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 Library
8 * General Public License, version 2.
14 #define EXT2FS_MAX_NESTED_LINKS 8
19 struct ext2_struct_u32_list {
27 struct ext2_struct_u32_iterate {
35 * Directory block iterator definition
37 struct ext2_struct_dblist {
40 unsigned long long size;
41 unsigned long long count;
43 struct ext2_db_entry2 * list;
47 * For directory iterators
53 int (*func)(ext2_ino_t dir,
55 struct ext2_dir_entry *dirent,
65 * Inode cache structure
67 struct ext2_inode_cache {
73 struct ext2_inode_cache_ent *cache;
76 struct ext2_inode_cache_ent {
78 struct ext2_inode inode;
81 /* Function prototypes */
83 extern int ext2fs_process_dir_block(ext2_filsys fs,
90 /* Generic numeric progress meter */
92 struct ext2fs_numeric_progress_struct {
98 extern void ext2fs_numeric_progress_init(ext2_filsys fs,
99 struct ext2fs_numeric_progress_struct * progress,
100 const char *label, __u64 max);
101 extern void ext2fs_numeric_progress_update(ext2_filsys fs,
102 struct ext2fs_numeric_progress_struct * progress,
104 extern void ext2fs_numeric_progress_close(ext2_filsys fs,
105 struct ext2fs_numeric_progress_struct * progress,
106 const char *message);
109 * 64-bit bitmap support
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 void ext2fs_warn_bitmap32(ext2fs_generic_bitmap bitmap,const char *func);
143 extern int ext2fs_mem_is_zero(const char *mem, size_t len);