Cleanup unused variable pending_fsync_.

Summary: Cleanup unused variable pending_fsync_.

Test Plan: make check

Subscribers: leveldb, andrewkr, dhruba

Differential Revision: https://reviews.facebook.net/D61581

util/file_reader_writer.cc

@@ -51,7 +51,6 @@ Status WritableFileWriter::Append(const Slice& data) {
   size_t left = data.size();
   Status s;
   pending_sync_ = true;
-  pending_fsync_ = true;
 
   TEST_KILL_RANDOM("WritableFileWriter::Append:0",
                    rocksdb_kill_odds * REDUCE_ODDS2);
@@ -218,9 +217,6 @@ Status WritableFileWriter::Sync(bool use_fsync) {
   }
   TEST_KILL_RANDOM("WritableFileWriter::Sync:1", rocksdb_kill_odds);
   pending_sync_ = false;
-  if (use_fsync) {
-    pending_fsync_ = false;
-  }
   return Status::OK();
 }
 

util/file_reader_writer.h

@@ -102,7 +102,6 @@ class WritableFileWriter {
   // so we need to go back and write that page again
   uint64_t                next_write_offset_;
   bool                    pending_sync_;
-  bool                    pending_fsync_;
   const bool              direct_io_;
   const bool              use_os_buffer_;
   uint64_t                last_sync_size_;
@@ -118,7 +117,6 @@ class WritableFileWriter {
         filesize_(0),
         next_write_offset_(0),
         pending_sync_(false),
-        pending_fsync_(false),
         direct_io_(writable_file_->UseDirectIO()),
         use_os_buffer_(writable_file_->UseOSBuffer()),
         last_sync_size_(0),