add unordered write (#380)

Signed-off-by: Little-Wallace <bupt2013211450@gmail.com>

librocksdb_sys/crocksdb/c.cc

@@ -2589,6 +2589,11 @@ void crocksdb_options_set_enable_pipelined_write(crocksdb_options_t *opt,
   opt->rep.enable_pipelined_write = v;
 }
 
+void crocksdb_options_set_unordered_write(crocksdb_options_t* opt,
+                                                unsigned char v) {
+  opt->rep.unordered_write = v;
+}
+
 void crocksdb_options_set_allow_concurrent_memtable_write(crocksdb_options_t* opt,
                                                          unsigned char v) {
   opt->rep.allow_concurrent_memtable_write = v;

librocksdb_sys/crocksdb/crocksdb/c.h

@@ -1042,8 +1042,9 @@ extern C_ROCKSDB_LIBRARY_API void crocksdb_options_set_use_adaptive_mutex(
 extern C_ROCKSDB_LIBRARY_API void crocksdb_options_set_bytes_per_sync(
     crocksdb_options_t*, uint64_t);
 extern C_ROCKSDB_LIBRARY_API void
-crocksdb_options_set_enable_pipelined_write(crocksdb_options_t *,
-                                            unsigned char);
+crocksdb_options_set_enable_pipelined_write(crocksdb_options_t *, unsigned char);
+extern C_ROCKSDB_LIBRARY_API void
+crocksdb_options_set_unordered_write(crocksdb_options_t*, unsigned char);
 extern C_ROCKSDB_LIBRARY_API void
 crocksdb_options_set_allow_concurrent_memtable_write(crocksdb_options_t *,
                                                      unsigned char);

librocksdb_sys/src/lib.rs

@@ -485,6 +485,7 @@ extern "C" {
     pub fn crocksdb_options_set_use_fsync(options: *mut Options, v: c_int);
     pub fn crocksdb_options_set_bytes_per_sync(options: *mut Options, bytes: u64);
     pub fn crocksdb_options_set_enable_pipelined_write(options: *mut Options, v: bool);
+    pub fn crocksdb_options_set_unordered_write(options: *mut Options, v: bool);
     pub fn crocksdb_options_set_allow_concurrent_memtable_write(options: *mut Options, v: bool);
     pub fn crocksdb_options_set_manual_wal_flush(options: *mut Options, v: bool);
     pub fn crocksdb_options_optimize_for_point_lookup(

src/rocksdb_options.rs

@@ -1022,6 +1022,12 @@ impl DBOptions {
         }
     }
 
+    pub fn enable_unordered_write(&self, v: bool) {
+        unsafe {
+            crocksdb_ffi::crocksdb_options_set_unordered_write(self.inner, v);
+        }
+    }
+
     pub fn allow_concurrent_memtable_write(&self, v: bool) {
         unsafe {
             crocksdb_ffi::crocksdb_options_set_allow_concurrent_memtable_write(self.inner, v);