2 * This program is free software; you can redistribute it and/or
3 * modify it under the terms of the GNU General Public
4 * License v2 as published by the Free Software Foundation.
6 * This program is distributed in the hope that it will be useful,
7 * but WITHOUT ANY WARRANTY; without even the implied warranty of
8 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
9 * General Public License for more details.
11 * You should have received a copy of the GNU General Public
12 * License along with this program; if not, write to the
13 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
14 * Boston, MA 021110-1307, USA.
17 #ifndef __BTRFS_CONVERT_SOURCE_FS_H__
18 #define __BTRFS_CONVERT_SOURCE_FS_H__
20 #include "kerncompat.h"
22 #define CONV_IMAGE_SUBVOL_OBJECTID BTRFS_FIRST_FREE_OBJECTID
29 struct task_info *info;
32 struct btrfs_convert_context;
34 struct btrfs_convert_operations {
36 int (*open_fs)(struct btrfs_convert_context *cctx, const char *devname);
37 int (*read_used_space)(struct btrfs_convert_context *cctx);
38 int (*copy_inodes)(struct btrfs_convert_context *cctx,
39 struct btrfs_root *root, int datacsum,
40 int packing, int noxattr, struct task_ctx *p);
41 void (*close_fs)(struct btrfs_convert_context *cctx);
42 int (*check_state)(struct btrfs_convert_context *cctx);
45 struct btrfs_trans_handle;
47 struct btrfs_inode_item;
49 struct blk_iterate_data {
50 struct btrfs_trans_handle *trans;
51 struct btrfs_root *root;
52 struct btrfs_root *convert_root;
53 struct btrfs_inode_item *inode;
64 void init_convert_context(struct btrfs_convert_context *cctx);
65 void clean_convert_context(struct btrfs_convert_context *cctx);
66 int block_iterate_proc(u64 disk_block, u64 file_block,
67 struct blk_iterate_data *idata);
68 void init_blk_iterate_data(struct blk_iterate_data *data,
69 struct btrfs_trans_handle *trans,
70 struct btrfs_root *root,
71 struct btrfs_inode_item *inode,
72 u64 objectid, int checksum);
73 int convert_insert_dirent(struct btrfs_trans_handle *trans,
74 struct btrfs_root *root,
75 const char *name, size_t name_len,
76 u64 dir, u64 objectid,
77 u8 file_type, u64 index_cnt,
78 struct btrfs_inode_item *inode);
79 int read_disk_extent(struct btrfs_root *root, u64 bytenr,
80 u32 num_bytes, char *buffer);
81 int record_file_blocks(struct blk_iterate_data *data,
82 u64 file_block, u64 disk_block, u64 num_blocks);