1 #ifndef __LINUX_UDF_SB_H
2 #define __LINUX_UDF_SB_H
4 #include <linux/mutex.h>
6 /* Since UDF 2.01 is ISO 13346 based... */
7 #define UDF_SUPER_MAGIC 0x15013346
9 #define UDF_MAX_READ_VERSION 0x0201
10 #define UDF_MAX_WRITE_VERSION 0x0201
12 #define UDF_FLAG_USE_EXTENDED_FE 0
13 #define UDF_VERS_USE_EXTENDED_FE 0x0200
14 #define UDF_FLAG_USE_STREAMS 1
15 #define UDF_VERS_USE_STREAMS 0x0200
16 #define UDF_FLAG_USE_SHORT_AD 2
17 #define UDF_FLAG_USE_AD_IN_ICB 3
18 #define UDF_FLAG_USE_FILE_CTIME_EA 4
19 #define UDF_FLAG_STRICT 5
20 #define UDF_FLAG_UNDELETE 6
21 #define UDF_FLAG_UNHIDE 7
22 #define UDF_FLAG_VARCONV 8
23 #define UDF_FLAG_NLS_MAP 9
24 #define UDF_FLAG_UTF8 10
25 #define UDF_FLAG_UID_FORGET 11 /* save -1 for uid to disk */
26 #define UDF_FLAG_UID_IGNORE 12 /* use sb uid instead of on disk uid */
27 #define UDF_FLAG_GID_FORGET 13
28 #define UDF_FLAG_GID_IGNORE 14
29 #define UDF_FLAG_UID_SET 15
30 #define UDF_FLAG_GID_SET 16
31 #define UDF_FLAG_SESSION_SET 17
32 #define UDF_FLAG_LASTBLOCK_SET 18
34 #define UDF_PART_FLAG_UNALLOC_BITMAP 0x0001
35 #define UDF_PART_FLAG_UNALLOC_TABLE 0x0002
36 #define UDF_PART_FLAG_FREED_BITMAP 0x0004
37 #define UDF_PART_FLAG_FREED_TABLE 0x0008
38 #define UDF_PART_FLAG_READ_ONLY 0x0010
39 #define UDF_PART_FLAG_WRITE_ONCE 0x0020
40 #define UDF_PART_FLAG_REWRITABLE 0x0040
41 #define UDF_PART_FLAG_OVERWRITABLE 0x0080
43 #define UDF_MAX_BLOCK_LOADED 8
45 #define UDF_TYPE1_MAP15 0x1511U
46 #define UDF_VIRTUAL_MAP15 0x1512U
47 #define UDF_VIRTUAL_MAP20 0x2012U
48 #define UDF_SPARABLE_MAP15 0x1522U
50 #pragma pack(1) /* XXX(hch): Why? This file just defines in-core structures */
52 struct udf_sparing_data {
54 struct buffer_head *s_spar_map[4];
57 struct udf_virtual_data {
66 struct buffer_head **s_block_bitmap;
71 struct udf_bitmap *s_bitmap;
72 struct inode *s_table;
75 struct udf_bitmap *s_bitmap;
76 struct inode *s_table;
78 __u32 s_partition_root;
79 __u32 s_partition_len;
80 __u16 s_partition_type;
81 __u16 s_partition_num;
83 struct udf_sparing_data s_sparing;
84 struct udf_virtual_data s_virtual;
86 __u32 (*s_partition_func)(struct super_block *, __u32, __u16, __u32);
88 __u16 s_partition_flags;
94 struct udf_part_map *s_partmaps;
95 __u8 s_volume_ident[32];
106 struct buffer_head *s_lvid_bh;
108 /* Default permissions */
114 struct timespec s_record_time;
117 __u16 s_serial_number;
119 /* highest UDF revision we have recorded to this media */
122 /* Miscellaneous flags */
126 struct nls_table *s_nls_map;
129 struct inode *s_vat_inode;
131 struct mutex s_alloc_mutex;
134 static inline struct udf_sb_info *UDF_SB(struct super_block *sb)
136 return sb->s_fs_info;
139 struct logicalVolIntegrityDescImpUse *udf_sb_lvidiu(struct udf_sb_info *sbi);
141 int udf_compute_nr_groups(struct super_block *sb, u32 partition);
143 #define UDF_QUERY_FLAG(X,Y) ( UDF_SB(X)->s_flags & ( 1 << (Y) ) )
144 #define UDF_SET_FLAG(X,Y) ( UDF_SB(X)->s_flags |= ( 1 << (Y) ) )
145 #define UDF_CLEAR_FLAG(X,Y) ( UDF_SB(X)->s_flags &= ~( 1 << (Y) ) )
147 #endif /* __LINUX_UDF_SB_H */