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[98.33.101.203]) by smtp.gmail.com with ESMTPSA id b16sm15647269pfp.195.2020.11.02.22.02.11 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 02 Nov 2020 22:02:12 -0800 (PST) From: Nick Terrell To: Herbert Xu Cc: linux-crypto@vger.kernel.org, linux-btrfs@vger.kernel.org, squashfs-devel@lists.sourceforge.net, linux-f2fs-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org, Kernel Team , Nick Terrell , Nick Terrell , Chris Mason , Petr Malat , Johannes Weiner , Niket Agarwal , Yann Collet Subject: [PATCH v5 4/9] crypto: zstd: Switch to zstd-1.4.6 API Date: Mon, 2 Nov 2020 22:05:30 -0800 Message-Id: <20201103060535.8460-5-nickrterrell@gmail.com> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20201103060535.8460-1-nickrterrell@gmail.com> References: <20201103060535.8460-1-nickrterrell@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Nick Terrell Move away from the compatibility wrapper to the zstd-1.4.6 API. This code is functionally equivalent. Signed-off-by: Nick Terrell --- crypto/zstd.c | 24 +++++++++++------------- 1 file changed, 11 insertions(+), 13 deletions(-) diff --git a/crypto/zstd.c b/crypto/zstd.c index dcda3cad3b5c..767fe2fbe009 100644 --- a/crypto/zstd.c +++ b/crypto/zstd.c @@ -11,7 +11,7 @@ #include #include #include -#include +#include #include @@ -24,16 +24,15 @@ struct zstd_ctx { void *dwksp; }; -static ZSTD_parameters zstd_params(void) -{ - return ZSTD_getParams(ZSTD_DEF_LEVEL, 0, 0); -} - static int zstd_comp_init(struct zstd_ctx *ctx) { int ret = 0; - const ZSTD_parameters params = zstd_params(); - const size_t wksp_size = ZSTD_CCtxWorkspaceBound(params.cParams); + const size_t wksp_size = ZSTD_estimateCCtxSize(ZSTD_DEF_LEVEL); + + if (ZSTD_isError(wksp_size)) { + ret = -EINVAL; + goto out_free; + } ctx->cwksp = vzalloc(wksp_size); if (!ctx->cwksp) { @@ -41,7 +40,7 @@ static int zstd_comp_init(struct zstd_ctx *ctx) goto out; } - ctx->cctx = ZSTD_initCCtx(ctx->cwksp, wksp_size); + ctx->cctx = ZSTD_initStaticCCtx(ctx->cwksp, wksp_size); if (!ctx->cctx) { ret = -EINVAL; goto out_free; @@ -56,7 +55,7 @@ static int zstd_comp_init(struct zstd_ctx *ctx) static int zstd_decomp_init(struct zstd_ctx *ctx) { int ret = 0; - const size_t wksp_size = ZSTD_DCtxWorkspaceBound(); + const size_t wksp_size = ZSTD_estimateDCtxSize(); ctx->dwksp = vzalloc(wksp_size); if (!ctx->dwksp) { @@ -64,7 +63,7 @@ static int zstd_decomp_init(struct zstd_ctx *ctx) goto out; } - ctx->dctx = ZSTD_initDCtx(ctx->dwksp, wksp_size); + ctx->dctx = ZSTD_initStaticDCtx(ctx->dwksp, wksp_size); if (!ctx->dctx) { ret = -EINVAL; goto out_free; @@ -152,9 +151,8 @@ static int __zstd_compress(const u8 *src, unsigned int slen, { size_t out_len; struct zstd_ctx *zctx = ctx; - const ZSTD_parameters params = zstd_params(); - out_len = ZSTD_compressCCtx(zctx->cctx, dst, *dlen, src, slen, params); + out_len = ZSTD_compressCCtx(zctx->cctx, dst, *dlen, src, slen, ZSTD_DEF_LEVEL); if (ZSTD_isError(out_len)) return -EINVAL; *dlen = out_len; -- 2.28.0