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diff --git a/fs/ntfs/ntfs.h b/fs/ntfs/ntfs.h
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+/*
+ * ntfs.h - Defines for NTFS Linux kernel driver.
+ *
+ * Copyright (c) 2001-2014 Anton Altaparmakov and Tuxera Inc.
+ * Copyright (C) 2002 Richard Russon
+ *
+ * This program/include file is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as published
+ * by the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program/include file is distributed in the hope that it will be
+ * useful, but WITHOUT ANY WARRANTY; without even the implied warranty
+ * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program (in the main directory of the Linux-NTFS
+ * distribution in the file COPYING); if not, write to the Free Software
+ * Foundation,Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#ifndef _LINUX_NTFS_H
+#define _LINUX_NTFS_H
+
+#include <linux/stddef.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/compiler.h>
+#include <linux/fs.h>
+#include <linux/nls.h>
+#include <linux/smp.h>
+#include <linux/pagemap.h>
+
+#include "types.h"
+#include "volume.h"
+#include "layout.h"
+
+typedef enum {
+ NTFS_BLOCK_SIZE = 512,
+ NTFS_BLOCK_SIZE_BITS = 9,
+ NTFS_SB_MAGIC = 0x5346544e, /* 'NTFS' */
+ NTFS_MAX_NAME_LEN = 255,
+ NTFS_MAX_ATTR_NAME_LEN = 255,
+ NTFS_MAX_CLUSTER_SIZE = 64 * 1024, /* 64kiB */
+ NTFS_MAX_PAGES_PER_CLUSTER = NTFS_MAX_CLUSTER_SIZE / PAGE_CACHE_SIZE,
+} NTFS_CONSTANTS;
+
+/* Global variables. */
+
+/* Slab caches (from super.c). */
+extern struct kmem_cache *ntfs_name_cache;
+extern struct kmem_cache *ntfs_inode_cache;
+extern struct kmem_cache *ntfs_big_inode_cache;
+extern struct kmem_cache *ntfs_attr_ctx_cache;
+extern struct kmem_cache *ntfs_index_ctx_cache;
+
+/* The various operations structs defined throughout the driver files. */
+extern const struct address_space_operations ntfs_normal_aops;
+extern const struct address_space_operations ntfs_compressed_aops;
+extern const struct address_space_operations ntfs_mst_aops;
+
+extern const struct file_operations ntfs_file_ops;
+extern const struct inode_operations ntfs_file_inode_ops;
+
+extern const struct file_operations ntfs_dir_ops;
+extern const struct inode_operations ntfs_dir_inode_ops;
+
+extern const struct file_operations ntfs_empty_file_ops;
+extern const struct inode_operations ntfs_empty_inode_ops;
+
+extern const struct export_operations ntfs_export_ops;
+
+/**
+ * NTFS_SB - return the ntfs volume given a vfs super block
+ * @sb: VFS super block
+ *
+ * NTFS_SB() returns the ntfs volume associated with the VFS super block @sb.
+ */
+static inline ntfs_volume *NTFS_SB(struct super_block *sb)
+{
+ return sb->s_fs_info;
+}
+
+/* Declarations of functions and global variables. */
+
+/* From fs/ntfs/compress.c */
+extern int ntfs_read_compressed_block(struct page *page);
+extern int allocate_compression_buffers(void);
+extern void free_compression_buffers(void);
+
+/* From fs/ntfs/super.c */
+#define default_upcase_len 0x10000
+extern struct mutex ntfs_lock;
+
+typedef struct {
+ int val;
+ char *str;
+} option_t;
+extern const option_t on_errors_arr[];
+
+/* From fs/ntfs/mst.c */
+extern int post_read_mst_fixup(NTFS_RECORD *b, const u32 size);
+extern int pre_write_mst_fixup(NTFS_RECORD *b, const u32 size);
+extern void post_write_mst_fixup(NTFS_RECORD *b);
+
+/* From fs/ntfs/unistr.c */
+extern bool ntfs_are_names_equal(const ntfschar *s1, size_t s1_len,
+ const ntfschar *s2, size_t s2_len,
+ const IGNORE_CASE_BOOL ic,
+ const ntfschar *upcase, const u32 upcase_size);
+extern int ntfs_collate_names(const ntfschar *name1, const u32 name1_len,
+ const ntfschar *name2, const u32 name2_len,
+ const int err_val, const IGNORE_CASE_BOOL ic,
+ const ntfschar *upcase, const u32 upcase_len);
+extern int ntfs_ucsncmp(const ntfschar *s1, const ntfschar *s2, size_t n);
+extern int ntfs_ucsncasecmp(const ntfschar *s1, const ntfschar *s2, size_t n,
+ const ntfschar *upcase, const u32 upcase_size);
+extern void ntfs_upcase_name(ntfschar *name, u32 name_len,
+ const ntfschar *upcase, const u32 upcase_len);
+extern void ntfs_file_upcase_value(FILE_NAME_ATTR *file_name_attr,
+ const ntfschar *upcase, const u32 upcase_len);
+extern int ntfs_file_compare_values(FILE_NAME_ATTR *file_name_attr1,
+ FILE_NAME_ATTR *file_name_attr2,
+ const int err_val, const IGNORE_CASE_BOOL ic,
+ const ntfschar *upcase, const u32 upcase_len);
+extern int ntfs_nlstoucs(const ntfs_volume *vol, const char *ins,
+ const int ins_len, ntfschar **outs);
+extern int ntfs_ucstonls(const ntfs_volume *vol, const ntfschar *ins,
+ const int ins_len, unsigned char **outs, int outs_len);
+
+/* From fs/ntfs/upcase.c */
+extern ntfschar *generate_default_upcase(void);
+
+static inline int ntfs_ffs(int x)
+{
+ int r = 1;
+
+ if (!x)
+ return 0;
+ if (!(x & 0xffff)) {
+ x >>= 16;
+ r += 16;
+ }
+ if (!(x & 0xff)) {
+ x >>= 8;
+ r += 8;
+ }
+ if (!(x & 0xf)) {
+ x >>= 4;
+ r += 4;
+ }
+ if (!(x & 3)) {
+ x >>= 2;
+ r += 2;
+ }
+ if (!(x & 1)) {
+ x >>= 1;
+ r += 1;
+ }
+ return r;
+}
+
+#endif /* _LINUX_NTFS_H */