add c-api for allowing FIFO compaction (#11156)

Summary:
Addressing issue https://github.com/facebook/rocksdb/issues/11079

Pull Request resolved: https://github.com/facebook/rocksdb/pull/11156

Reviewed By: pdillinger

Differential Revision: D42869964

Pulled By: ajkr

fbshipit-source-id: 58214901d4e072c568d4c5cf0944a0b1c60de897

db/c.cc

@@ -5139,6 +5139,16 @@ rocksdb_fifo_compaction_options_t* rocksdb_fifo_compaction_options_create() {
   return result;
 }
 
+void rocksdb_fifo_compaction_options_set_allow_compaction(
+    rocksdb_fifo_compaction_options_t* fifo_opts, unsigned char allow_compaction) {
+  fifo_opts->rep.allow_compaction = allow_compaction;
+}
+
+unsigned char rocksdb_fifo_compaction_options_get_allow_compaction(
+    rocksdb_fifo_compaction_options_t* fifo_opts) {
+  return fifo_opts->rep.allow_compaction;
+}
+
 void rocksdb_fifo_compaction_options_set_max_table_files_size(
     rocksdb_fifo_compaction_options_t* fifo_opts, uint64_t size) {
   fifo_opts->rep.max_table_files_size = size;

include/rocksdb/c.h

@@ -2234,6 +2234,12 @@ extern ROCKSDB_LIBRARY_API void rocksdb_universal_compaction_options_destroy(
 extern ROCKSDB_LIBRARY_API rocksdb_fifo_compaction_options_t*
 rocksdb_fifo_compaction_options_create(void);
 extern ROCKSDB_LIBRARY_API void
+rocksdb_fifo_compaction_options_set_allow_compaction(
+    rocksdb_fifo_compaction_options_t* fifo_opts, unsigned char allow_compaction);
+extern ROCKSDB_LIBRARY_API unsigned char
+rocksdb_fifo_compaction_options_get_allow_compaction(
+    rocksdb_fifo_compaction_options_t* fifo_opts);
+extern ROCKSDB_LIBRARY_API void
 rocksdb_fifo_compaction_options_set_max_table_files_size(
     rocksdb_fifo_compaction_options_t* fifo_opts, uint64_t size);
 extern ROCKSDB_LIBRARY_API uint64_t