put small subset of e2fsprogs back in the tree:

lsattr, chattr, fsck. Old e2fsprogs tree is in
e2fsprogs/old_e2fsprogs/*.

1 files changed, 923 insertions, 0 deletions

diff --git a/e2fsprogs/old_e2fsprogs/ext2fs/ext2fs.h b/e2fsprogs/old_e2fsprogs/ext2fs/ext2fs.h
new file mode 100644
index 0000000..133fb1f
--- /dev/null
+++ b/e2fsprogs/old_e2fsprogs/ext2fs/ext2fs.h
@@ -0,0 +1,923 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * ext2fs.h --- ext2fs
+ *
+ * Copyright (C) 1993, 1994, 1995, 1996 Theodore Ts'o.
+ *
+ * %Begin-Header%
+ * This file may be redistributed under the terms of the GNU Public
+ * License.
+ * %End-Header%
+ */
+
+#ifndef _EXT2FS_EXT2FS_H
+#define _EXT2FS_EXT2FS_H
+
+
+#define EXT2FS_ATTR(x)
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*
+ * Where the master copy of the superblock is located, and how big
+ * superblocks are supposed to be.  We define SUPERBLOCK_SIZE because
+ * the size of the superblock structure is not necessarily trustworthy
+ * (some versions have the padding set up so that the superblock is
+ * 1032 bytes long).
+ */
+#define SUPERBLOCK_OFFSET	1024
+#define SUPERBLOCK_SIZE		1024
+
+/*
+ * The last ext2fs revision level that this version of the library is
+ * able to support.
+ */
+#define EXT2_LIB_CURRENT_REV	EXT2_DYNAMIC_REV
+
+#ifdef HAVE_SYS_TYPES_H
+#include <sys/types.h>
+#endif
+
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "ext2_types.h"
+#include "ext2_fs.h"
+
+typedef __u32		ext2_ino_t;
+typedef __u32		blk_t;
+typedef __u32		dgrp_t;
+typedef __u32		ext2_off_t;
+typedef __s64		e2_blkcnt_t;
+typedef __u32		ext2_dirhash_t;
+
+#include "ext2_io.h"
+#include "ext2_err.h"
+
+typedef struct struct_ext2_filsys *ext2_filsys;
+
+struct ext2fs_struct_generic_bitmap {
+	errcode_t	magic;
+	ext2_filsys	fs;
+	__u32		start, end;
+	__u32		real_end;
+	char	*	description;
+	char	*	bitmap;
+	errcode_t	base_error_code;
+	__u32		reserved[7];
+};
+
+#define EXT2FS_MARK_ERROR	0
+#define EXT2FS_UNMARK_ERROR	1
+#define EXT2FS_TEST_ERROR	2
+
+typedef struct ext2fs_struct_generic_bitmap *ext2fs_generic_bitmap;
+typedef struct ext2fs_struct_generic_bitmap *ext2fs_inode_bitmap;
+typedef struct ext2fs_struct_generic_bitmap *ext2fs_block_bitmap;
+
+#define EXT2_FIRST_INODE(s)	EXT2_FIRST_INO(s)
+
+/*
+ * badblocks list definitions
+ */
+
+typedef struct ext2_struct_u32_list *ext2_badblocks_list;
+typedef struct ext2_struct_u32_iterate *ext2_badblocks_iterate;
+
+typedef struct ext2_struct_u32_list *ext2_u32_list;
+typedef struct ext2_struct_u32_iterate *ext2_u32_iterate;
+
+/* old */
+typedef struct ext2_struct_u32_list *badblocks_list;
+typedef struct ext2_struct_u32_iterate *badblocks_iterate;
+
+#define BADBLOCKS_FLAG_DIRTY	1
+
+/*
+ * ext2_dblist structure and abstractions (see dblist.c)
+ */
+struct ext2_db_entry {
+	ext2_ino_t	ino;
+	blk_t	blk;
+	int	blockcnt;
+};
+
+typedef struct ext2_struct_dblist *ext2_dblist;
+
+#define DBLIST_ABORT	1
+
+/*
+ * ext2_fileio definitions
+ */
+
+#define EXT2_FILE_WRITE		0x0001
+#define EXT2_FILE_CREATE	0x0002
+
+#define EXT2_FILE_MASK		0x00FF
+
+#define EXT2_FILE_BUF_DIRTY	0x4000
+#define EXT2_FILE_BUF_VALID	0x2000
+
+typedef struct ext2_file *ext2_file_t;
+
+#define EXT2_SEEK_SET	0
+#define EXT2_SEEK_CUR	1
+#define EXT2_SEEK_END	2
+
+/*
+ * Flags for the ext2_filsys structure and for ext2fs_open()
+ */
+#define EXT2_FLAG_RW			0x01
+#define EXT2_FLAG_CHANGED		0x02
+#define EXT2_FLAG_DIRTY			0x04
+#define EXT2_FLAG_VALID			0x08
+#define EXT2_FLAG_IB_DIRTY		0x10
+#define EXT2_FLAG_BB_DIRTY		0x20
+#define EXT2_FLAG_SWAP_BYTES		0x40
+#define EXT2_FLAG_SWAP_BYTES_READ	0x80
+#define EXT2_FLAG_SWAP_BYTES_WRITE	0x100
+#define EXT2_FLAG_MASTER_SB_ONLY	0x200
+#define EXT2_FLAG_FORCE			0x400
+#define EXT2_FLAG_SUPER_ONLY		0x800
+#define EXT2_FLAG_JOURNAL_DEV_OK	0x1000
+#define EXT2_FLAG_IMAGE_FILE		0x2000
+
+/*
+ * Special flag in the ext2 inode i_flag field that means that this is
+ * a new inode.  (So that ext2_write_inode() can clear extra fields.)
