Add C API to set avoid_unnecessary_blocking_io option (#10693)

Summary: Pull Request resolved: https://github.com/facebook/rocksdb/pull/10693

Reviewed By: riversand963

Differential Revision: D39668399

Pulled By: ajkr

fbshipit-source-id: 66d46e5104c49d235a14e8df8eec3af285ab9752

db/c.cc

@@ -6468,6 +6468,16 @@ void rocksdb_options_set_memtable_whole_key_filtering(rocksdb_options_t* opt,
   opt->rep.memtable_whole_key_filtering = val;
 }
 
+void rocksdb_options_set_avoid_unnecessary_blocking_io(rocksdb_options_t* opt,
+                                                       unsigned char val) {
+  opt->rep.avoid_unnecessary_blocking_io = val;
+}
+
+unsigned char rocksdb_options_get_avoid_unnecessary_blocking_io(
+    rocksdb_options_t* opt) {
+  return opt->rep.avoid_unnecessary_blocking_io;
+}
+
 // deletes container with memory usage estimates
 void rocksdb_approximate_memory_usage_destroy(rocksdb_memory_usage_t* usage) {
   delete usage;

include/rocksdb/c.h

@@ -1551,6 +1551,11 @@ extern ROCKSDB_LIBRARY_API void rocksdb_options_set_report_bg_io_stats(
     rocksdb_options_t*, int);
 extern ROCKSDB_LIBRARY_API unsigned char rocksdb_options_get_report_bg_io_stats(
     rocksdb_options_t*);
+extern ROCKSDB_LIBRARY_API void
+rocksdb_options_set_avoid_unnecessary_blocking_io(rocksdb_options_t*,
+                                                  unsigned char);
+extern ROCKSDB_LIBRARY_API unsigned char
+rocksdb_options_get_avoid_unnecessary_blocking_io(rocksdb_options_t*);
 
 extern ROCKSDB_LIBRARY_API void
 rocksdb_options_set_experimental_mempurge_threshold(rocksdb_options_t*, double);