- /*
- * udf_fs_sb.h
- *
- * This include file is for the Linux kernel/module.
- *
- * CONTACTS
- * E-mail regarding any portion of the Linux UDF file system should be
- * directed to the development team mailing list (run by majordomo):
- * linux_udf@hpesjro.fc.hp.com
- *
- * COPYRIGHT
- * This file is distributed under the terms of the GNU General Public
- * License (GPL). Copies of the GPL can be obtained from:
- * ftp://prep.ai.mit.edu/pub/gnu/GPL
- * Each contributing author retains all rights to their own work.
- */
- #ifndef _UDF_FS_SB_H
- #define _UDF_FS_SB_H 1
- #include <asm/semaphore.h>
- #pragma pack(1)
- #define UDF_MAX_BLOCK_LOADED 8
- #define UDF_TYPE1_MAP15 0x1511U
- #define UDF_VIRTUAL_MAP15 0x1512U
- #define UDF_VIRTUAL_MAP20 0x2012U
- #define UDF_SPARABLE_MAP15 0x1522U
- struct udf_sparing_data
- {
- __u16 s_packet_len;
- struct buffer_head *s_spar_map[4];
- };
- struct udf_virtual_data
- {
- __u32 s_num_entries;
- __u16 s_start_offset;
- };
- struct udf_bitmap
- {
- __u32 s_extLength;
- __u32 s_extPosition;
- __u16 s_nr_groups;
- struct buffer_head **s_block_bitmap;
- };
- struct udf_part_map
- {
- union
- {
- struct udf_bitmap *s_bitmap;
- struct inode *s_table;
- } s_uspace;
- union
- {
- struct udf_bitmap *s_bitmap;
- struct inode *s_table;
- } s_fspace;
- __u32 s_partition_root;
- __u32 s_partition_len;
- __u16 s_partition_type;
- __u16 s_partition_num;
- union
- {
- struct udf_sparing_data s_sparing;
- struct udf_virtual_data s_virtual;
- } s_type_specific;
- __u32 (*s_partition_func)(struct super_block *, __u32, __u16, __u32);
- __u16 s_volumeseqnum;
- __u16 s_partition_flags;
- };
- #pragma pack()
- struct udf_sb_info
- {
- struct udf_part_map *s_partmaps;
- __u8 s_volident[32];
- /* Overall info */
- __u16 s_partitions;
- __u16 s_partition;
- /* Sector headers */
- __s32 s_session;
- __u32 s_anchor[4];
- __u32 s_lastblock;
- struct buffer_head *s_lvidbh;
- /* Default permissions */
- mode_t s_umask;
- gid_t s_gid;
- uid_t s_uid;
- /* Root Info */
- struct timespec s_recordtime;
- /* Fileset Info */
- __u16 s_serialnum;
- /* highest UDF revision we have recorded to this media */
- __u16 s_udfrev;
- /* Miscellaneous flags */
- __u32 s_flags;
- /* Encoding info */
- struct nls_table *s_nls_map;
- /* VAT inode */
- struct inode *s_vat;
- struct semaphore s_alloc_sem;
- };
- #endif /* _UDF_FS_SB_H */