Root/
1 | /* |
2 | * ntfs.h - Defines for NTFS Linux kernel driver. Part of the Linux-NTFS |
3 | * project. |
4 | * |
5 | * Copyright (c) 2001-2005 Anton Altaparmakov |
6 | * Copyright (C) 2002 Richard Russon |
7 | * |
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. |
12 | * |
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. |
17 | * |
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 |
22 | */ |
23 | |
24 | #ifndef _LINUX_NTFS_H |
25 | #define _LINUX_NTFS_H |
26 | |
27 | #include <linux/stddef.h> |
28 | #include <linux/kernel.h> |
29 | #include <linux/module.h> |
30 | #include <linux/compiler.h> |
31 | #include <linux/fs.h> |
32 | #include <linux/nls.h> |
33 | #include <linux/smp.h> |
34 | #include <linux/pagemap.h> |
35 | |
36 | #include "types.h" |
37 | #include "volume.h" |
38 | #include "layout.h" |
39 | |
40 | typedef enum { |
41 | NTFS_BLOCK_SIZE = 512, |
42 | NTFS_BLOCK_SIZE_BITS = 9, |
43 | NTFS_SB_MAGIC = 0x5346544e, /* 'NTFS' */ |
44 | NTFS_MAX_NAME_LEN = 255, |
45 | NTFS_MAX_ATTR_NAME_LEN = 255, |
46 | NTFS_MAX_CLUSTER_SIZE = 64 * 1024, /* 64kiB */ |
47 | NTFS_MAX_PAGES_PER_CLUSTER = NTFS_MAX_CLUSTER_SIZE / PAGE_CACHE_SIZE, |
48 | } NTFS_CONSTANTS; |
49 | |
50 | /* Global variables. */ |
51 | |
52 | /* Slab caches (from super.c). */ |
53 | extern struct kmem_cache *ntfs_name_cache; |
54 | extern struct kmem_cache *ntfs_inode_cache; |
55 | extern struct kmem_cache *ntfs_big_inode_cache; |
56 | extern struct kmem_cache *ntfs_attr_ctx_cache; |
57 | extern struct kmem_cache *ntfs_index_ctx_cache; |
58 | |
59 | /* The various operations structs defined throughout the driver files. */ |
60 | extern const struct address_space_operations ntfs_aops; |
61 | extern const struct address_space_operations ntfs_mst_aops; |
62 | |
63 | extern const struct file_operations ntfs_file_ops; |
64 | extern const struct inode_operations ntfs_file_inode_ops; |
65 | |
66 | extern const struct file_operations ntfs_dir_ops; |
67 | extern const struct inode_operations ntfs_dir_inode_ops; |
68 | |
69 | extern const struct file_operations ntfs_empty_file_ops; |
70 | extern const struct inode_operations ntfs_empty_inode_ops; |
71 | |
72 | extern const struct export_operations ntfs_export_ops; |
73 | |
74 | /** |
75 | * NTFS_SB - return the ntfs volume given a vfs super block |
76 | * @sb: VFS super block |
77 | * |
78 | * NTFS_SB() returns the ntfs volume associated with the VFS super block @sb. |
79 | */ |
80 | static inline ntfs_volume *NTFS_SB(struct super_block *sb) |
81 | { |
82 | return sb->s_fs_info; |
83 | } |
84 | |
85 | /* Declarations of functions and global variables. */ |
86 | |
87 | /* From fs/ntfs/compress.c */ |
88 | extern int ntfs_read_compressed_block(struct page *page); |
89 | extern int allocate_compression_buffers(void); |
90 | extern void free_compression_buffers(void); |
91 | |
92 | /* From fs/ntfs/super.c */ |
93 | #define default_upcase_len 0x10000 |