+ */
+#define EXT2_NEW_INODE_FL	0x80000000
+
+/*
+ * Flags for mkjournal
+ *
+ * EXT2_MKJOURNAL_V1_SUPER	Make a (deprecated) V1 journal superblock
+ */
+#define EXT2_MKJOURNAL_V1_SUPER	0x0000001
+
+struct struct_ext2_filsys {
+	errcode_t			magic;
+	io_channel			io;
+	int				flags;
+	char *				device_name;
+	struct ext2_super_block	*	super;
+	unsigned int			blocksize;
+	int				fragsize;
+	dgrp_t				group_desc_count;
+	unsigned long			desc_blocks;
+	struct ext2_group_desc *	group_desc;
+	int				inode_blocks_per_group;
+	ext2fs_inode_bitmap		inode_map;
+	ext2fs_block_bitmap		block_map;
+	errcode_t (*get_blocks)(ext2_filsys fs, ext2_ino_t ino, blk_t *blocks);
+	errcode_t (*check_directory)(ext2_filsys fs, ext2_ino_t ino);
+	errcode_t (*write_bitmaps)(ext2_filsys fs);
+	errcode_t (*read_inode)(ext2_filsys fs, ext2_ino_t ino,
+				struct ext2_inode *inode);
+	errcode_t (*write_inode)(ext2_filsys fs, ext2_ino_t ino,
+				struct ext2_inode *inode);
+	ext2_badblocks_list		badblocks;
+	ext2_dblist			dblist;
+	__u32				stride;	/* for mke2fs */
+	struct ext2_super_block *	orig_super;
+	struct ext2_image_hdr *		image_header;
+	__u32				umask;
+	/*
+	 * Reserved for future expansion
+	 */
+	__u32				reserved[8];
+
+	/*
+	 * Reserved for the use of the calling application.
+	 */
+	void *				priv_data;
+
+	/*
+	 * Inode cache
+	 */
+	struct ext2_inode_cache		*icache;
+	io_channel			image_io;
+};
+
+#include "bitops.h"
+
+/*
+ * Return flags for the block iterator functions
+ */
+#define BLOCK_CHANGED	1
+#define BLOCK_ABORT	2
+#define BLOCK_ERROR	4
+
+/*
+ * Block interate flags
+ *
+ * BLOCK_FLAG_APPEND, or BLOCK_FLAG_HOLE, indicates that the interator
+ * function should be called on blocks where the block number is zero.
+ * This is used by ext2fs_expand_dir() to be able to add a new block
+ * to an inode.  It can also be used for programs that want to be able
+ * to deal with files that contain "holes".
+ *
+ * BLOCK_FLAG_TRAVERSE indicates that the iterator function for the
+ * indirect, doubly indirect, etc. blocks should be called after all
+ * of the blocks containined in the indirect blocks are processed.
+ * This is useful if you are going to be deallocating blocks from an
+ * inode.
+ *
+ * BLOCK_FLAG_DATA_ONLY indicates that the iterator function should be
+ * called for data blocks only.
+ *
+ * BLOCK_FLAG_NO_LARGE is for internal use only.  It informs
+ * ext2fs_block_iterate2 that large files won't be accepted.
+ */
+#define BLOCK_FLAG_APPEND	1
+#define BLOCK_FLAG_HOLE		1
+#define BLOCK_FLAG_DEPTH_TRAVERSE	2
+#define BLOCK_FLAG_DATA_ONLY	4
+
+#define BLOCK_FLAG_NO_LARGE	0x1000
+
+/*
+ * Magic "block count" return values for the block iterator function.
+ */
+#define BLOCK_COUNT_IND		(-1)
+#define BLOCK_COUNT_DIND	(-2)
+#define BLOCK_COUNT_TIND	(-3)
+#define BLOCK_COUNT_TRANSLATOR	(-4)
+
+#if 0
+/*
+ * Flags for ext2fs_move_blocks
+ */
+#define EXT2_BMOVE_GET_DBLIST	0x0001
+#define EXT2_BMOVE_DEBUG	0x0002
+#endif
+
+/*
+ * Flags for directory block reading and writing functions
+ */
+#define EXT2_DIRBLOCK_V2_STRUCT	0x0001
+
+/*
+ * Return flags for the directory iterator functions
+ */
+#define DIRENT_CHANGED	1
+#define DIRENT_ABORT	2
+#define DIRENT_ERROR	3
+
+/*
+ * Directory iterator flags
+ */
+
+#define DIRENT_FLAG_INCLUDE_EMPTY	1
+#define DIRENT_FLAG_INCLUDE_REMOVED	2
+
+#define DIRENT_DOT_FILE		1
+#define DIRENT_DOT_DOT_FILE	2
+#define DIRENT_OTHER_FILE	3
+#define DIRENT_DELETED_FILE	4
+
+/*
+ * Inode scan definitions
+ */
+typedef struct ext2_struct_inode_scan *ext2_inode_scan;
+
+/*
+ * ext2fs_scan flags
+ */
+#define EXT2_SF_CHK_BADBLOCKS	0x0001
+#define EXT2_SF_BAD_INODE_BLK	0x0002
+#define EXT2_SF_BAD_EXTRA_BYTES	0x0004
+#define EXT2_SF_SKIP_MISSING_ITABLE	0x0008
+
+/*
+ * ext2fs_check_if_mounted flags
+ */
+#define EXT2_MF_MOUNTED		1
+#define EXT2_MF_ISROOT		2
+#define EXT2_MF_READONLY	4
+#define EXT2_MF_SWAP		8
+#define EXT2_MF_BUSY		16
+
+/*
+ * Ext2/linux mode flags.  We define them here so that we don't need
+ * to depend on the OS's sys/stat.h, since we may be compiling on a
+ * non-Linux system.
