/*
- * include/linux/befs_fs_types.h
+ * fs/befs/befs_fs_types.h
*
* Copyright (C) 2001 Will Dyson (will@cs.earlham.edu)
*
* On-Disk datastructures of BeFS
*/
+typedef u64 __bitwise fs64;
+typedef u32 __bitwise fs32;
+typedef u16 __bitwise fs16;
+
typedef u64 befs_off_t;
-typedef u64 befs_time_t;
-typedef void befs_binode_etc;
+typedef fs64 befs_time_t;
/* Block runs */
+typedef struct {
+ fs32 allocation_group;
+ fs16 start;
+ fs16 len;
+} PACKED befs_disk_block_run;
+
typedef struct {
u32 allocation_group;
u16 start;
u16 len;
} PACKED befs_block_run;
+typedef befs_disk_block_run befs_disk_inode_addr;
typedef befs_block_run befs_inode_addr;
/*
*/
typedef struct {
char name[B_OS_NAME_LENGTH];
- u32 magic1;
- u32 fs_byte_order;
+ fs32 magic1;
+ fs32 fs_byte_order;
- u32 block_size;
- u32 block_shift;
+ fs32 block_size;
+ fs32 block_shift;
- befs_off_t num_blocks;
- befs_off_t used_blocks;
+ fs64 num_blocks;
+ fs64 used_blocks;
- u32 inode_size;
+ fs32 inode_size;
- u32 magic2;
- u32 blocks_per_ag;
- u32 ag_shift;
- u32 num_ags;
+ fs32 magic2;
+ fs32 blocks_per_ag;
+ fs32 ag_shift;
+ fs32 num_ags;
- u32 flags;
+ fs32 flags;
- befs_block_run log_blocks;
- befs_off_t log_start;
- befs_off_t log_end;
+ befs_disk_block_run log_blocks;
+ fs64 log_start;
+ fs64 log_end;
- u32 magic3;
- befs_inode_addr root_dir;
- befs_inode_addr indices;
+ fs32 magic3;
+ befs_disk_inode_addr root_dir;
+ befs_disk_inode_addr indices;
} PACKED befs_super_block;
* Note: the indirect and dbl_indir block_runs may
* be longer than one block!
*/
+typedef struct {
+ befs_disk_block_run direct[BEFS_NUM_DIRECT_BLOCKS];
+ fs64 max_direct_range;
+ befs_disk_block_run indirect;
+ fs64 max_indirect_range;
+ befs_disk_block_run double_indirect;
+ fs64 max_double_indirect_range;
+ fs64 size;
+} PACKED befs_disk_data_stream;
+
typedef struct {
befs_block_run direct[BEFS_NUM_DIRECT_BLOCKS];
befs_off_t max_direct_range;
/* Attribute */
typedef struct {
- u32 type;
- u16 name_size;
- u16 data_size;
+ fs32 type;
+ fs16 name_size;
+ fs16 data_size;
char name[1];
} PACKED befs_small_data;
/* Inode structure */
typedef struct {
- u32 magic1;
- befs_inode_addr inode_num;
- u32 uid;
- u32 gid;
- u32 mode;
- u32 flags;
+ fs32 magic1;
+ befs_disk_inode_addr inode_num;
+ fs32 uid;
+ fs32 gid;
+ fs32 mode;
+ fs32 flags;
befs_time_t create_time;
befs_time_t last_modified_time;
- befs_inode_addr parent;
- befs_inode_addr attributes;
- u32 type;
+ befs_disk_inode_addr parent;
+ befs_disk_inode_addr attributes;
+ fs32 type;
- u32 inode_size;
- u32 etc; /* not use */
+ fs32 inode_size;
+ fs32 etc; /* not use */
union {
- befs_data_stream datastream;
+ befs_disk_data_stream datastream;
char symlink[BEFS_SYMLINK_LEN];
} data;
- u32 pad[4]; /* not use */
+ fs32 pad[4]; /* not use */
befs_small_data small_data[1];
} PACKED befs_inode;
BTREE_DOUBLE_TYPE = 6
};
+typedef struct {
+ fs32 magic;
+ fs32 node_size;
+ fs32 max_depth;
+ fs32 data_type;
+ fs64 root_node_ptr;
+ fs64 free_node_ptr;
+ fs64 max_size;
+} PACKED befs_disk_btree_super;
+
typedef struct {
u32 magic;
u32 node_size;
/*
* Header stucture of each btree node
*/
+typedef struct {
+ fs64 left;
+ fs64 right;
+ fs64 overflow;
+ fs16 all_key_count;
+ fs16 all_key_length;
+} PACKED befs_btree_nodehead;
+
typedef struct {
befs_off_t left;
befs_off_t right;
befs_off_t overflow;
u16 all_key_count;
u16 all_key_length;
-} PACKED befs_btree_nodehead;
+} PACKED befs_host_btree_nodehead;
#endif /* _LINUX_BEFS_FS_TYPES */