84 lines
2.6 KiB
C
84 lines
2.6 KiB
C
/*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public
|
|
* License v2 as published by the Free Software Foundation.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public
|
|
* License along with this program; if not, write to the
|
|
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
|
* Boston, MA 021110-1307, USA.
|
|
*/
|
|
|
|
#ifndef __BTRFS_CONVERT_SOURCE_EXT2_H__
|
|
#define __BTRFS_CONVERT_SOURCE_EXT2_H__
|
|
|
|
#if BTRFSCONVERT_EXT2
|
|
|
|
#include "kerncompat.h"
|
|
#include <ext2fs/ext2_fs.h>
|
|
#include <ext2fs/ext2fs.h>
|
|
#include "convert/source-fs.h"
|
|
|
|
struct btrfs_inode_item;
|
|
struct btrfs_root;
|
|
struct btrfs_trans_handle;
|
|
|
|
#define INO_OFFSET (BTRFS_FIRST_FREE_OBJECTID - EXT2_ROOT_INO)
|
|
|
|
/*
|
|
* Compatibility code for e2fsprogs 1.41 which doesn't support RO compat flag
|
|
* BIGALLOC.
|
|
* Unlike normal RO compat flag, BIGALLOC affects how e2fsprogs check used
|
|
* space, and btrfs-convert heavily relies on it.
|
|
*
|
|
* e2fsprogs 1.42 also introduced the 64-bit API. Any file system
|
|
* that requires it will have EXT4_FEATURE_INCOMPAT_64BIT set and
|
|
* will fail to open with earlier releases. We can map it to the
|
|
* older API without risk of corruption.
|
|
*/
|
|
#ifndef EXT2_FLAG_64BITS
|
|
#define EXT2_FLAG_64BITS (0)
|
|
#define ext2fs_get_block_bitmap_range2 ext2fs_get_block_bitmap_range
|
|
#define ext2fs_inode_data_blocks2 ext2fs_inode_data_blocks
|
|
#define ext2fs_read_ext_attr2 ext2fs_read_ext_attr
|
|
#define ext2fs_blocks_count(s) ((s)->s_blocks_count)
|
|
#define EXT2FS_CLUSTER_RATIO(fs) (1)
|
|
#define EXT2_CLUSTERS_PER_GROUP(s) (EXT2_BLOCKS_PER_GROUP(s))
|
|
#define EXT2FS_B2C(fs, blk) (blk)
|
|
#endif
|
|
|
|
/*
|
|
* Following xattr/acl related codes are based on codes in
|
|
* fs/ext3/xattr.c and fs/ext3/acl.c
|
|
*/
|
|
#define EXT2_XATTR_BHDR(ptr) ((struct ext2_ext_attr_header *)(ptr))
|
|
#define EXT2_XATTR_BFIRST(ptr) \
|
|
((struct ext2_ext_attr_entry *)(EXT2_XATTR_BHDR(ptr) + 1))
|
|
#define EXT2_XATTR_IHDR(inode) \
|
|
((struct ext2_ext_attr_header *) ((void *)(inode) + \
|
|
EXT2_GOOD_OLD_INODE_SIZE + (inode)->i_extra_isize))
|
|
#define EXT2_XATTR_IFIRST(inode) \
|
|
((struct ext2_ext_attr_entry *) ((void *)EXT2_XATTR_IHDR(inode) + \
|
|
sizeof(EXT2_XATTR_IHDR(inode)->h_magic)))
|
|
|
|
struct dir_iterate_data {
|
|
struct btrfs_trans_handle *trans;
|
|
struct btrfs_root *root;
|
|
struct btrfs_inode_item *inode;
|
|
u64 objectid;
|
|
u64 index_cnt;
|
|
u64 parent;
|
|
int errcode;
|
|
};
|
|
|
|
#define EXT2_ACL_VERSION 0x0001
|
|
|
|
#endif /* BTRFSCONVERT_EXT2 */
|
|
|
|
#endif
|