+ */
+#define LINUX_S_IFMT  00170000
+#define LINUX_S_IFSOCK 0140000
+#define LINUX_S_IFLNK	 0120000
+#define LINUX_S_IFREG  0100000
+#define LINUX_S_IFBLK  0060000
+#define LINUX_S_IFDIR  0040000
+#define LINUX_S_IFCHR  0020000
+#define LINUX_S_IFIFO  0010000
+#define LINUX_S_ISUID  0004000
+#define LINUX_S_ISGID  0002000
+#define LINUX_S_ISVTX  0001000
+
+#define LINUX_S_IRWXU 00700
+#define LINUX_S_IRUSR 00400
+#define LINUX_S_IWUSR 00200
+#define LINUX_S_IXUSR 00100
+
+#define LINUX_S_IRWXG 00070
+#define LINUX_S_IRGRP 00040
+#define LINUX_S_IWGRP 00020
+#define LINUX_S_IXGRP 00010
+
+#define LINUX_S_IRWXO 00007
+#define LINUX_S_IROTH 00004
+#define LINUX_S_IWOTH 00002
+#define LINUX_S_IXOTH 00001
+
+#define LINUX_S_ISLNK(m)	(((m) & LINUX_S_IFMT) == LINUX_S_IFLNK)
+#define LINUX_S_ISREG(m)	(((m) & LINUX_S_IFMT) == LINUX_S_IFREG)
+#define LINUX_S_ISDIR(m)	(((m) & LINUX_S_IFMT) == LINUX_S_IFDIR)
+#define LINUX_S_ISCHR(m)	(((m) & LINUX_S_IFMT) == LINUX_S_IFCHR)
+#define LINUX_S_ISBLK(m)	(((m) & LINUX_S_IFMT) == LINUX_S_IFBLK)
+#define LINUX_S_ISFIFO(m)	(((m) & LINUX_S_IFMT) == LINUX_S_IFIFO)
+#define LINUX_S_ISSOCK(m)	(((m) & LINUX_S_IFMT) == LINUX_S_IFSOCK)
+
+/*
+ * ext2 size of an inode
+ */
+#define EXT2_I_SIZE(i)	((i)->i_size | ((__u64) (i)->i_size_high << 32))
+
+/*
+ * ext2_icount_t abstraction
+ */
+#define EXT2_ICOUNT_OPT_INCREMENT	0x01
+
+typedef struct ext2_icount *ext2_icount_t;
+
+/*
+ * Flags for ext2fs_bmap
+ */
+#define BMAP_ALLOC	0x0001
+#define BMAP_SET	0x0002
+
+/*
+ * Flags for imager.c functions
+ */
+#define IMAGER_FLAG_INODEMAP	1
+#define IMAGER_FLAG_SPARSEWRITE	2
+
+/*
+ * For checking structure magic numbers...
+ */
+
+#define EXT2_CHECK_MAGIC(struct, code) \
+	  if ((struct)->magic != (code)) return (code)
+
+
+/*
+ * For ext2 compression support
+ */
+#define EXT2FS_COMPRESSED_BLKADDR ((blk_t) 0xffffffff)
+#define HOLE_BLKADDR(_b) ((_b) == 0 || (_b) == EXT2FS_COMPRESSED_BLKADDR)
+
+/*
+ * Features supported by this version of the library
+ */
+#define EXT2_LIB_FEATURE_COMPAT_SUPP	(EXT2_FEATURE_COMPAT_DIR_PREALLOC|\
+					 EXT2_FEATURE_COMPAT_IMAGIC_INODES|\
+					 EXT3_FEATURE_COMPAT_HAS_JOURNAL|\
+					 EXT2_FEATURE_COMPAT_RESIZE_INODE|\
+					 EXT2_FEATURE_COMPAT_DIR_INDEX|\
+					 EXT2_FEATURE_COMPAT_EXT_ATTR)
+
+/* This #ifdef is temporary until compression is fully supported */
+#ifdef ENABLE_COMPRESSION
+#ifndef I_KNOW_THAT_COMPRESSION_IS_EXPERIMENTAL
+/* If the below warning bugs you, then have
+   `CPPFLAGS=-DI_KNOW_THAT_COMPRESSION_IS_EXPERIMENTAL' in your
+   environment at configure time. */
+ #warning "Compression support is experimental"
+#endif
+#define EXT2_LIB_FEATURE_INCOMPAT_SUPP	(EXT2_FEATURE_INCOMPAT_FILETYPE|\
+					 EXT2_FEATURE_INCOMPAT_COMPRESSION|\
+					 EXT3_FEATURE_INCOMPAT_JOURNAL_DEV|\
+					 EXT2_FEATURE_INCOMPAT_META_BG|\
+					 EXT3_FEATURE_INCOMPAT_RECOVER)
+#else
+#define EXT2_LIB_FEATURE_INCOMPAT_SUPP	(EXT2_FEATURE_INCOMPAT_FILETYPE|\
+					 EXT3_FEATURE_INCOMPAT_JOURNAL_DEV|\
+					 EXT2_FEATURE_INCOMPAT_META_BG|\
+					 EXT3_FEATURE_INCOMPAT_RECOVER)
+#endif
+#define EXT2_LIB_FEATURE_RO_COMPAT_SUPP	(EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER|\
+					 EXT2_FEATURE_RO_COMPAT_LARGE_FILE)
+/*
+ * function prototypes
+ */
+
+/* alloc.c */
+extern errcode_t ext2fs_new_inode(ext2_filsys fs, ext2_ino_t dir, int mode,
+				  ext2fs_inode_bitmap map, ext2_ino_t *ret);
+extern errcode_t ext2fs_new_block(ext2_filsys fs, blk_t goal,
+				  ext2fs_block_bitmap map, blk_t *ret);
+extern errcode_t ext2fs_get_free_blocks(ext2_filsys fs, blk_t start,
+					blk_t finish, int num,
+					ext2fs_block_bitmap map,
+					blk_t *ret);
+extern errcode_t ext2fs_alloc_block(ext2_filsys fs, blk_t goal,
+				    char *block_buf, blk_t *ret);
+
+/* alloc_sb.c */
+extern int ext2fs_reserve_super_and_bgd(ext2_filsys fs,
+					dgrp_t group,
+					ext2fs_block_bitmap bmap);
+
+/* alloc_stats.c */
