From nobody Wed Dec 17 10:50:54 2025 Received: from mail-ot1-f48.google.com (mail-ot1-f48.google.com [209.85.210.48]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 440CC137901 for ; Fri, 12 Jul 2024 05:19:43 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.210.48 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1720761585; cv=none; b=CIcrgiQ/vP/t8vRJ0CXlub0D1VOgdDG70lTfMwJH3KGPyjlv9EK5EsApGWuBgSAm9PCciObIPN3OpfCPoGAzXKwa5al4XwWEj0TmAYga+c9ElFD1TCWwjgj9iK44JdzcsnHHbG+Jwpb52mbfRMtVcAlNkguEbWJzRWAozuIXrHo= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1720761585; c=relaxed/simple; bh=l4/IxLpUw1QO7VMnaZsULGvU4FmgUSJC4An3ek2IBeE=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=JPqZlqIZWpTPc5MDCcF1QpNfITbWPTfwmLuyHd6zF8AMpzaHWUv1Mjwe3Rj0lXFci4gEoqXSa6Y0vqR9D1ejKa9tma6hJOGQZr3KHYsNz9rerqCrwkV2XdQlwUN5E1E71J/+aI3mqEthUA7Xg7eedJAYmzL+3cAmfDi6NrmdkBw= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=chromium.org; spf=pass smtp.mailfrom=chromium.org; dkim=pass (1024-bit key) header.d=chromium.org header.i=@chromium.org header.b=bPBqQS4Y; arc=none smtp.client-ip=209.85.210.48 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=chromium.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=chromium.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=chromium.org header.i=@chromium.org header.b="bPBqQS4Y" Received: by mail-ot1-f48.google.com with SMTP id 46e09a7af769-70362cb061aso867988a34.1 for ; Thu, 11 Jul 2024 22:19:43 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; t=1720761582; x=1721366382; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=nAQgpqXzaJO10Nk1DwxHPOG0IMSJ77oGcu6vgn4Dxlg=; b=bPBqQS4YmvYylag0csPnwi7XFcyckdFd/sIz3YlyteNbmw8JeYzDgKVxhRSFtuN7GY O1yjc1CxzdKVmvQEUNcceibs4iOOe+27Zw0OjWWsmQW041WPS91dWU/MTkkKRZdWaJwj fHaTpBIeAP14ZIGG/muPih0BmSa0wAx7ln+fY= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1720761582; x=1721366382; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=nAQgpqXzaJO10Nk1DwxHPOG0IMSJ77oGcu6vgn4Dxlg=; b=f/6h4fJmL7r8GSIu3yVtNQF4KnlAOZEHXWRDhns6hUx5xqUZNESlhdCbzZRZl3UTzi EeVAXOfSaA6tT7oKVbpLnxA67TZlZMurvGRNdcC+sMfKMdxb96Wi4kXgSGJzWAaV1nlf w8mHyjLm4olLK03bniXGd7zxDcdfE56VI8jexk0jEKd6yeNQey3Mc8hpUJVnpe+WY3+1 EIdW2FHeuZs7RDGtUuzUg50VOb7jRJpSCJ666hpa6AkGuJUDobx6TXRtoFJ5ZHtsrCei 4vKue7NBk2CfwepqxRyztavdcnrl2RH+LI2Fn39Ly2aUG0wzO0MsURj2f2GR+KSkh9cy h8xQ== X-Gm-Message-State: AOJu0YzlX+gi1qIoXdHTf1wJnVRPa4exc4J/3DZ0TeBlgYlsVb2/SL1C /UnEF7u5MT4/1iWJ8iMqDGav8jj7t4T5e7tXVROP1yaEWc+cRcHy1ayjgJ0G/g== X-Google-Smtp-Source: AGHT+IEc1r5bDPc07EXzlyk5Hz9rD6FQc+sV+F5jHTRNKFjKRlFj/GuGeUcOdyV+3dlKjJ815V6O3A== X-Received: by 2002:a05:6830:1088:b0:704:49c0:65f0 with SMTP id 46e09a7af769-70449c06716mr7182298a34.3.1720761582223; Thu, 11 Jul 2024 22:19:42 -0700 (PDT) Received: from tigerii.tok.corp.google.com ([2401:fa00:8f:203:15f3:5252:ec56:52ae]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-70b43967851sm6553436b3a.109.2024.07.11.22.19.40 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 11 Jul 2024 22:19:41 -0700 (PDT) From: Sergey Senozhatsky To: Andrew Morton , Minchan Kim Cc: linux-kernel@vger.kernel.org, Sergey Senozhatsky Subject: [PATCH v6 17/23] zram: introduce zcomp_req structure Date: Fri, 12 Jul 2024 14:18:28 +0900 Message-ID: <20240712051850.484318-18-senozhatsky@chromium.org> X-Mailer: git-send-email 2.45.2.993.g49e7a77208-goog In-Reply-To: <20240712051850.484318-1-senozhatsky@chromium.org> References: <20240712051850.484318-1-senozhatsky@chromium.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Encapsulate compression/decompression data in zcomp_req structure. Signed-off-by: Sergey Senozhatsky --- drivers/block/zram/backend_842.c | 17 ++++++++--------- drivers/block/zram/backend_deflate.c | 26 +++++++++++--------------- drivers/block/zram/backend_lz4.c | 15 +++++++-------- drivers/block/zram/backend_lz4hc.c | 13 ++++++------- drivers/block/zram/backend_lzo.c | 12 ++++++------ drivers/block/zram/backend_lzorle.c | 13 ++++++------- drivers/block/zram/backend_zstd.c | 15 +++++++-------- drivers/block/zram/zcomp.c | 23 ++++++++++++++++------- drivers/block/zram/zcomp.h | 15 ++++++++++----- 9 files changed, 77 insertions(+), 72 deletions(-) diff --git a/drivers/block/zram/backend_842.c b/drivers/block/zram/backend_= 842.c index e14dba30b0a2..1597dc4d4f1c 100644 --- a/drivers/block/zram/backend_842.c +++ b/drivers/block/zram/backend_842.c @@ -38,25 +38,24 @@ static void *create_842(struct zcomp_params *params) return NULL; } =20 -static int compress_842(void *ctx, const unsigned char *src, size_t src_le= n, - unsigned char *dst, size_t *dst_len) +static int compress_842(void *ctx, struct zcomp_req *req) { struct sw842_ctx *zctx =3D ctx; - unsigned int dlen =3D *dst_len; + unsigned int dlen =3D req->dst_len; int ret; =20 - ret =3D sw842_compress(src, src_len, dst, &dlen, zctx->mem); + ret =3D sw842_compress(req->src, req->src_len, req->dst, &dlen, + zctx->mem); if (ret =3D=3D 0) - *dst_len =3D dlen; + req->dst_len =3D dlen; return ret; } =20 -static int decompress_842(void *ctx, const unsigned char *src, size_t src_= len, - unsigned char *dst, size_t dst_len) +static int decompress_842(void *ctx, struct zcomp_req *req) { - unsigned int dlen =3D dst_len; + unsigned int dlen =3D req->dst_len; =20 - return sw842_decompress(src, src_len, dst, &dlen); + return sw842_decompress(req->src, req->src_len, req->dst, &dlen); } =20 const struct zcomp_ops backend_842 =3D { diff --git a/drivers/block/zram/backend_deflate.c b/drivers/block/zram/back= end_deflate.c index ec662ce46897..117852d45aa4 100644 --- a/drivers/block/zram/backend_deflate.c +++ b/drivers/block/zram/backend_deflate.c @@ -74,9 +74,7 @@ static void *deflate_create(struct zcomp_params *params) return NULL; } =20 -static int deflate_compress(void *ctx, const unsigned char *src, - size_t src_len, unsigned char *dst, - size_t *dst_len) +static int deflate_compress(void *ctx, struct zcomp_req *req) { struct deflate_ctx *zctx =3D ctx; struct z_stream_s *deflate; @@ -87,22 +85,20 @@ static int deflate_compress(void *ctx, const unsigned c= har *src, if (ret !