Merge pull request ceph#65915 from edwinzrodriguez/ceph-zstd-update

zstd: Update zstd to 1.5.6 for cmake 4 compatability

Author: SrinivasaBharath

src/compressor/zstd/ZstdCompressor.h

@@ -28,8 +28,25 @@ class ZstdCompressor : public Compressor {
   ZstdCompressor(CephContext *cct) : Compressor(COMP_ALG_ZSTD, "zstd"), cct(cct) {}
 
   int compress(const ceph::buffer::list &src, ceph::buffer::list &dst, std::optional<int32_t> &compressor_message) override {
-    ZSTD_CStream *s = ZSTD_createCStream();
-    ZSTD_initCStream_srcSize(s, cct->_conf->compressor_zstd_level, src.length());
+    ZSTD_CCtx *s = ZSTD_createCCtx();
+    if (!s) {
+      return -ENOMEM;
+    }
+    size_t res = ZSTD_CCtx_reset(s, ZSTD_reset_session_and_parameters);
+    if (ZSTD_isError(res)) {
+      ZSTD_freeCCtx(s);
+      return -EINVAL;
+    }
+    res = ZSTD_CCtx_setParameter(s, ZSTD_c_compressionLevel, cct->_conf->compressor_zstd_level);
+    if (ZSTD_isError(res)) {
+      ZSTD_freeCCtx(s);
+      return -EINVAL;
+    }
+    res = ZSTD_CCtx_setPledgedSrcSize(s, src.length());
+    if (ZSTD_isError(res)) {
+      ZSTD_freeCCtx(s);
+      return -EINVAL;
+    }
     auto p = src.begin();
     size_t left = src.length();
 
@@ -49,12 +66,13 @@ class ZstdCompressor : public Compressor {
       ZSTD_EndDirective const zed = (left==0) ? ZSTD_e_end : ZSTD_e_continue;
       size_t r = ZSTD_compressStream2(s, &outbuf, &inbuf, zed);
       if (ZSTD_isError(r)) {
-	return -EINVAL;
+        ZSTD_freeCCtx(s);
+        return -EINVAL;
       }
     }
     ceph_assert(p.get_remaining() == 0);
 
-    ZSTD_freeCStream(s);
+    ZSTD_freeCCtx(s);
 
     // prefix with decompressed length
     ceph::encode((uint32_t)src.length(), dst);