+void ext2fs_inode_alloc_stats(ext2_filsys fs, ext2_ino_t ino, int inuse);
+void ext2fs_inode_alloc_stats2(ext2_filsys fs, ext2_ino_t ino,
+			       int inuse, int isdir);
+void ext2fs_block_alloc_stats(ext2_filsys fs, blk_t blk, int inuse);
+
+/* alloc_tables.c */
+extern errcode_t ext2fs_allocate_tables(ext2_filsys fs);
+extern errcode_t ext2fs_allocate_group_table(ext2_filsys fs, dgrp_t group,
+					     ext2fs_block_bitmap bmap);
+
+/* badblocks.c */
+extern errcode_t ext2fs_u32_list_create(ext2_u32_list *ret, int size);
+extern errcode_t ext2fs_u32_list_add(ext2_u32_list bb, __u32 blk);
+extern int ext2fs_u32_list_find(ext2_u32_list bb, __u32 blk);
+extern int ext2fs_u32_list_test(ext2_u32_list bb, blk_t blk);
+extern errcode_t ext2fs_u32_list_iterate_begin(ext2_u32_list bb,
+					       ext2_u32_iterate *ret);
+extern int ext2fs_u32_list_iterate(ext2_u32_iterate iter, blk_t *blk);
+extern void ext2fs_u32_list_iterate_end(ext2_u32_iterate iter);
+extern errcode_t ext2fs_u32_copy(ext2_u32_list src, ext2_u32_list *dest);
+extern int ext2fs_u32_list_equal(ext2_u32_list bb1, ext2_u32_list bb2);
+
+extern errcode_t ext2fs_badblocks_list_create(ext2_badblocks_list *ret,
+					    int size);
+extern errcode_t ext2fs_badblocks_list_add(ext2_badblocks_list bb,
+					   blk_t blk);
+extern int ext2fs_badblocks_list_test(ext2_badblocks_list bb,
+				    blk_t blk);
+extern int ext2fs_u32_list_del(ext2_u32_list bb, __u32 blk);
+extern void ext2fs_badblocks_list_del(ext2_u32_list bb, __u32 blk);
+extern errcode_t
+	ext2fs_badblocks_list_iterate_begin(ext2_badblocks_list bb,
+					    ext2_badblocks_iterate *ret);
+extern int ext2fs_badblocks_list_iterate(ext2_badblocks_iterate iter,
+					 blk_t *blk);
+extern void ext2fs_badblocks_list_iterate_end(ext2_badblocks_iterate iter);
+extern errcode_t ext2fs_badblocks_copy(ext2_badblocks_list src,
+				       ext2_badblocks_list *dest);
+extern int ext2fs_badblocks_equal(ext2_badblocks_list bb1,
+				  ext2_badblocks_list bb2);
+extern int ext2fs_u32_list_count(ext2_u32_list bb);
+
+/* bb_compat */
+extern errcode_t badblocks_list_create(badblocks_list *ret, int size);
+extern errcode_t badblocks_list_add(badblocks_list bb, blk_t blk);
+extern int badblocks_list_test(badblocks_list bb, blk_t blk);
+extern errcode_t badblocks_list_iterate_begin(badblocks_list bb,
+					      badblocks_iterate *ret);
+extern int badblocks_list_iterate(badblocks_iterate iter, blk_t *blk);
+extern void badblocks_list_iterate_end(badblocks_iterate iter);
+extern void badblocks_list_free(badblocks_list bb);
+
+/* bb_inode.c */
+extern errcode_t ext2fs_update_bb_inode(ext2_filsys fs,
+					ext2_badblocks_list bb_list);
+
+/* bitmaps.c */
+extern errcode_t ext2fs_write_inode_bitmap(ext2_filsys fs);
+extern errcode_t ext2fs_write_block_bitmap (ext2_filsys fs);
+extern errcode_t ext2fs_read_inode_bitmap (ext2_filsys fs);
+extern errcode_t ext2fs_read_block_bitmap(ext2_filsys fs);
+extern errcode_t ext2fs_allocate_generic_bitmap(__u32 start,
+						__u32 end,
+						__u32 real_end,
+						const char *descr,
+						ext2fs_generic_bitmap *ret);
+extern errcode_t ext2fs_allocate_block_bitmap(ext2_filsys fs,
+					      const char *descr,
+					      ext2fs_block_bitmap *ret);
+extern errcode_t ext2fs_allocate_inode_bitmap(ext2_filsys fs,
+					      const char *descr,
+					      ext2fs_inode_bitmap *ret);
+extern errcode_t ext2fs_fudge_inode_bitmap_end(ext2fs_inode_bitmap bitmap,
+					       ext2_ino_t end, ext2_ino_t *oend);
+extern errcode_t ext2fs_fudge_block_bitmap_end(ext2fs_block_bitmap bitmap,
+					       blk_t end, blk_t *oend);
+extern void ext2fs_clear_inode_bitmap(ext2fs_inode_bitmap bitmap);
+extern void ext2fs_clear_block_bitmap(ext2fs_block_bitmap bitmap);
+extern errcode_t ext2fs_read_bitmaps(ext2_filsys fs);
+extern errcode_t ext2fs_write_bitmaps(ext2_filsys fs);
+
+/* block.c */
+extern errcode_t ext2fs_block_iterate(ext2_filsys fs,