=3D Z_OK) return -EINVAL; =20 - deflate->next_in =3D (u8 *)src; - deflate->avail_in =3D src_len; - deflate->next_out =3D (u8 *)dst; - deflate->avail_out =3D *dst_len; + deflate->next_in =3D (u8 *)req->src; + deflate->avail_in =3D req->src_len; + deflate->next_out =3D (u8 *)req->dst; + deflate->avail_out =3D req->dst_len; =20 ret =3D zlib_deflate(deflate, Z_FINISH); if (ret !=3D Z_STREAM_END) return -EINVAL; =20 - *dst_len =3D deflate->total_out; + req->dst_len =3D deflate->total_out; return 0; } =20 -static int deflate_decompress(void *ctx, const unsigned char *src, - size_t src_len, unsigned char *dst, - size_t dst_len) +static int deflate_decompress(void *ctx, struct zcomp_req *req) { struct deflate_ctx *zctx =3D ctx; struct z_stream_s *inflate; @@ -114,10 +110,10 @@ static int deflate_decompress(void *ctx, const unsign= ed char *src, if (ret !=3D Z_OK) return -EINVAL; =20 - inflate->next_in =3D (u8 *)src; - inflate->avail_in =3D src_len; - inflate->next_out =3D (u8 *)dst; - inflate->avail_out =3D dst_len; + inflate->next_in =3D (u8 *)req->src; + inflate->avail_in =3D req->src_len; + inflate->next_out =3D (u8 *)req->dst; + inflate->avail_out =3D req->dst_len; =20 ret =3D zlib_inflate(inflate, Z_SYNC_FLUSH); if (ret !=3D Z_STREAM_END) diff --git a/drivers/block/zram/backend_lz4.c b/drivers/block/zram/backend_= lz4.c index ec57b5acbd39..cc4ae4097870 100644 --- a/drivers/block/zram/backend_lz4.c +++ b/drivers/block/zram/backend_lz4.c @@ -41,26 +41,25 @@ static void *lz4_create(struct zcomp_params *params) return NULL; } =20 -static int lz4_compress(void *ctx, const unsigned char *src, size_t src_le= n, - unsigned char *dst, size_t *dst_len) +static int lz4_compress(void *ctx, struct zcomp_req *req) { struct lz4_ctx *zctx =3D ctx; int ret; =20 - ret =3D LZ4_compress_fast(src, dst, src_len, *dst_len, - zctx->level, zctx->mem); + ret =3D LZ4_compress_fast(req->src, req->dst, req->src_len, + req->dst_len, zctx->level, zctx->mem); if (!ret) return -EINVAL; - *dst_len =3D ret; + req->dst_len =3D ret; return 0; } =20 -static int lz4_decompress(void *ctx, const unsigned char *src, - size_t src_len, unsigned char *dst, size_t dst_len) +static int lz4_decompress(void *ctx, struct zcomp_req *req) { int ret; =20 - ret =3D LZ4_decompress_safe(src, dst, src_len, dst_len); + ret =3D LZ4_decompress_safe(req->src, req->dst, req->src_len, + req->dst_len); if (ret < 0) return -EINVAL; return 0; diff --git a/drivers/block/zram/backend_lz4hc.c b/drivers/block/zram/backen= d_lz4hc.c index 80733fead595..610dadc09751 100644 --- a/drivers/block/zram/backend_lz4hc.c +++ b/drivers/block/zram/backend_lz4hc.c @@ -41,26 +41,25 @@ static void *lz4hc_create(struct zcomp_params *params) return NULL; } =20 -static int lz4hc_compress(void *ctx, const unsigned char *src, size_t src_= len, - unsigned char *dst, size_t *dst_len) +static int lz4hc_compress(void *ctx, struct zcomp_req *req) { struct lz4hc_ctx *zctx =3D ctx; int ret; =20 - ret =3D