mirror of
https://github.com/sheumann/hush.git
synced 2024-10-31 04:04:31 +00:00
87 lines
2.0 KiB
C
87 lines
2.0 KiB
C
/*
|
|
* brel.h
|
|
*
|
|
* Copyright (C) 1996, 1997 Theodore Ts'o.
|
|
*
|
|
* %Begin-Header%
|
|
* This file may be redistributed under the terms of the GNU Public
|
|
* License.
|
|
* %End-Header%
|
|
*/
|
|
|
|
struct ext2_block_relocate_entry {
|
|
blk_t new;
|
|
__s16 offset;
|
|
__u16 flags;
|
|
union {
|
|
blk_t block_ref;
|
|
ext2_ino_t inode_ref;
|
|
} owner;
|
|
};
|
|
|
|
#define RELOCATE_TYPE_REF 0x0007
|
|
#define RELOCATE_BLOCK_REF 0x0001
|
|
#define RELOCATE_INODE_REF 0x0002
|
|
|
|
typedef struct ext2_block_relocation_table *ext2_brel;
|
|
|
|
struct ext2_block_relocation_table {
|
|
__u32 magic;
|
|
char *name;
|
|
blk_t current;
|
|
void *priv_data;
|
|
|
|
/*
|
|
* Add a block relocation entry.
|
|
*/
|
|
errcode_t (*put)(ext2_brel brel, blk_t old,
|
|
struct ext2_block_relocate_entry *ent);
|
|
|
|
/*
|
|
* Get a block relocation entry.
|
|
*/
|
|
errcode_t (*get)(ext2_brel brel, blk_t old,
|
|
struct ext2_block_relocate_entry *ent);
|
|
|
|
/*
|
|
* Initialize for iterating over the block relocation entries.
|
|
*/
|
|
errcode_t (*start_iter)(ext2_brel brel);
|
|
|
|
/*
|
|
* The iterator function for the inode relocation entries.
|
|
* Returns an inode number of 0 when out of entries.
|
|
*/
|
|
errcode_t (*next)(ext2_brel brel, blk_t *old,
|
|
struct ext2_block_relocate_entry *ent);
|
|
|
|
/*
|
|
* Move the inode relocation table from one block number to
|
|
* another.
|
|
*/
|
|
errcode_t (*move)(ext2_brel brel, blk_t old, blk_t new);
|
|
|
|
/*
|
|
* Remove a block relocation entry.
|
|
*/
|
|
errcode_t (*delete)(ext2_brel brel, blk_t old);
|
|
|
|
|
|
/*
|
|
* Free the block relocation table.
|
|
*/
|
|
errcode_t (*free)(ext2_brel brel);
|
|
};
|
|
|
|
errcode_t ext2fs_brel_memarray_create(char *name, blk_t max_block,
|
|
ext2_brel *brel);
|
|
|
|
#define ext2fs_brel_put(brel, old, ent) ((brel)->put((brel), old, ent))
|
|
#define ext2fs_brel_get(brel, old, ent) ((brel)->get((brel), old, ent))
|
|
#define ext2fs_brel_start_iter(brel) ((brel)->start_iter((brel)))
|
|
#define ext2fs_brel_next(brel, old, ent) ((brel)->next((brel), old, ent))
|
|
#define ext2fs_brel_move(brel, old, new) ((brel)->move((brel), old, new))
|
|
#define ext2fs_brel_delete(brel, old) ((brel)->delete((brel), old))
|
|
#define ext2fs_brel_free(brel) ((brel)->free((brel)))
|
|
|