#include <parted/parted.h>
#include <parted/debug.h>
#include <sys/types.h>
-#include "tune.h"
#include <inttypes.h>
# define _(String) (String)
#endif /* ENABLE_NLS */
-
-/* Ehrm.... sorry, pedanticists! :-) */
-#ifndef offsetof
-# define offsetof(type, field) ((size_t)(&(((type *)0)->field)))
-#endif
-
-#ifdef __BEOS__
- typedef off_t loff_t;
-#endif
-
typedef u_int32_t blk_t;
-#ifdef HAVE_LINUX_EXT2_FS_H
-#define _LINUX_TYPES_H
-#define i_version i_generation
+#ifdef HAVE_LINUX_EXT2_FS_H__FAILS_TO_COMPILE
#include <linux/ext2_fs.h>
#else
#include "ext2_fs.h"
#endif
-extern unsigned char _bitmap[8];
-
-struct ext2_buffer_cache
-{
- struct ext2_buffer_head *cache;
- struct ext2_buffer_head *heads;
- struct ext2_buffer_head **hash;
- struct ext2_fs *fs;
-
- int size;
- int numalloc;
- unsigned char *buffermem;
-};
-
-struct ext2_buffer_head
-{
- struct ext2_buffer_head *next;
- struct ext2_buffer_head *prev;
- unsigned char *data;
- blk_t block;
-
- int usecount;
- int dirty;
-
- struct ext2_buffer_cache *bc;
- int alloc;
-};
-
-struct ext2_dev_ops
-{
- int (*close)(void *cookie);
- blk_t (*get_size)(void *cookie);
- int (*read)(void *cookie, void *ptr, blk_t block, blk_t num);
- int (*set_blocksize)(void *cookie, int logsize);
- int (*sync)(void *cookie);
- int (*write)(void *cookie, void *ptr, blk_t block, blk_t num);
-};
-
-struct ext2_dev_handle
-{
- struct ext2_dev_ops *ops;
- void *cookie;
-};
-
struct ext2_fs
{
struct ext2_dev_handle *devhandle;
void *journal;
};
-
-#define EXT2_ACTION_ADD 1
-#define EXT2_ACTION_DELETE 2
-#define EXT2_ACTION_FIND 3
-
-#define EXT2_META_CLEAN 0
-#define EXT2_META_PRIMARY_SB 1
-#define EXT2_META_BACKUP_SB 2
-#define EXT2_META_PRIMARY_GD 4
-#define EXT2_META_BACKUP_GD 8
-
-#define EXT2_META_PRIMARY (EXT2_META_PRIMARY_SB | EXT2_META_PRIMARY_GD)
-#define EXT2_META_BACKUP (EXT2_META_BACKUP_SB | EXT2_META_BACKUP_GD)
-#define EXT2_META_SB (EXT2_META_PRIMARY_SB | EXT2_META_BACKUP_SB)
-#define EXT2_META_GD (EXT2_META_PRIMARY_GD | EXT2_META_BACKUP_GD)
-
-/* generic stuff */
-int ext2_copy_block (struct ext2_fs *fs, blk_t from, blk_t to);
-void ext2_close (struct ext2_fs *fs);
-int ext2_commit_metadata (struct ext2_fs *fs, int copies);
-off_t ext2_get_inode_offset (struct ext2_fs *fs, ino_t inode, blk_t *block);
-blk_t ext2_find_free_block (struct ext2_fs *fs);
-ino_t ext2_find_free_inode (struct ext2_fs *fs);
-int ext2_get_inode_state (struct ext2_fs *fs, ino_t inode);
-int ext2_is_group_sparse (struct ext2_fs *fs, int group);
-int ext2_move_blocks (struct ext2_fs *fs, blk_t src, blk_t num, blk_t dest);
-struct ext2_fs *ext2_open (struct ext2_dev_handle *handle, int state);
-int ext2_read_blocks (struct ext2_fs *fs, void *ptr, blk_t block, blk_t numblocks);
-int ext2_read_inode (struct ext2_fs *fs, ino_t inode, struct ext2_inode *inodep);
-int ext2_set_inode_state (struct ext2_fs *fs, ino_t inode, int state, int updatemetadata);
