add dict-compression options to crocksdb and regenerate bindings (#554)

Expose dictionary compression options for rocksdb to Tikv. So we could introduce dictionary compression to Tikv to relieve the compression issue. It's part of work [Issue 8635](https://github.com/tikv/tikv/issues/8635).

Issue Number: https://github.com/tikv/tikv/issues/8635Signed-off-by: Min <anglenet@sina.cn>

librocksdb_sys/crocksdb/c.cc

@@ -2610,12 +2610,13 @@ void crocksdb_options_get_compression_per_level(crocksdb_options_t* opt,
 
 void crocksdb_options_set_compression_options(crocksdb_options_t* opt,
                                               int w_bits, int level,
-                                              int strategy,
-                                              int max_dict_bytes) {
+                                              int strategy, int max_dict_bytes,
+                                              int zstd_max_train_bytes) {
   opt->rep.compression_opts.window_bits = w_bits;
   opt->rep.compression_opts.level = level;
   opt->rep.compression_opts.strategy = strategy;
   opt->rep.compression_opts.max_dict_bytes = max_dict_bytes;
+  opt->rep.compression_opts.zstd_max_train_bytes = zstd_max_train_bytes;
 }
 
 void crocksdb_options_set_use_direct_reads(crocksdb_options_t* opt,

librocksdb_sys/crocksdb/crocksdb/c.h

@@ -967,7 +967,7 @@ extern C_ROCKSDB_LIBRARY_API void crocksdb_options_set_max_open_files(
 extern C_ROCKSDB_LIBRARY_API void crocksdb_options_set_max_total_wal_size(
     crocksdb_options_t* opt, uint64_t n);
 extern C_ROCKSDB_LIBRARY_API void crocksdb_options_set_compression_options(
-    crocksdb_options_t*, int, int, int, int);
+    crocksdb_options_t*, int, int, int, int, int);
 extern C_ROCKSDB_LIBRARY_API void crocksdb_options_set_use_direct_reads(
     crocksdb_options_t* opt, unsigned char v);
 extern C_ROCKSDB_LIBRARY_API void

librocksdb_sys/src/lib.rs

@@ -696,6 +696,7 @@ extern "C" {
         level: c_int,
         strategy: c_int,
         max_dict_bytes: c_int,
+        zstd_max_train_bytes: c_int,
     );
     pub fn crocksdb_options_set_compression_per_level(
         options: *mut Options,

src/rocksdb_options.rs

@@ -1412,6 +1412,7 @@ impl ColumnFamilyOptions {
         level: i32,
         strategy: i32,
         max_dict_bytes: i32,
+        zstd_max_train_bytes: i32,
     ) {
         unsafe {
             crocksdb_ffi::crocksdb_options_set_compression_options(
@@ -1420,6 +1421,7 @@ impl ColumnFamilyOptions {
                 level,
                 strategy,
                 max_dict_bytes,
+                zstd_max_train_bytes,
             )
         }
     }