mirror of
https://github.com/Fledge68/WiiFlow_Lite.git
synced 2024-12-18 07:51:53 +01:00
62 lines
2.0 KiB
C
62 lines
2.0 KiB
C
|
/*
|
||
|
|
* bmap64.h --- 64-bit bitmap structure
|
||
|
|
*
|
||
|
|
* Copyright (C) 2007, 2008 Theodore Ts'o.
|
||
|
|
*
|
||
|
|
* %Begin-Header%
|
||
|
|
* This file may be redistributed under the terms of the GNU Public
|
||
|
|
* License.
|
||
|
|
* %End-Header%
|
||
|
|
*/
|
||
|
|
|
||
|
|
struct ext2fs_struct_generic_bitmap {
|
||
|
|
errcode_t magic;
|
||
|
|
ext2_filsys fs;
|
||
|
|
struct ext2_bitmap_ops *bitmap_ops;
|
||
|
|
int flags;
|
||
|
|
__u64 start, end;
|
||
|
|
__u64 real_end;
|
||
|
|
char *description;
|
||
|
|
void *private;
|
||
|
|
errcode_t base_error_code;
|
||
|
|
};
|
||
|
|
|
||
|
|
#define EXT2FS_IS_32_BITMAP(bmap) \
|
||
|
|
(((bmap)->magic == EXT2_ET_MAGIC_GENERIC_BITMAP) || \
|
||
|
|
((bmap)->magic == EXT2_ET_MAGIC_BLOCK_BITMAP) || \
|
||
|
|
((bmap)->magic == EXT2_ET_MAGIC_INODE_BITMAP))
|
||
|
|
|
||
|
|
#define EXT2FS_IS_64_BITMAP(bmap) \
|
||
|
|
(((bmap)->magic == EXT2_ET_MAGIC_GENERIC_BITMAP64) || \
|
||
|
|
((bmap)->magic == EXT2_ET_MAGIC_BLOCK_BITMAP64) || \
|
||
|
|
((bmap)->magic == EXT2_ET_MAGIC_INODE_BITMAP64))
|
||
|
|
|
||
|
|
struct ext2_bitmap_ops {
|
||
|
|
int type;
|
||
|
|
/* Generic bmap operators */
|
||
|
|
errcode_t (*new_bmap)(ext2_filsys fs, ext2fs_generic_bitmap bmap);
|
||
|
|
void (*free_bmap)(ext2fs_generic_bitmap bitmap);
|
||
|
|
errcode_t (*copy_bmap)(ext2fs_generic_bitmap src,
|
||
|
|
ext2fs_generic_bitmap dest);
|
||
|
|
errcode_t (*resize_bmap)(ext2fs_generic_bitmap bitmap,
|
||
|
|
__u64 new_end,
|
||
|
|
__u64 new_real_end);
|
||
|
|
/* bit set/test operators */
|
||
|
|
int (*mark_bmap)(ext2fs_generic_bitmap bitmap, __u64 arg);
|
||
|
|
int (*unmark_bmap)(ext2fs_generic_bitmap bitmap, __u64 arg);
|
||
|
|
int (*test_bmap)(ext2fs_generic_bitmap bitmap, __u64 arg);
|
||
|
|
void (*mark_bmap_extent)(ext2fs_generic_bitmap bitmap, __u64 arg,
|
||
|
|
unsigned int num);
|
||
|
|
void (*unmark_bmap_extent)(ext2fs_generic_bitmap bitmap, __u64 arg,
|
||
|
|
unsigned int num);
|
||
|
|
int (*test_clear_bmap_extent)(ext2fs_generic_bitmap bitmap,
|
||
|
|
__u64 arg, unsigned int num);
|
||
|
|
errcode_t (*set_bmap_range)(ext2fs_generic_bitmap bitmap,
|
||
|
|
__u64 start, size_t num, void *in);
|
||
|
|
errcode_t (*get_bmap_range)(ext2fs_generic_bitmap bitmap,
|
||
|
|
__u64 start, size_t num, void *out);
|
||
|
|
void (*clear_bmap)(ext2fs_generic_bitmap bitmap);
|
||
|
|
};
|
||
|
|
|
||
|
|
extern struct ext2_bitmap_ops ext2fs_blkmap64_bitarray;
|