LZ4_compress_HC(src, dst, src_len, *dst_len, + ret =3D LZ4_compress_HC(req->src, req->dst, req->src_len, req->dst_len, zctx->level, zctx->mem); if (!ret) return -EINVAL; - *dst_len =3D ret; + req->dst_len =3D ret; return 0; } =20 -static int lz4hc_decompress(void *ctx, const unsigned char *src, - size_t src_len, unsigned char *dst, size_t dst_len) +static int lz4hc_decompress(void *ctx, struct zcomp_req *req) { int ret; =20 - ret =3D LZ4_decompress_safe(src, dst, src_len, dst_len); + ret =3D LZ4_decompress_safe(req->src, req->dst, req->src_len, + req->dst_len); if (ret < 0) return -EINVAL; return 0; diff --git a/drivers/block/zram/backend_lzo.c b/drivers/block/zram/backend_= lzo.c index 8e4aabd04bf3..88f1aa5683f3 100644 --- a/drivers/block/zram/backend_lzo.c +++ b/drivers/block/zram/backend_lzo.c @@ -16,21 +16,21 @@ static void lzo_destroy(void *ctx) kfree(ctx); } =20 -static int lzo_compress(void *ctx, const unsigned char *src, size_t src_le= n, - unsigned char *dst, size_t *dst_len) +static int lzo_compress(void *ctx, struct zcomp_req *req) { int ret; =20 - ret =3D lzo1x_1_compress(src, src_len, dst, dst_len, ctx); + ret =3D lzo1x_1_compress(req->src, req->src_len, req->dst, + &req->dst_len, ctx); return ret =3D=3D LZO_E_OK ? 0 : ret; } =20 -static int lzo_decompress(void *ctx, const unsigned char *src, size_t src_= len, - unsigned char *dst, size_t dst_len) +static int lzo_decompress(void *ctx, struct zcomp_req *req) { int ret; =20 - ret =3D lzo1x_decompress_safe(src, src_len, dst, &dst_len); + ret =3D lzo1x_decompress_safe(req->src, req->src_len, + req->dst, &req->dst_len); return ret =3D=3D LZO_E_OK ? 0 : ret; } =20 diff --git a/drivers/block/zram/backend_lzorle.c b/drivers/block/zram/backe= nd_lzorle.c index cb01eb8b04f4..f05820929a74 100644 --- a/drivers/block/zram/backend_lzorle.c +++ b/drivers/block/zram/backend_lzorle.c @@ -16,22 +16,21 @@ static void lzorle_destroy(void *ctx) kfree(ctx); } =20 -static int lzorle_compress(void *ctx, const unsigned char *src, size_t src= _len, - unsigned char *dst, size_t *dst_len) +static int lzorle_compress(void *ctx, struct zcomp_req *req) { int ret; =20 - ret =3D lzorle1x_1_compress(src, src_len, dst, dst_len, ctx); + ret =3D lzorle1x_1_compress(req->src, req->src_len, req->dst, + &req->dst_len, ctx); return ret =3D=3D LZO_E_OK ? 0 : ret; } =20 -static int lzorle_decompress(void *ctx, const unsigned char *src, - size_t src_len, unsigned char *dst, - size_t dst_len) +static int lzorle_decompress(void *ctx, struct zcomp_req *req) { int ret; =20 - ret =3D lzo1x_decompress_safe(src, src_len, dst, &dst_len); + ret =3D lzo1x_decompress_safe(req->src, req->src_len, + req->dst, &req->dst_len); return ret =3D=3D LZO_E_OK ? 