acomp_request_set_params(struct acomp_req *req,
 		req->flags |= CRYPTO_ACOMP_ALLOC_OUTPUT;
 }
 
+static inline struct crypto_istat_compress *comp_get_stat(
+	struct comp_alg_common *alg)
+{
+#ifdef CONFIG_CRYPTO_STATS
+	return &alg->stat;
+#else
+	return NULL;
+#endif
+}
+
+static inline int crypto_comp_errstat(struct comp_alg_common *alg, int err)
+{
+	if (!IS_ENABLED(CONFIG_CRYPTO_STATS))
+		return err;
+
+	if (err && err != -EINPROGRESS && err != -EBUSY)
+		atomic64_inc(&comp_get_stat(alg)->err_cnt);
+
+	return err;
+}
+
 /**
  * crypto_acomp_compress() -- Invoke asynchronous compress operation
  *
@@ -262,14 +286,18 @@  static inline void acomp_request_set_params(struct acomp_req *req,
 static inline int crypto_acomp_compress(struct acomp_req *req)
 {
 	struct crypto_acomp *tfm = crypto_acomp_reqtfm(req);
-	struct crypto_alg *alg = tfm->base.__crt_alg;
-	unsigned int slen = req->slen;
-	int ret;
-
-	crypto_stats_get(alg);
-	ret = tfm->compress(req);
-	crypto_stats_compress(slen, ret, alg);
-	return ret;
+	struct comp_alg_common *alg;
+
+	alg = crypto_comp_alg_common(tfm);
+
+	if (IS_ENABLED(CONFIG_CRYPTO_STATS)) {
+		struct crypto_istat_compress *istat = comp_get_stat(alg);
+
+		atomic64_inc(&istat->compress_cnt);
+		atomic64_add(req->slen, &istat->compress_tlen);
+	}
+
+	return crypto_comp_errstat(alg, tfm->compress(req));
 }
 
 /**
@@ -284,14 +312,18 @@  static inline int crypto_acomp_compress(struct acomp_req *req)
 static inline int crypto_acomp_decompress(struct acomp_req *req)
 {
 	struct crypto_acomp *tfm = crypto_acomp_reqtfm(req);
-	struct crypto_alg *alg = tfm->base.__crt_alg;
-	unsigned int slen = req->slen;
-	int ret;
-
-	crypto_stats_get(alg);
-	ret = tfm->decompress(req);
-	crypto_stats_decompress(slen, ret, alg);
-	return ret;
+	struct comp_alg_common *alg;
+
+	alg = crypto_comp_alg_common(tfm);
+
+	if (IS_ENABLED(CONFIG_CRYPTO_STATS)) {
+		struct crypto_istat_compress *istat = comp_get_stat(alg);
+
+		atomic64_inc(&istat->decompress_cnt);
+		atomic64_add(req->slen, &istat->decompress_tlen);
+	}
+
+	return crypto_comp_errstat(alg, tfm->decompress(req));
 }
 
 #endif
diff --git a/include/crypto/internal/acompress.h b/include/crypto/internal/acompress.h
index 978b57a3f4f0..0ea0a53fffee 100644
--- a/include/crypto/internal/acompress.h
+++ b/include/crypto/internal/acompress.h
@@ -12,6 +12,44 @@ 
 #include <crypto/acompress.h>
 #include <crypto/algapi.h>
 
+/**
+ * struct acomp_alg - asynchronous compression algorithm
+ *
+ * @compress:	Function performs a compress operation
+ * @decompress:	Function performs a de-compress operation
+ * @dst_free:	Frees destination buffer if allocated inside the algorithm
+ * @init:	Initialize the cryptographic transformation object.
+ *		This function is used to initialize the cryptographic
+ *		transformation object. This function is called only once at
+ *		the instantiation time, right after the transformation context
+ *		was allocated. In case the cryptographic hardware has some
+ *		special requirements which need to be handled by software, this
+ *		function shall check for the precise requirement of the
+ *		transformation and put any software fallbacks in place.
+ * @exit:	Deinitialize the cryptographic transformation object. This is a
+ *		counterpart to @init, used to remove various changes set in
+ *		@init.
+ * @stat:	Statistics for compress algorithm
+ *
+ * @reqsize:	Context size for (de)compression requests
+ * @base:	Common crypto API algorithm data structure
+ * @calg:	Cmonn algorithm data structure shared with scomp
+ */
+struct acomp_alg {
+	union {
+		struct COMP_ALG_COMMON;
+		struct comp_alg_common calg;
+	};
+
+	int (*compress)(struct acomp_req *req);
+	int (*decompress)(struct acomp_req *req);
+	void (*dst_free)(struct scatterlist *dst);
+	int (*init)(struct crypto_acomp *tfm);
+	void (*exit)(struct crypto_acomp *tfm);
+
+	unsigned int reqsize;
+};
+
 /*
  * Transform internal helpers.
  */
@@ -31,11 +69,6 @@  static inline void acomp_request_complete(struct acomp_req *req,
 	crypto_request_complete(&req->base, err);
 }
 