-int ext2_do_inode (struct ext2_fs *fs, struct ext2_inode *inode, blk_t block, int action);
-int ext2_sync (struct ext2_fs *fs);
-int ext2_write_blocks (struct ext2_fs *fs, void *ptr, blk_t block, blk_t numblocks);
-int ext2_write_inode (struct ext2_fs *fs, ino_t inode, const struct ext2_inode *inodep);
-int ext2_zero_blocks (struct ext2_fs *fs, blk_t block, blk_t num);
-int ext2_zero_inode (struct ext2_fs *fs, ino_t inode);
-
-/* block related */
-void ext2_bgbitmap_cache_deinit (struct ext2_fs *fs);
-int ext2_bgbitmap_cache_flush (struct ext2_fs *fs);
-int ext2_bgbitmap_cache_init (struct ext2_fs *fs);
-int ext2_get_block_state (struct ext2_fs *, blk_t block);
-int ext2_set_block_state (struct ext2_fs *, blk_t block, int state, int updatemetadata);
-
-/* block relocator */
-int ext2_block_relocate (struct ext2_fs *fs, blk_t newsize);
-
-/* buffer */
-void ext2_bcache_deinit (struct ext2_fs *fs);
-void ext2_bcache_dump (struct ext2_fs *fs);
-int ext2_bcache_flush (struct ext2_fs *fs, blk_t block);
-int ext2_bcache_flush_range (struct ext2_fs *fs, blk_t first, blk_t last);
-int ext2_bcache_init (struct ext2_fs *fs);
-int ext2_bcache_sync (struct ext2_fs *fs);
-struct ext2_buffer_head *ext2_bcreate (struct ext2_fs *fs, blk_t block);
-struct ext2_buffer_head *ext2_bread (struct ext2_fs *fs, blk_t block);
-int ext2_brelse (struct ext2_buffer_head *bh, int forget);
-
-/* inode relocator */
-int ext2_inode_relocate (struct ext2_fs *fs, int newgroups);
-
-/* journalling */
-void ext2_journal_deinit (struct ext2_fs *fs);
-int ext2_journal_init (struct ext2_fs *fs);
-
-/* metadata mover */
-int ext2_metadata_push (struct ext2_fs *fs, blk_t newsize);
-
-/* fs creation */
-struct ext2_fs *ext2_mkfs (struct ext2_dev_handle *handle, blk_t numblocks, int log_block_size, blk_t blocks_per_group, int inodes_per_group, int sparse_sb, int reserved_block_percentage, PedTimer* timer);
-
-/* resize */
-int ext2_resize_fs (struct ext2_fs *fs, blk_t newsize, PedTimer* timer);
-
-/* unix I/O */
-struct ext2_dev_handle *ext2_make_dev_handle_from_file(char *dev);
-
-
-
-
-static __inline__ int ext2_is_data_block(struct ext2_fs *fs, blk_t block)
-{
- blk_t blk;
- int group;
-
- PED_ASSERT (block >= EXT2_SUPER_FIRST_DATA_BLOCK(fs->sb));
- PED_ASSERT (block < EXT2_SUPER_BLOCKS_COUNT(fs->sb));
-
- blk = block - EXT2_SUPER_FIRST_DATA_BLOCK(fs->sb);
-
- group = blk / EXT2_SUPER_BLOCKS_PER_GROUP(fs->sb);
- blk %= EXT2_SUPER_BLOCKS_PER_GROUP(fs->sb);
-
- if (ext2_is_group_sparse(fs, group) && blk <= fs->gdblocks)
- return 0;
-
- if (block == EXT2_GROUP_BLOCK_BITMAP(fs->gd[group]) ||
- block == EXT2_GROUP_INODE_BITMAP(fs->gd[group]))
- return 0;
-
- if (block >= EXT2_GROUP_INODE_TABLE(fs->gd[group]) &&
- block < EXT2_GROUP_INODE_TABLE(fs->gd[group]) + fs->inodeblocks)
- return 0;
-
- return 1;
-}
-
#endif
OSDN Git Service
