Revert "Add disk_space() to llvm::fs"

This reverts commit r265074 and r265068.
Breaks windows build

From: Mehdi Amini <mehdi.amini@apple.com>
llvm-svn: 265080

1 files changed, 0 insertions, 12 deletions

diff --git a/llvm/include/llvm/Support/FileSystem.h b/llvm/include/llvm/Support/FileSystem.h
index 3d780236f12..4a4c3f493a5 100644
--- a/llvm/include/llvm/Support/FileSystem.h
+++ b/llvm/include/llvm/Support/FileSystem.h
@@ -32,7 +32,6 @@
 #include "llvm/ADT/Twine.h"
 #include "llvm/Support/DataTypes.h"
 #include "llvm/Support/ErrorHandling.h"
-#include "llvm/Support/ErrorOr.h"
 #include "llvm/Support/TimeValue.h"
 #include <ctime>
 #include <iterator>
@@ -649,17 +648,6 @@ std::error_code identify_magic(const Twine &path, file_magic &result);
 
 std::error_code getUniqueID(const Twine Path, UniqueID &Result);
 
-/// @brief Get disk space usage information.
-///
-/// Note: Users must be careful about "Time Of Check, Time Of Use" kind of bug.
-/// Note: Windows reports results according to the quota allocated to the user.
-///
-/// @param Path Input path.
-/// @returns a space_info structure filled with the capacity, free, and
-/// available space on the device \a Path is on. A platform specific error_code
-/// is returned on error.
-ErrorOr<space_info> disk_space(const Twine &Path);
-
 /// This class represents a memory mapped file. It is based on
 /// boost::iostreams::mapped_file.
 class mapped_file_region {