From dea894ef8de6f5dabd616c14a05af2d261239ae5 Mon Sep 17 00:00:00 2001
From: Lei Jin <lei@fb.com>
Date: Tue, 25 Feb 2014 10:43:46 -0800
Subject: [PATCH] expose wal_dir in db_bench

Summary: as title

Test Plan: ran db_bench

Reviewers: dhruba, haobo

Reviewed By: haobo

CC: leveldb

Differential Revision: https://reviews.facebook.net/D16269
---
 db/db_bench.cc | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/db/db_bench.cc b/db/db_bench.cc
index e40732f28..291a0ce8c 100644
--- a/db/db_bench.cc
+++ b/db/db_bench.cc
@@ -265,6 +265,8 @@ DEFINE_bool(use_fsync, false, "If true, issue fsync instead of fdatasync");
 
 DEFINE_bool(disable_wal, false, "If true, do not write WAL for write.");
 
+DEFINE_string(wal_dir, "", "If not empty, use the given dir for WAL");
+
 DEFINE_bool(use_snapshot, false, "If true, create a snapshot per query when"
             " randomread benchmark is used");
 
@@ -1478,6 +1480,7 @@ class Benchmark {
     options.env = FLAGS_env;
     options.disableDataSync = FLAGS_disable_data_sync;
     options.use_fsync = FLAGS_use_fsync;
+    options.wal_dir = FLAGS_wal_dir;
     options.num_levels = FLAGS_num_levels;
     options.target_file_size_base = FLAGS_target_file_size_base;
     options.target_file_size_multiplier = FLAGS_target_file_size_multiplier;
-- 
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