+				      ext2_ino_t	ino,
+				      int	flags,
+				      char *block_buf,
+				      int (*func)(ext2_filsys fs,
+						  blk_t	*blocknr,
+						  int	blockcnt,
+						  void	*priv_data),
+				      void *priv_data);
+errcode_t ext2fs_block_iterate2(ext2_filsys fs,
+				ext2_ino_t	ino,
+				int	flags,
+				char *block_buf,
+				int (*func)(ext2_filsys fs,
+					    blk_t	*blocknr,
+					    e2_blkcnt_t	blockcnt,
+					    blk_t	ref_blk,
+					    int		ref_offset,
+					    void	*priv_data),
+				void *priv_data);
+
+/* bmap.c */
+extern errcode_t ext2fs_bmap(ext2_filsys fs, ext2_ino_t ino,
+			     struct ext2_inode *inode,
+			     char *block_buf, int bmap_flags,
+			     blk_t block, blk_t *phys_blk);
+
+
+#if 0
+/* bmove.c */
+extern errcode_t ext2fs_move_blocks(ext2_filsys fs,
+				    ext2fs_block_bitmap reserve,
+				    ext2fs_block_bitmap alloc_map,
+				    int flags);
+#endif
+
+/* check_desc.c */
+extern errcode_t ext2fs_check_desc(ext2_filsys fs);
+
+/* closefs.c */
+extern errcode_t ext2fs_close(ext2_filsys fs);
+extern errcode_t ext2fs_flush(ext2_filsys fs);
+extern int ext2fs_bg_has_super(ext2_filsys fs, int group_block);
+extern int ext2fs_super_and_bgd_loc(ext2_filsys fs,
+				    dgrp_t group,
+				    blk_t *ret_super_blk,
+				    blk_t *ret_old_desc_blk,
+				    blk_t *ret_new_desc_blk,
+				    int *ret_meta_bg);
+extern void ext2fs_update_dynamic_rev(ext2_filsys fs);
+
+/* cmp_bitmaps.c */
+extern errcode_t ext2fs_compare_block_bitmap(ext2fs_block_bitmap bm1,
+					     ext2fs_block_bitmap bm2);
+extern errcode_t ext2fs_compare_inode_bitmap(ext2fs_inode_bitmap bm1,
+					     ext2fs_inode_bitmap bm2);
+
+/* dblist.c */
+
+extern errcode_t ext2fs_get_num_dirs(ext2_filsys fs, ext2_ino_t *ret_num_dirs);
+extern errcode_t ext2fs_init_dblist(ext2_filsys fs, ext2_dblist *ret_dblist);
+extern errcode_t ext2fs_add_dir_block(ext2_dblist dblist, ext2_ino_t ino,
+				      blk_t blk, int blockcnt);
+extern void ext2fs_dblist_sort(ext2_dblist dblist,
+			       int (*sortfunc)(const void *,
+							   const void *));
+extern errcode_t ext2fs_dblist_iterate(ext2_dblist dblist,
+	int (*func)(ext2_filsys fs, struct ext2_db_entry *db_info,
+		    void	*priv_data),
+       void *priv_data);
+extern errcode_t ext2fs_set_dir_block(ext2_dblist dblist, ext2_ino_t ino,
+				      blk_t blk, int blockcnt);
+extern errcode_t ext2fs_copy_dblist(ext2_dblist src,
+				    ext2_dblist *dest);
+extern int ext2fs_dblist_count(ext2_dblist dblist);
+
+/* dblist_dir.c */
+extern errcode_t
+	ext2fs_dblist_dir_iterate(ext2_dblist dblist,
+				  int	flags,
+				  char	*block_buf,
+				  int (*func)(ext2_ino_t	dir,
+					      int		entry,
+					      struct ext2_dir_entry *dirent,
+					      int	offset,
+					      int	blocksize,
+					      char	*buf,
+					      void	*priv_data),
+				  void *priv_data);
+
+/* dirblock.c */
+extern errcode_t ext2fs_read_dir_block(ext2_filsys fs, blk_t block,
+				       void *buf);
+extern errcode_t ext2fs_read_dir_block2(ext2_filsys fs, blk_t block,
+					void *buf, int flags);
+extern errcode_t ext2fs_write_dir_block(ext2_filsys fs, blk_t block,
+					void *buf);
+extern errcode_t ext2fs_write_dir_block2(ext2_filsys fs, blk_t block,
+					 void *buf, int flags);
+
+/* dirhash.c */
+extern errcode_t ext2fs_dirhash(int version, const char *name, int len,
+				const __u32 *seed,
+				ext2_dirhash_t *ret_hash,
+				ext2_dirhash_t *ret_minor_hash);
+
+
+/* dir_iterate.c */
+extern errcode_t ext2fs_dir_iterate(ext2_filsys fs,
+			      ext2_ino_t dir,
+			      int flags,
+			      char *block_buf,
+			      int (*func)(struct ext2_dir_entry *dirent,
+					  int	offset,
+					  int	blocksize,
+					  char	*buf,
+					  void	*priv_data),
+			      void *priv_data);
+extern errcode_t ext2fs_dir_iterate2(ext2_filsys fs,
+			      ext2_ino_t dir,
+			      int flags,
+			      char *block_buf,
