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
54 int (*func)(ext2_ino_t dir,
56 struct ext2_dir_entry *dirent,
66 * Inode cache structure
68 struct ext2_inode_cache {
74 struct ext2_inode_cache_ent *cache;
77 struct ext2_inode_cache_ent {
79 struct ext2_inode *inode;
82 /* Function prototypes */
84 extern int ext2fs_process_dir_block(ext2_filsys fs,
91 extern errcode_t ext2fs_inline_data_init(ext2_filsys fs, ext2_ino_t ino);
92 extern errcode_t ext2fs_inline_data_size(ext2_filsys fs, ext2_ino_t ino,
94 extern errcode_t ext2fs_inline_data_ea_remove(ext2_filsys fs, ext2_ino_t ino);
95 extern errcode_t ext2fs_inline_data_expand(ext2_filsys fs, ext2_ino_t ino);
96 extern int ext2fs_inline_data_dir_iterate(ext2_filsys fs,
99 extern errcode_t ext2fs_inline_data_get(ext2_filsys fs, ext2_ino_t ino,
100 struct ext2_inode *inode,
101 void *buf, size_t *size);
102 extern errcode_t ext2fs_inline_data_set(ext2_filsys fs, ext2_ino_t ino,
103 struct ext2_inode *inode,
104 void *buf, size_t size);
106 /* Generic numeric progress meter */
108 struct ext2fs_numeric_progress_struct {
115 * progress callback functions
117 struct ext2fs_progress_ops {
118 void (*init)(ext2_filsys fs,
119 struct ext2fs_numeric_progress_struct * progress,
120 const char *label, __u64 max);
121 void (*update)(ext2_filsys fs,
122 struct ext2fs_numeric_progress_struct * progress,
124 void (*close)(ext2_filsys fs,
125 struct ext2fs_numeric_progress_struct * progress,
126 const char *message);
129 extern struct ext2fs_progress_ops ext2fs_numeric_progress_ops;
131 extern void ext2fs_numeric_progress_init(ext2_filsys fs,
132 struct ext2fs_numeric_progress_struct * progress,
133 const char *label, __u64 max);
134 extern void ext2fs_numeric_progress_update(ext2_filsys fs,
135 struct ext2fs_numeric_progress_struct * progress,
137 extern void ext2fs_numeric_progress_close(ext2_filsys fs,
138 struct ext2fs_numeric_progress_struct * progress,
139 const char *message);
142 * 64-bit bitmap support
145 extern errcode_t ext2fs_alloc_generic_bmap(ext2_filsys fs, errcode_t magic,
146 int type, __u64 start, __u64 end,
148 const char * description,
149 ext2fs_generic_bitmap *bmap);
151 extern void ext2fs_free_generic_bmap(ext2fs_generic_bitmap bmap);
153 extern errcode_t ext2fs_copy_generic_bmap(ext2fs_generic_bitmap src,
154 ext2fs_generic_bitmap *dest);
156 extern errcode_t ext2fs_resize_generic_bmap(ext2fs_generic_bitmap bmap,
159 extern errcode_t ext2fs_fudge_generic_bmap_end(ext2fs_generic_bitmap bitmap,
161 __u64 end, __u64 *oend);
162 extern int ext2fs_mark_generic_bmap(ext2fs_generic_bitmap bitmap,
164 extern int ext2fs_unmark_generic_bmap(ext2fs_generic_bitmap bitmap,
166 extern int ext2fs_test_generic_bmap(ext2fs_generic_bitmap bitmap,
168 extern errcode_t ext2fs_set_generic_bmap_range(ext2fs_generic_bitmap bitmap,
169 __u64 start, unsigned int num,
171 extern errcode_t ext2fs_get_generic_bmap_range(ext2fs_generic_bitmap bitmap,
172 __u64 start, unsigned int num,
174 extern void ext2fs_warn_bitmap32(ext2fs_generic_bitmap bitmap,const char *func);
176 extern int ext2fs_mem_is_zero(const char *mem, size_t len);
178 extern int ext2fs_file_block_offset_too_big(ext2_filsys fs,
179 struct ext2_inode *inode,