add report_gb_io_stats option

src/ffi.rs

@@ -189,6 +189,7 @@ extern "C" {
     pub fn rocksdb_options_set_filter_deletes(options: DBOptions, v: bool);
     pub fn rocksdb_options_set_disable_auto_compactions(options: DBOptions,
                                                         v: c_int);
+    pub fn rocksdb_options_set_report_bg_io_stats(options: DBOptions, v: c_int);
     pub fn rocksdb_filterpolicy_create_bloom(bits_per_key: c_int)
                                              -> DBFilterPolicy;
     pub fn rocksdb_open(options: DBOptions,

src/rocksdb_options.rs

@@ -315,6 +315,16 @@ impl Options {
             rocksdb_ffi::rocksdb_options_set_block_based_table_factory(self.inner, factory.inner);
         }
     }
+
+    pub fn set_report_bg_io_stats(&mut self, enable: bool) {
+        unsafe {
+            if enable {
+                rocksdb_ffi::rocksdb_options_set_report_bg_io_stats(self.inner, 1);
+            } else {
+                rocksdb_ffi::rocksdb_options_set_report_bg_io_stats(self.inner, 0);
+            }
+        }
+    }
 }
 
 impl Default for Options {