2 * ntfs.h - Defines for NTFS Linux kernel driver. Part of the Linux-NTFS
5 * Copyright (c) 2001-2005 Anton Altaparmakov
6 * Copyright (C) 2002 Richard Russon
8 * This program/include file is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as published
10 * by the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
13 * This program/include file is distributed in the hope that it will be
14 * useful, but WITHOUT ANY WARRANTY; without even the implied warranty
15 * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program (in the main directory of the Linux-NTFS
20 * distribution in the file COPYING); if not, write to the Free Software
21 * Foundation,Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
27 #include <linux/stddef.h>
28 #include <linux/kernel.h>
29 #include <linux/module.h>
30 #include <linux/compiler.h>
32 #include <linux/nls.h>
33 #include <linux/smp.h>
40 NTFS_BLOCK_SIZE = 512,
41 NTFS_BLOCK_SIZE_BITS = 9,
42 NTFS_SB_MAGIC = 0x5346544e, /* 'NTFS' */
43 NTFS_MAX_NAME_LEN = 255,
44 NTFS_MAX_ATTR_NAME_LEN = 255,
47 /* Global variables. */
49 /* Slab caches (from super.c). */
50 extern kmem_cache_t *ntfs_name_cache;
51 extern kmem_cache_t *ntfs_inode_cache;
52 extern kmem_cache_t *ntfs_big_inode_cache;
53 extern kmem_cache_t *ntfs_attr_ctx_cache;
54 extern kmem_cache_t *ntfs_index_ctx_cache;
56 /* The various operations structs defined throughout the driver files. */
57 extern struct address_space_operations ntfs_aops;
58 extern struct address_space_operations ntfs_mst_aops;
60 extern struct file_operations ntfs_file_ops;
61 extern struct inode_operations ntfs_file_inode_ops;
63 extern struct file_operations ntfs_dir_ops;
64 extern struct inode_operations ntfs_dir_inode_ops;
66 extern struct file_operations ntfs_empty_file_ops;
67 extern struct inode_operations ntfs_empty_inode_ops;
69 extern struct export_operations ntfs_export_ops;
72 * NTFS_SB - return the ntfs volume given a vfs super block
73 * @sb: VFS super block
75 * NTFS_SB() returns the ntfs volume associated with the VFS super block @sb.
77 static inline ntfs_volume *NTFS_SB(struct super_block *sb)
82 /* Declarations of functions and global variables. */
84 /* From fs/ntfs/compress.c */
85 extern int ntfs_read_compressed_block(struct page *page);
86 extern int allocate_compression_buffers(void);
87 extern void free_compression_buffers(void);
89 /* From fs/ntfs/super.c */
90 #define default_upcase_len 0x10000
91 extern struct semaphore ntfs_lock;
97 extern const option_t on_errors_arr[];
99 /* From fs/ntfs/mst.c */
100 extern int post_read_mst_fixup(NTFS_RECORD *b, const u32 size);
101 extern int pre_write_mst_fixup(NTFS_RECORD *b, const u32 size);
102 extern void post_write_mst_fixup(NTFS_RECORD *b);
104 /* From fs/ntfs/unistr.c */
105 extern BOOL ntfs_are_names_equal(const ntfschar *s1, size_t s1_len,
106 const ntfschar *s2, size_t s2_len,
107 const IGNORE_CASE_BOOL ic,
108 const ntfschar *upcase, const u32 upcase_size);
109 extern int ntfs_collate_names(const ntfschar *name1, const u32 name1_len,
110 const ntfschar *name2, const u32 name2_len,
111 const int err_val, const IGNORE_CASE_BOOL ic,
112 const ntfschar *upcase, const u32 upcase_len);
113 extern int ntfs_ucsncmp(const ntfschar *s1, const ntfschar *s2, size_t n);
114 extern int ntfs_ucsncasecmp(const ntfschar *s1, const ntfschar *s2, size_t n,
115 const ntfschar *upcase, const u32 upcase_size);
116 extern void ntfs_upcase_name(ntfschar *name, u32 name_len,
117 const ntfschar *upcase, const u32 upcase_len);
118 extern void ntfs_file_upcase_value(FILE_NAME_ATTR *file_name_attr,
119 const ntfschar *upcase, const u32 upcase_len);
120 extern int ntfs_file_compare_values(FILE_NAME_ATTR *file_name_attr1,
121 FILE_NAME_ATTR *file_name_attr2,
122 const int err_val, const IGNORE_CASE_BOOL ic,
123 const ntfschar *upcase, const u32 upcase_len);
124 extern int ntfs_nlstoucs(const ntfs_volume *vol, const char *ins,
125 const int ins_len, ntfschar **outs);
126 extern int ntfs_ucstonls(const ntfs_volume *vol, const ntfschar *ins,
127 const int ins_len, unsigned char **outs, int outs_len);
129 /* From fs/ntfs/upcase.c */
130 extern ntfschar *generate_default_upcase(void);
132 #endif /* _LINUX_NTFS_H */