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diff --git a/src/ceph/src/common/sync_filesystem.h b/src/ceph/src/common/sync_filesystem.h
deleted file mode 100644
index f457f65..0000000
--- a/src/ceph/src/common/sync_filesystem.h
+++ /dev/null
@@ -1,56 +0,0 @@
-// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
-// vim: ts=8 sw=2 smarttab
-/*
- * Ceph - scalable distributed file system
- *
- * Copyright (C) 2011 New Dream Network
- *
- * This is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License version 2.1, as published by the Free Software
- * Foundation.  See file COPYING.
- *
- */
-
-#ifndef CEPH_SYNC_FILESYSTEM_H
-#define CEPH_SYNC_FILESYSTEM_H
-
-#include <unistd.h>
-
-#if defined(__linux__)
-#include <sys/ioctl.h>
-#include <syscall.h>
-#include "os/fs/btrfs_ioctl.h"
-#endif
-
-inline int sync_filesystem(int fd)
-{
-  /* On Linux, newer versions of glibc have a function called syncfs that
-   * performs a sync on only one filesystem. If we don't have this call, we
-   * have to fall back on sync(), which synchronizes every filesystem on the
-   * computer. */
-#ifdef HAVE_SYS_SYNCFS
-  if (syncfs(fd) == 0)
-    return 0;
-#elif defined(SYS_syncfs)
-  if (syscall(SYS_syncfs, fd) == 0)
-    return 0;
-#elif defined(__NR_syncfs)
-  if (syscall(__NR_syncfs, fd) == 0)
-    return 0;
-#endif
-
-#if defined(HAVE_SYS_SYNCFS) || defined(SYS_syncfs) || defined(__NR_syncfs)
-  else if (errno == ENOSYS) {
-    sync();
-    return 0;
-  } else {
-    return -errno;
-  }
-#else
-  sync();
-  return 0;
-#endif
-}
-
-#endif