94 | extern struct mutex ntfs_lock; |
95 | |
96 | typedef struct { |
97 | int val; |
98 | char *str; |
99 | } option_t; |
100 | extern const option_t on_errors_arr[]; |
101 | |
102 | /* From fs/ntfs/mst.c */ |
103 | extern int post_read_mst_fixup(NTFS_RECORD *b, const u32 size); |
104 | extern int pre_write_mst_fixup(NTFS_RECORD *b, const u32 size); |
105 | extern void post_write_mst_fixup(NTFS_RECORD *b); |
106 | |
107 | /* From fs/ntfs/unistr.c */ |
108 | extern bool ntfs_are_names_equal(const ntfschar *s1, size_t s1_len, |
109 | const ntfschar *s2, size_t s2_len, |
110 | const IGNORE_CASE_BOOL ic, |
111 | const ntfschar *upcase, const u32 upcase_size); |
112 | extern int ntfs_collate_names(const ntfschar *name1, const u32 name1_len, |
113 | const ntfschar *name2, const u32 name2_len, |
114 | const int err_val, const IGNORE_CASE_BOOL ic, |
115 | const ntfschar *upcase, const u32 upcase_len); |
116 | extern int ntfs_ucsncmp(const ntfschar *s1, const ntfschar *s2, size_t n); |
117 | extern int ntfs_ucsncasecmp(const ntfschar *s1, const ntfschar *s2, size_t n, |
118 | const ntfschar *upcase, const u32 upcase_size); |
119 | extern void ntfs_upcase_name(ntfschar *name, u32 name_len, |
120 | const ntfschar *upcase, const u32 upcase_len); |
121 | extern void ntfs_file_upcase_value(FILE_NAME_ATTR *file_name_attr, |
122 | const ntfschar *upcase, const u32 upcase_len); |
123 | extern int ntfs_file_compare_values(FILE_NAME_ATTR *file_name_attr1, |
124 | FILE_NAME_ATTR *file_name_attr2, |
125 | const int err_val, const IGNORE_CASE_BOOL ic, |
126 | const ntfschar *upcase, const u32 upcase_len); |
127 | extern int ntfs_nlstoucs(const ntfs_volume *vol, const char *ins, |
128 | const int ins_len, ntfschar **outs); |
129 | extern int ntfs_ucstonls(const ntfs_volume *vol, const ntfschar *ins, |
130 | const int ins_len, unsigned char **outs, int outs_len); |
131 | |
132 | /* From fs/ntfs/upcase.c */ |
133 | extern ntfschar *generate_default_upcase(void); |
134 | |
135 | static inline int ntfs_ffs(int x) |
136 | { |
137 | int r = 1; |
138 | |
139 | if (!x) |
140 | return 0; |
141 | if (!(x & 0xffff)) { |
142 | x >>= 16; |
143 | r += 16; |
144 | } |
145 | if (!(x & 0xff)) { |
146 | x >>= 8; |
147 | r += 8; |
148 | } |
149 | if (!(x & 0xf)) { |
150 | x >>= 4; |
151 | r += 4; |
152 | } |
153 | if (!(x & 3)) { |
154 | x >>= 2; |
155 | r += 2; |
156 | } |
157 | if (!(x & 1)) { |
158 | x >>= 1; |
159 | r += 1; |
160 | } |
161 | return r; |
162 | } |
163 | |
164 | #endif /* _LINUX_NTFS_H */ |
165 |
Branches:
ben-wpan
ben-wpan-stefan
javiroman/ks7010
jz-2.6.34
jz-2.6.34-rc5
jz-2.6.34-rc6
jz-2.6.34-rc7
jz-2.6.35
jz-2.6.36
jz-2.6.37
jz-2.6.38
jz-2.6.39
jz-3.0
jz-3.1
jz-3.11
jz-3.12
jz-3.13
jz-3.15
jz-3.16
jz-3.18-dt
jz-3.2
jz-3.3
jz-3.4
jz-3.5
jz-3.6
jz-3.6-rc2-pwm
jz-3.9
jz-3.9-clk
jz-3.9-rc8
jz47xx
jz47xx-2.6.38
master
Tags:
od-2011-09-04
od-2011-09-18
v2.6.34-rc5
v2.6.34-rc6
v2.6.34-rc7
v3.9