134 lines
2.4 KiB
C
134 lines
2.4 KiB
C
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/*
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* udf_fs_sb.h
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*
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* This include file is for the Linux kernel/module.
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*
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* COPYRIGHT
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* This file is distributed under the terms of the GNU General Public
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* License (GPL). Copies of the GPL can be obtained from:
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* ftp://prep.ai.mit.edu/pub/gnu/GPL
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* Each contributing author retains all rights to their own work.
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*/
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#ifndef _UDF_FS_SB_H
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#define _UDF_FS_SB_H 1
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#include <linux/mutex.h>
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#pragma pack(1)
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#define UDF_MAX_BLOCK_LOADED 8
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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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#define UDF_METADATA_MAP25 0x2511U
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struct udf_meta_data
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{
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__u32 s_meta_file_loc;
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__u32 s_mirror_file_loc;
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__u32 s_bitmap_file_loc;
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__u32 s_alloc_unit_size;
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__u16 s_align_unit_size;
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__u8 s_dup_md_flag;
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struct inode *s_metadata_fe;
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struct inode *s_mirror_fe;
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struct inode *s_bitmap_fe;
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};
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struct udf_sparing_data
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{
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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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struct udf_virtual_data
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{
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__u32 s_num_entries;
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__u16 s_start_offset;
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};
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struct udf_bitmap
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{
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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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struct udf_part_map
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{
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union
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{
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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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{
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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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{
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struct udf_sparing_data s_sparing;
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struct udf_virtual_data s_virtual;
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struct udf_meta_data s_metadata;
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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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#pragma pack()
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struct udf_sb_info
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{
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struct udf_part_map *s_partmaps;
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__u8 s_volident[32];
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/* Overall info */
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__u16 s_partitions;
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__u16 s_partition;
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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_lastblock;
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struct buffer_head *s_lvidbh;
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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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/* Root Info */
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struct timespec s_recordtime;
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/* Fileset Info */
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__u16 s_serialnum;
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/* highest UDF revision we have recorded to this media */
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__u16 s_udfrev;
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/* Miscellaneous flags */
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__u32 s_flags;
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/* Encoding info */
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struct nls_table *s_nls_map;
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/* VAT inode */
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struct inode *s_vat;
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struct mutex s_alloc_mutex;
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};
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#endif /* _UDF_FS_SB_H */
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