From e003d22526e6b3a5715316e0d1f77a5c3b2878cd Mon Sep 17 00:00:00 2001
From: Chinmay Kamat <ckamat@nutanix.com>
Date: Wed, 14 Mar 2018 00:48:11 -0700
Subject: [PATCH] Fix FaultInjectionTestEnv to work with DirectIO

Summary:
Implemented PositionedAppend() and use_direct_io() for TestWritableFile.
With these changes, FaultInjectionTestEnv can be used with DirectIO enabled.
Closes https://github.com/facebook/rocksdb/pull/3586

Differential Revision: D7244305

Pulled By: yiwu-arbug

fbshipit-source-id: f6b7aece53daa0f9977bc684164a0693693e514c
---
 util/fault_injection_test_env.h | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/util/fault_injection_test_env.h b/util/fault_injection_test_env.h
index 5d0ae6344..1992ab52e 100644
--- a/util/fault_injection_test_env.h
+++ b/util/fault_injection_test_env.h
@@ -68,6 +68,13 @@ class TestWritableFile : public WritableFile {
   virtual Status Flush() override;
   virtual Status Sync() override;
   virtual bool IsSyncThreadSafe() const override { return true; }
+  virtual Status PositionedAppend(const Slice& data,
+                                  uint64_t offset) override {
+    return target_->PositionedAppend(data, offset);
+  }
+  virtual bool use_direct_io() const override {
+    return target_->use_direct_io();
+  };
 
  private:
   FileState state_;
-- 
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