+			      int (*func)(ext2_ino_t	dir,
+					  int	entry,
+					  struct ext2_dir_entry *dirent,
+					  int	offset,
+					  int	blocksize,
+					  char	*buf,
+					  void	*priv_data),
+			      void *priv_data);
+
+/* dupfs.c */
+extern errcode_t ext2fs_dup_handle(ext2_filsys src, ext2_filsys *dest);
+
+/* expanddir.c */
+extern errcode_t ext2fs_expand_dir(ext2_filsys fs, ext2_ino_t dir);
+
+/* ext_attr.c */
+extern errcode_t ext2fs_read_ext_attr(ext2_filsys fs, blk_t block, void *buf);
+extern errcode_t ext2fs_write_ext_attr(ext2_filsys fs, blk_t block,
+				       void *buf);
+extern errcode_t ext2fs_adjust_ea_refcount(ext2_filsys fs, blk_t blk,
+					   char *block_buf,
+					   int adjust, __u32 *newcount);
+
+/* fileio.c */
+extern errcode_t ext2fs_file_open2(ext2_filsys fs, ext2_ino_t ino,
+				   struct ext2_inode *inode,
+				   int flags, ext2_file_t *ret);
+extern errcode_t ext2fs_file_open(ext2_filsys fs, ext2_ino_t ino,
+				  int flags, ext2_file_t *ret);
+extern ext2_filsys ext2fs_file_get_fs(ext2_file_t file);
+extern errcode_t ext2fs_file_close(ext2_file_t file);
+extern errcode_t ext2fs_file_flush(ext2_file_t file);
+extern errcode_t ext2fs_file_read(ext2_file_t file, void *buf,
+				  unsigned int wanted, unsigned int *got);
+extern errcode_t ext2fs_file_write(ext2_file_t file, const void *buf,
+				   unsigned int nbytes, unsigned int *written);
+extern errcode_t ext2fs_file_llseek(ext2_file_t file, __u64 offset,
+				   int whence, __u64 *ret_pos);
+extern errcode_t ext2fs_file_lseek(ext2_file_t file, ext2_off_t offset,
+				   int whence, ext2_off_t *ret_pos);
+errcode_t ext2fs_file_get_lsize(ext2_file_t file, __u64 *ret_size);
+extern ext2_off_t ext2fs_file_get_size(ext2_file_t file);
+extern errcode_t ext2fs_file_set_size(ext2_file_t file, ext2_off_t size);
+
+/* finddev.c */
+extern char *ext2fs_find_block_device(dev_t device);
+
+/* flushb.c */
+extern errcode_t ext2fs_sync_device(int fd, int flushb);
+
+/* freefs.c */
+extern void ext2fs_free(ext2_filsys fs);
+extern void ext2fs_free_generic_bitmap(ext2fs_inode_bitmap bitmap);
+extern void ext2fs_free_block_bitmap(ext2fs_block_bitmap bitmap);
+extern void ext2fs_free_inode_bitmap(ext2fs_inode_bitmap bitmap);
+extern void ext2fs_free_dblist(ext2_dblist dblist);
+extern void ext2fs_badblocks_list_free(ext2_badblocks_list bb);
+extern void ext2fs_u32_list_free(ext2_u32_list bb);
+
+/* getsize.c */
+extern errcode_t ext2fs_get_device_size(const char *file, int blocksize,
+					blk_t *retblocks);
+
+/* getsectsize.c */
+errcode_t ext2fs_get_device_sectsize(const char *file, int *sectsize);
+
+/* imager.c */
+extern errcode_t ext2fs_image_inode_write(ext2_filsys fs, int fd, int flags);
+extern errcode_t ext2fs_image_inode_read(ext2_filsys fs, int fd, int flags);
+extern errcode_t ext2fs_image_super_write(ext2_filsys fs, int fd, int flags);
+extern errcode_t ext2fs_image_super_read(ext2_filsys fs, int fd, int flags);
+extern errcode_t ext2fs_image_bitmap_write(ext2_filsys fs, int fd, int flags);
+extern errcode_t ext2fs_image_bitmap_read(ext2_filsys fs, int fd, int flags);
+
+/* ind_block.c */
+errcode_t ext2fs_read_ind_block(ext2_filsys fs, blk_t blk, void *buf);
+errcode_t ext2fs_write_ind_block(ext2_filsys fs, blk_t blk, void *buf);
+
+/* initialize.c */
+extern errcode_t ext2fs_initialize(const char *name, int flags,
+				   struct ext2_super_block *param,
+				   io_manager manager, ext2_filsys *ret_fs);
+
+/* icount.c */
+extern void ext2fs_free_icount(ext2_icount_t icount);
+extern errcode_t ext2fs_create_icount2(ext2_filsys fs, int flags,
+				       unsigned int size,
+				       ext2_icount_t hint, ext2_icount_t *ret);
+extern errcode_t ext2fs_create_icount(ext2_filsys fs, int flags,
+				      unsigned int size,
+				      ext2_icount_t *ret);
+extern errcode_t ext2fs_icount_fetch(ext2_icount_t icount, ext2_ino_t ino,
+				     __u16 *ret);