0 : ret; } =20 diff --git a/drivers/block/zram/backend_zstd.c b/drivers/block/zram/backend= _zstd.c index 7c6798f0c912..19eba65f44c9 100644 --- a/drivers/block/zram/backend_zstd.c +++ b/drivers/block/zram/backend_zstd.c @@ -67,27 +67,26 @@ static void *zstd_create(struct zcomp_params *params) return NULL; } =20 -static int zstd_compress(void *ctx, const unsigned char *src, size_t src_l= en, - unsigned char *dst, size_t *dst_len) +static int zstd_compress(void *ctx, struct zcomp_req *req) { struct zstd_ctx *zctx =3D ctx; size_t ret; =20 - ret =3D zstd_compress_cctx(zctx->cctx, dst, *dst_len, - src, src_len, &zctx->cprm); + ret =3D zstd_compress_cctx(zctx->cctx, req->dst, req->dst_len, + req->src, req->src_len, &zctx->cprm); if (zstd_is_error(ret)) return -EINVAL; - *dst_len =3D ret; + req->dst_len =3D ret; return 0; } =20 -static int zstd_decompress(void *ctx, const unsigned char *src, size_t src= _len, - unsigned char *dst, size_t dst_len) +static int zstd_decompress(void *ctx, struct zcomp_req *req) { struct zstd_ctx *zctx =3D ctx; size_t ret; =20 - ret =3D zstd_decompress_dctx(zctx->dctx, dst, dst_len, src, src_len); + ret =3D zstd_decompress_dctx(zctx->dctx, req->dst, req->dst_len, + req->src, req->src_len); if (zstd_is_error(ret)) return -EINVAL; return 0; diff --git a/drivers/block/zram/zcomp.c b/drivers/block/zram/zcomp.c index 08c51f33b5d9..5048087390ea 100644 --- a/drivers/block/zram/zcomp.c +++ b/drivers/block/zram/zcomp.c @@ -118,22 +118,31 @@ void zcomp_stream_put(struct zcomp *comp) int zcomp_compress(struct zcomp *comp, struct zcomp_strm *zstrm, const void *src, unsigned int *dst_len) { - /* The dst buffer should always be 2 * PAGE_SIZE */ - size_t dlen =3D 2 * PAGE_SIZE; + struct zcomp_req req =3D { + .src =3D src, + .dst =3D zstrm->buffer, + .src_len =3D PAGE_SIZE, + .dst_len =3D 2 * PAGE_SIZE, + }; int ret; =20 - ret =3D comp->ops->compress(zstrm->ctx, src, PAGE_SIZE, - zstrm->buffer, &dlen); + ret =3D comp->ops->compress(zstrm->ctx, &req); if (!ret) - *dst_len =3D dlen; + *dst_len =3D req.dst_len; return ret; } =20 int zcomp_decompress(struct zcomp *comp, struct zcomp_strm *zstrm, const void *src, unsigned int src_len, void *dst) { - return comp->ops->decompress(zstrm->ctx, src, src_len, - dst, PAGE_SIZE); + struct zcomp_req req =3D { + .src =3D src, + .dst =3D dst, + .src_len =3D src_len, + .dst_len =3D PAGE_SIZE, + }; + + return comp->ops->decompress(zstrm->ctx, &req); } =20 int zcomp_cpu_up_prepare(unsigned int cpu, struct hlist_node *node) diff --git a/drivers/block/zram/zcomp.h b/drivers/block/zram/zcomp.h index 217a750fa908..bbc48094f826 100644 --- a/drivers/block/zram/zcomp.h +++ b/drivers/block/zram/zcomp.h @@ -21,12 +21,17 @@ struct zcomp_strm { void *ctx; }; =20 -struct zcomp_ops { - int (*compress)(void *ctx, const unsigned char *src, size_t src_len, - unsigned char *dst, size_t *dst_len); +struct zcomp_req { + const unsigned char *src; + const size_t src_len; + + unsigned char *dst; + size_t dst_len; +}; =20 - int (*decompress)(void *ctx, const unsigned char *src, size_t src_len, - unsigned char *dst, size_t dst_len); +struct zcomp_ops { + int (*compress)(void *ctx, struct zcomp_req *req); + int (*decompress)(void *ctx, struct zcomp_req *req); =20 void *(*create_ctx)(struct zcomp_params *params); void (*destroy_ctx)(void *ctx); --=20 2.45.2.993.g49e7a77208-goog