2 * ext2fsP.h --- private header file for ext2 library
4 * Copyright (C) 1997 Theodore Ts'o.
7 * This file may be redistributed under the terms of the GNU Public
17 struct ext2_struct_u32_list {
25 struct ext2_struct_u32_iterate {
33 * Directory block iterator definition
35 struct ext2_struct_dblist {
41 struct ext2_db_entry * list;
45 * For directory iterators
51 int (*func)(ext2_ino_t dir,
53 struct ext2_dir_entry *dirent,
63 * Inode cache structure
65 struct ext2_inode_cache {
71 struct ext2_inode_cache_ent *cache;
74 struct ext2_inode_cache_ent {
76 struct ext2_inode inode;
79 /* Function prototypes */
81 extern int ext2fs_process_dir_block(ext2_filsys fs,
88 /* Generic numeric progress meter */
90 struct ext2fs_numeric_progress_struct {
96 extern void ext2fs_numeric_progress_init(ext2_filsys fs,
97 struct ext2fs_numeric_progress_struct * progress,
98 const char *label, __u64 max);
99 extern void ext2fs_numeric_progress_update(ext2_filsys fs,
100 struct ext2fs_numeric_progress_struct * progress,
102 extern void ext2fs_numeric_progress_close(ext2_filsys fs,
103 struct ext2fs_numeric_progress_struct * progress,
104 const char *message);
107 * 64-bit bitmap support
110 #define EXT2FS_BMAP64_BITARRAY 1
112 extern errcode_t ext2fs_alloc_generic_bmap(ext2_filsys fs, errcode_t magic,
113 int type, __u64 start, __u64 end,
115 const char * description,
116 ext2fs_generic_bitmap *bmap);
118 extern void ext2fs_free_generic_bmap(ext2fs_generic_bitmap bmap);
120 extern errcode_t ext2fs_copy_generic_bmap(ext2fs_generic_bitmap src,
121 ext2fs_generic_bitmap *dest);
123 extern errcode_t ext2fs_resize_generic_bmap(ext2fs_generic_bitmap bmap,
126 extern errcode_t ext2fs_fudge_generic_bmap_end(ext2fs_generic_bitmap bitmap,
128 __u64 end, __u64 *oend);
129 extern int ext2fs_mark_generic_bmap(ext2fs_generic_bitmap bitmap,
131 extern int ext2fs_unmark_generic_bmap(ext2fs_generic_bitmap bitmap,
133 extern int ext2fs_test_generic_bmap(ext2fs_generic_bitmap bitmap,
135 extern errcode_t ext2fs_set_generic_bmap_range(ext2fs_generic_bitmap bitmap,
136 __u64 start, unsigned int num,
138 extern errcode_t ext2fs_get_generic_bmap_range(ext2fs_generic_bitmap bitmap,
139 __u64 start, unsigned int num,
141 extern int ext2fs_warn_bitmap32(ext2fs_generic_bitmap bitmap, const char *func);
143 extern int ext2fs_mem_is_zero(const char *mem, size_t len);