+extern errcode_t ext2fs_icount_increment(ext2_icount_t icount, ext2_ino_t ino,
+					 __u16 *ret);
+extern errcode_t ext2fs_icount_decrement(ext2_icount_t icount, ext2_ino_t ino,
+					 __u16 *ret);
+extern errcode_t ext2fs_icount_store(ext2_icount_t icount, ext2_ino_t ino,
+				     __u16 count);
+extern ext2_ino_t ext2fs_get_icount_size(ext2_icount_t icount);
+errcode_t ext2fs_icount_validate(ext2_icount_t icount, FILE *);
+
+/* inode.c */
+extern errcode_t ext2fs_flush_icache(ext2_filsys fs);
+extern errcode_t ext2fs_get_next_inode_full(ext2_inode_scan scan,
+					    ext2_ino_t *ino,
+					    struct ext2_inode *inode,
+					    int bufsize);
+extern errcode_t ext2fs_open_inode_scan(ext2_filsys fs, int buffer_blocks,
+				  ext2_inode_scan *ret_scan);
+extern void ext2fs_close_inode_scan(ext2_inode_scan scan);
+extern errcode_t ext2fs_get_next_inode(ext2_inode_scan scan, ext2_ino_t *ino,
+			       struct ext2_inode *inode);
+extern errcode_t ext2fs_inode_scan_goto_blockgroup(ext2_inode_scan scan,
+						   int	group);
+extern void ext2fs_set_inode_callback
+	(ext2_inode_scan scan,
+	 errcode_t (*done_group)(ext2_filsys fs,
+				 dgrp_t group,
+				 void * priv_data),
+	 void *done_group_data);
+extern int ext2fs_inode_scan_flags(ext2_inode_scan scan, int set_flags,
+				   int clear_flags);
+extern errcode_t ext2fs_read_inode_full(ext2_filsys fs, ext2_ino_t ino,
+					struct ext2_inode * inode,
+					int bufsize);
+extern errcode_t ext2fs_read_inode (ext2_filsys fs, ext2_ino_t ino,
+			    struct ext2_inode * inode);
+extern errcode_t ext2fs_write_inode_full(ext2_filsys fs, ext2_ino_t ino,
+					 struct ext2_inode * inode,
+					 int bufsize);
+extern errcode_t ext2fs_write_inode(ext2_filsys fs, ext2_ino_t ino,
+			    struct ext2_inode * inode);
+extern errcode_t ext2fs_write_new_inode(ext2_filsys fs, ext2_ino_t ino,
+			    struct ext2_inode * inode);
+extern errcode_t ext2fs_get_blocks(ext2_filsys fs, ext2_ino_t ino, blk_t *blocks);
+extern errcode_t ext2fs_check_directory(ext2_filsys fs, ext2_ino_t ino);
+
+/* inode_io.c */
+extern io_manager inode_io_manager;
+extern errcode_t ext2fs_inode_io_intern(ext2_filsys fs, ext2_ino_t ino,
+					char **name);
+extern errcode_t ext2fs_inode_io_intern2(ext2_filsys fs, ext2_ino_t ino,
+					 struct ext2_inode *inode,
+					 char **name);
+
+/* ismounted.c */
+extern errcode_t ext2fs_check_if_mounted(const char *file, int *mount_flags);
+extern errcode_t ext2fs_check_mount_point(const char *device, int *mount_flags,
+					  char *mtpt, int mtlen);
+
+/* namei.c */
+extern errcode_t ext2fs_lookup(ext2_filsys fs, ext2_ino_t dir, const char *name,
+			 int namelen, char *buf, ext2_ino_t *inode);
+extern errcode_t ext2fs_namei(ext2_filsys fs, ext2_ino_t root, ext2_ino_t cwd,
+			const char *name, ext2_ino_t *inode);
+errcode_t ext2fs_namei_follow(ext2_filsys fs, ext2_ino_t root, ext2_ino_t cwd,
+			      const char *name, ext2_ino_t *inode);
+extern errcode_t ext2fs_follow_link(ext2_filsys fs, ext2_ino_t root, ext2_ino_t cwd,
+			ext2_ino_t inode, ext2_ino_t *res_inode);
+
+/* native.c */
+int ext2fs_native_flag(void);
+
+/* newdir.c */
+extern errcode_t ext2fs_new_dir_block(ext2_filsys fs, ext2_ino_t dir_ino,
+				ext2_ino_t parent_ino, char **block);
+
+/* mkdir.c */
+extern errcode_t ext2fs_mkdir(ext2_filsys fs, ext2_ino_t parent, ext2_ino_t inum,
+			      const char *name);
+
+/* mkjournal.c */
+extern errcode_t ext2fs_create_journal_superblock(ext2_filsys fs,
+						  __u32 size, int flags,
+						  char  **ret_jsb);
+extern errcode_t ext2fs_add_journal_device(ext2_filsys fs,
+					   ext2_filsys journal_dev);
+extern errcode_t ext2fs_add_journal_inode(ext2_filsys fs, blk_t size,
+					  int flags);
+
+/* openfs.c */
+extern errcode_t ext2fs_open(const char *name, int flags, int superblock,
+			     unsigned int block_size, io_manager manager,
+			     ext2_filsys *ret_fs);
+extern errcode_t ext2fs_open2(const char *name, const char *io_options,
