add readahead size option (#1146)

8 years ago · 21c047ab49
parent 71c7eed91c
commit 21c047ab49
2 changed files with 7 additions and 0 deletions
--- a/db/c.cc
+++ b/db/c.cc
@ -2127,6 +2127,11 @@ void rocksdb_readoptions_set_tailing(
  opt->rep.tailing = v;
 }

+void rocksdb_readoptions_set_readahead_size(
+    rocksdb_readoptions_t* opt, size_t v) {
+  opt->rep.readahead_size = v;
+}
+
 rocksdb_writeoptions_t* rocksdb_writeoptions_create() {
  return new rocksdb_writeoptions_t;
 }
--- a/include/rocksdb/c.h
+++ b/include/rocksdb/c.h
@ -819,6 +819,8 @@ extern ROCKSDB_LIBRARY_API void rocksdb_readoptions_set_read_tier(
    rocksdb_readoptions_t*, int);
 extern ROCKSDB_LIBRARY_API void rocksdb_readoptions_set_tailing(
    rocksdb_readoptions_t*, unsigned char);
+extern ROCKSDB_LIBRARY_API void rocksdb_readoptions_set_readahead_size(
+    rocksdb_readoptions_t*, size_t);

 /* Write options */