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@@ -1,6 +1,8 @@
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#ifndef __LINUX_UDF_SB_H
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#define __LINUX_UDF_SB_H
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+#include <linux/mutex.h>
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+
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/* Since UDF 2.01 is ISO 13346 based... */
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#define UDF_SUPER_MAGIC 0x15013346
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@@ -38,6 +40,97 @@
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#define UDF_PART_FLAG_REWRITABLE 0x0040
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#define UDF_PART_FLAG_OVERWRITABLE 0x0080
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+#define UDF_MAX_BLOCK_LOADED 8
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+
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+#define UDF_TYPE1_MAP15 0x1511U
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+#define UDF_VIRTUAL_MAP15 0x1512U
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+#define UDF_VIRTUAL_MAP20 0x2012U
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+#define UDF_SPARABLE_MAP15 0x1522U
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+
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+#pragma pack(1) /* XXX(hch): Why? This file just defines in-core structures */
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+
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+struct udf_sparing_data {
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+ __u16 s_packet_len;
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+ struct buffer_head *s_spar_map[4];
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+};
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+
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+struct udf_virtual_data {
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+ __u32 s_num_entries;
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+ __u16 s_start_offset;
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+};
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+
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+struct udf_bitmap {
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+ __u32 s_extLength;
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+ __u32 s_extPosition;
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+ __u16 s_nr_groups;
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+ struct buffer_head **s_block_bitmap;
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+};
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+
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+struct udf_part_map {
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+ union {
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+ struct udf_bitmap *s_bitmap;
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+ struct inode *s_table;
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+ } s_uspace;
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+ union {
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+ struct udf_bitmap *s_bitmap;
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+ struct inode *s_table;
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+ } s_fspace;
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+ __u32 s_partition_root;
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+ __u32 s_partition_len;
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+ __u16 s_partition_type;
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+ __u16 s_partition_num;
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+ union {
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+ struct udf_sparing_data s_sparing;
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+ struct udf_virtual_data s_virtual;
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+ } s_type_specific;
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+ __u32 (*s_partition_func)(struct super_block *, __u32, __u16, __u32);
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+ __u16 s_volumeseqnum;
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+ __u16 s_partition_flags;
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+};
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+
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+#pragma pack()
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+
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+struct udf_sb_info {
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+ struct udf_part_map *s_partmaps;
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+ __u8 s_volume_ident[32];
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+
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+ /* Overall info */
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+ __u16 s_partitions;
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+ __u16 s_partition;
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+
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+ /* Sector headers */
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+ __s32 s_session;
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+ __u32 s_anchor[4];
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+ __u32 s_last_block;
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+
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+ struct buffer_head *s_lvid_bh;
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+
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+ /* Default permissions */
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+ mode_t s_umask;
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+ gid_t s_gid;
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+ uid_t s_uid;
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+
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+ /* Root Info */
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+ struct timespec s_record_time;
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+
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+ /* Fileset Info */
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+ __u16 s_serial_number;
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+
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+ /* highest UDF revision we have recorded to this media */
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+ __u16 s_udfrev;
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+
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+ /* Miscellaneous flags */
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+ __u32 s_flags;
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+
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+ /* Encoding info */
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+ struct nls_table *s_nls_map;
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+
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+ /* VAT inode */
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+ struct inode *s_vat_inode;
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+
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+ struct mutex s_alloc_mutex;
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+};
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+
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static inline struct udf_sb_info *UDF_SB(struct super_block *sb)
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{
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return sb->s_fs_info;
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