projects / thirdparty / e2fsprogs.git / blame
| Commit | Line | Data |
|---|---|---|
| 69365c68 TT |
1 | /* |
| 2 | * bmap64.h --- 64-bit bitmap structure | |
| 3 | * | |
| 4 | * Copyright (C) 2007, 2008 Theodore Ts'o. | |
| 5 | * | |
| 6 | * %Begin-Header% | |
| 7 | * This file may be redistributed under the terms of the GNU Public | |
| 8 | * License. | |
| 9 | * %End-Header% | |
| 10 | */ | |
| 11 | ||
| 12 | struct ext2fs_struct_generic_bitmap { | |
| 13 | errcode_t magic; | |
| 14 | ext2_filsys fs; | |
| 15 | struct ext2_bitmap_ops *bitmap_ops; | |
| 16 | int flags; | |
| 17 | __u64 start, end; | |
| 18 | __u64 real_end; | |
| 94968e74 | 19 | int cluster_bits; |
| 69365c68 TT |
20 | char *description; |
| 21 | void *private; | |
| 22 | errcode_t base_error_code; | |
| 23 | }; | |
| 24 | ||
| 25 | #define EXT2FS_IS_32_BITMAP(bmap) \ | |
| 26 | (((bmap)->magic == EXT2_ET_MAGIC_GENERIC_BITMAP) || \ | |
| 27 | ((bmap)->magic == EXT2_ET_MAGIC_BLOCK_BITMAP) || \ | |
| 28 | ((bmap)->magic == EXT2_ET_MAGIC_INODE_BITMAP)) | |
| 29 | ||
| 30 | #define EXT2FS_IS_64_BITMAP(bmap) \ | |
| 31 | (((bmap)->magic == EXT2_ET_MAGIC_GENERIC_BITMAP64) || \ | |
| 32 | ((bmap)->magic == EXT2_ET_MAGIC_BLOCK_BITMAP64) || \ | |
| 33 | ((bmap)->magic == EXT2_ET_MAGIC_INODE_BITMAP64)) | |
| 34 | ||
| 35 | struct ext2_bitmap_ops { | |
| 36 | int type; | |
| 37 | /* Generic bmap operators */ | |
| 38 | errcode_t (*new_bmap)(ext2_filsys fs, ext2fs_generic_bitmap bmap); | |
| 39 | void (*free_bmap)(ext2fs_generic_bitmap bitmap); | |
| 40 | errcode_t (*copy_bmap)(ext2fs_generic_bitmap src, | |
| 41 | ext2fs_generic_bitmap dest); | |
| 42 | errcode_t (*resize_bmap)(ext2fs_generic_bitmap bitmap, | |
| 43 | __u64 new_end, | |
| 44 | __u64 new_real_end); | |
| 45 | /* bit set/test operators */ | |
| 46 | int (*mark_bmap)(ext2fs_generic_bitmap bitmap, __u64 arg); | |
| 47 | int (*unmark_bmap)(ext2fs_generic_bitmap bitmap, __u64 arg); | |
| 48 | int (*test_bmap)(ext2fs_generic_bitmap bitmap, __u64 arg); | |
| 49 | void (*mark_bmap_extent)(ext2fs_generic_bitmap bitmap, __u64 arg, | |
| 50 | unsigned int num); | |
| 51 | void (*unmark_bmap_extent)(ext2fs_generic_bitmap bitmap, __u64 arg, | |
| 52 | unsigned int num); | |
| 53 | int (*test_clear_bmap_extent)(ext2fs_generic_bitmap bitmap, | |
| 54 | __u64 arg, unsigned int num); | |
| 55 | errcode_t (*set_bmap_range)(ext2fs_generic_bitmap bitmap, | |
| 56 | __u64 start, size_t num, void *in); | |
| 57 | errcode_t (*get_bmap_range)(ext2fs_generic_bitmap bitmap, | |
| 58 | __u64 start, size_t num, void *out); | |
| 59 | void (*clear_bmap)(ext2fs_generic_bitmap bitmap); | |
| 60 | }; | |
| 61 | ||
| 62 | extern struct ext2_bitmap_ops ext2fs_blkmap64_bitarray; | |
| c1359d91 | 63 | extern struct ext2_bitmap_ops ext2fs_blkmap64_rbtree; |