-static inline const char *acomp_alg_name(struct crypto_acomp *tfm)
-{
-	return crypto_acomp_tfm(tfm)->__crt_alg->cra_name;
-}
-
 static inline struct acomp_req *__acomp_request_alloc(struct crypto_acomp *tfm)
 {
 	struct acomp_req *req;
diff --git a/include/crypto/internal/scompress.h b/include/crypto/internal/scompress.h
index 252cc949d4ee..468ed4cc9e74 100644
--- a/include/crypto/internal/scompress.h
+++ b/include/crypto/internal/scompress.h
@@ -9,10 +9,13 @@ 
 #ifndef _CRYPTO_SCOMP_INT_H
 #define _CRYPTO_SCOMP_INT_H
 
+#include <crypto/acompress.h>
 #include <crypto/algapi.h>
 
 #define SCOMP_SCRATCH_SIZE	131072
 
+struct acomp_req;
+
 struct crypto_scomp {
 	struct crypto_tfm base;
 };
@@ -24,9 +27,16 @@  struct crypto_scomp {
  * @free_ctx:	Function frees context allocated with alloc_ctx
  * @compress:	Function performs a compress operation
  * @decompress:	Function performs a de-compress operation
+ * @stat:	Statistics for compress algorithm
  * @base:	Common crypto API algorithm data structure
+ * @calg:	Cmonn algorithm data structure shared with acomp
  */
 struct scomp_alg {
+	union {
+		struct COMP_ALG_COMMON;
+		struct comp_alg_common calg;
+	};
+
 	void *(*alloc_ctx)(struct crypto_scomp *tfm);
 	void (*free_ctx)(struct crypto_scomp *tfm, void *ctx);
 	int (*compress)(struct crypto_scomp *tfm, const u8 *src,
@@ -35,7 +45,6 @@  struct scomp_alg {
 	int (*decompress)(struct crypto_scomp *tfm, const u8 *src,
 			  unsigned int slen, u8 *dst, unsigned int *dlen,
 			  void *ctx);
-	struct crypto_alg base;
 };
 
 static inline struct scomp_alg *__crypto_scomp_alg(struct crypto_alg *alg)
@@ -90,10 +99,6 @@  static inline int crypto_scomp_decompress(struct crypto_scomp *tfm,
 						 ctx);
 }
 
-int crypto_init_scomp_ops_async(struct crypto_tfm *tfm);
-struct acomp_req *crypto_acomp_scomp_alloc_ctx(struct acomp_req *req);
-void crypto_acomp_scomp_free_ctx(struct acomp_req *req);
-
 /**
  * crypto_register_scomp() -- Register synchronous compression algorithm
  *
diff --git a/include/linux/crypto.h b/include/linux/crypto.h
index caf759e4201c..42bc55b642a0 100644
--- a/include/linux/crypto.h
+++ b/include/linux/crypto.h
@@ -292,22 +292,6 @@  struct crypto_istat_cipher {
 	atomic64_t err_cnt;
 };
 
-/*
- * struct crypto_istat_compress - statistics for compress algorithm
- * @compress_cnt:	number of compress requests
- * @compress_tlen:	total data size handled by compress requests
- * @decompress_cnt:	number of decompress requests
- * @decompress_tlen:	total data size handled by decompress requests
- * @err_cnt:		number of error for compress requests
- */
-struct crypto_istat_compress {
-	atomic64_t compress_cnt;
-	atomic64_t compress_tlen;
-	atomic64_t decompress_cnt;
-	atomic64_t decompress_tlen;
-	atomic64_t err_cnt;
-};
-
 /*
  * struct crypto_istat_kpp - statistics for KPP algorithm
  * @setsecret_cnt:		number of setsecrey operation
@@ -416,7 +400,6 @@  struct crypto_istat_rng {
  *
  * @stats: union of all possible crypto_istat_xxx structures
  * @stats.cipher:	statistics for cipher algorithm
- * @stats.compress:	statistics for compress algorithm
  * @stats.rng:		statistics for rng algorithm
  * @stats.kpp:		statistics for KPP algorithm
  *
@@ -455,7 +438,6 @@  struct crypto_alg {
 #ifdef CONFIG_CRYPTO_STATS
 	union {
 		struct crypto_istat_cipher cipher;
-		struct crypto_istat_compress compress;
 		struct crypto_istat_rng rng;
 		struct crypto_istat_kpp kpp;
 	} stats;
@@ -466,8 +448,6 @@  struct crypto_alg {
 #ifdef CONFIG_CRYPTO_STATS
 void crypto_stats_init(struct crypto_alg *alg);
 void crypto_stats_get(struct crypto_alg *alg);
-void crypto_stats_compress(unsigned int slen, int ret, struct crypto_alg *alg);
-void crypto_stats_decompress(unsigned int slen, int ret, struct crypto_alg *alg);
 void crypto_stats_kpp_set_secret(struct crypto_alg *alg, int ret);
 void crypto_stats_kpp_generate_public_key(struct crypto_alg *alg, int ret);
 void crypto_stats_kpp_compute_shared_secret(struct crypto_alg *alg, int ret);
@@ -480,10 +460,6 @@  static inline void crypto_stats_init(struct crypto_alg *alg)
 {}
 static inline void crypto_stats_get(struct crypto_alg *alg)
 {}
-static inline void crypto_stats_compress(unsigned int slen, int ret, struct crypto_alg *alg)
-{}
-static inline void crypto_stats_decompress(unsigned int slen, int ret, struct crypto_alg *alg)
-{}
 static inline void crypto_stats_kpp_set_secret(struct crypto_alg *alg, int ret)
 {}
 static inline void crypto_stats_kpp_generate_public_key(struct crypto_alg *alg, int ret)