+			      int flags, int superblock,
+			      unsigned int block_size, io_manager manager,
+			      ext2_filsys *ret_fs);
+extern blk_t ext2fs_descriptor_block_loc(ext2_filsys fs, blk_t group_block,
+					 dgrp_t i);
+errcode_t ext2fs_get_data_io(ext2_filsys fs, io_channel *old_io);
+errcode_t ext2fs_set_data_io(ext2_filsys fs, io_channel new_io);
+errcode_t ext2fs_rewrite_to_io(ext2_filsys fs, io_channel new_io);
+
+/* get_pathname.c */
+extern errcode_t ext2fs_get_pathname(ext2_filsys fs, ext2_ino_t dir, ext2_ino_t ino,
+			       char **name);
+
+/* link.c */
+errcode_t ext2fs_link(ext2_filsys fs, ext2_ino_t dir, const char *name,
+		      ext2_ino_t ino, int flags);
+errcode_t ext2fs_unlink(ext2_filsys fs, ext2_ino_t dir, const char *name,
+			ext2_ino_t ino, int flags);
+
+/* read_bb.c */
+extern errcode_t ext2fs_read_bb_inode(ext2_filsys fs,
+				      ext2_badblocks_list *bb_list);
+
+/* read_bb_file.c */
+extern errcode_t ext2fs_read_bb_FILE2(ext2_filsys fs, FILE *f,
+				      ext2_badblocks_list *bb_list,
+				      void *priv_data,
+				      void (*invalid)(ext2_filsys fs,
+						      blk_t blk,
+						      char *badstr,
+						      void *priv_data));
+extern errcode_t ext2fs_read_bb_FILE(ext2_filsys fs, FILE *f,
+				     ext2_badblocks_list *bb_list,
+				     void (*invalid)(ext2_filsys fs,
+						     blk_t blk));
+
+/* res_gdt.c */
+extern errcode_t ext2fs_create_resize_inode(ext2_filsys fs);
+
+/* rs_bitmap.c */
+extern errcode_t ext2fs_resize_generic_bitmap(__u32 new_end,
+					      __u32 new_real_end,
+					      ext2fs_generic_bitmap bmap);
+extern errcode_t ext2fs_resize_inode_bitmap(__u32 new_end, __u32 new_real_end,
+					    ext2fs_inode_bitmap bmap);
+extern errcode_t ext2fs_resize_block_bitmap(__u32 new_end, __u32 new_real_end,
+					    ext2fs_block_bitmap bmap);
+extern errcode_t ext2fs_copy_bitmap(ext2fs_generic_bitmap src,
+				    ext2fs_generic_bitmap *dest);
+
+/* swapfs.c */
+extern void ext2fs_swap_ext_attr(char *to, char *from, int bufsize,
+				 int has_header);
+extern void ext2fs_swap_super(struct ext2_super_block * super);
+extern void ext2fs_swap_group_desc(struct ext2_group_desc *gdp);
+extern void ext2fs_swap_inode_full(ext2_filsys fs, struct ext2_inode_large *t,
+				   struct ext2_inode_large *f, int hostorder,
+				   int bufsize);
+extern void ext2fs_swap_inode(ext2_filsys fs,struct ext2_inode *t,
+			      struct ext2_inode *f, int hostorder);
+
+/* valid_blk.c */
+extern int ext2fs_inode_has_valid_blocks(struct ext2_inode *inode);
+
+/* version.c */
+extern int ext2fs_parse_version_string(const char *ver_string);
+extern int ext2fs_get_library_version(const char **ver_string,
+				      const char **date_string);
+
+/* write_bb_file.c */
+extern errcode_t ext2fs_write_bb_FILE(ext2_badblocks_list bb_list,
+				      unsigned int flags,
+				      FILE *f);
+
+
+/* inline functions */
+extern errcode_t ext2fs_get_mem(unsigned long size, void *ptr);
+extern errcode_t ext2fs_free_mem(void *ptr);
+extern errcode_t ext2fs_resize_mem(unsigned long old_size,
+				   unsigned long size, void *ptr);
+extern void ext2fs_mark_super_dirty(ext2_filsys fs);
+extern void ext2fs_mark_changed(ext2_filsys fs);
+extern int ext2fs_test_changed(ext2_filsys fs);
+extern void ext2fs_mark_valid(ext2_filsys fs);
+extern void ext2fs_unmark_valid(ext2_filsys fs);
+extern int ext2fs_test_valid(ext2_filsys fs);
+extern void ext2fs_mark_ib_dirty(ext2_filsys fs);
+extern void ext2fs_mark_bb_dirty(ext2_filsys fs);
+extern int ext2fs_test_ib_dirty(ext2_filsys fs);
+extern int ext2fs_test_bb_dirty(ext2_filsys fs);
+extern int ext2fs_group_of_blk(ext2_filsys fs, blk_t blk);
+extern int ext2fs_group_of_ino(ext2_filsys fs, ext2_ino_t ino);
+extern blk_t ext2fs_inode_data_blocks(ext2_filsys fs,
+				      struct ext2_inode *inode);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _EXT2FS_EXT2FS_H */