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
25 uint32_t max_copy_inodes;
26 uint32_t cur_copy_inodes;
27 struct task_info *info;
30 struct btrfs_convert_context;
32 struct btrfs_trans_handle;
33 struct btrfs_inode_item;
35 struct btrfs_convert_operations {
37 int (*open_fs)(struct btrfs_convert_context *cctx, const char *devname);
38 int (*read_used_space)(struct btrfs_convert_context *cctx);
39 int (*copy_inodes)(struct btrfs_convert_context *cctx,
40 struct btrfs_root *root, int datacsum,
41 int packing, int noxattr, struct task_ctx *p);
42 void (*close_fs)(struct btrfs_convert_context *cctx);
43 int (*check_state)(struct btrfs_convert_context *cctx);
46 struct blk_iterate_data {
47 struct btrfs_trans_handle *trans;
48 struct btrfs_root *root;
49 struct btrfs_root *convert_root;
50 struct btrfs_inode_item *inode;
61 void init_convert_context(struct btrfs_convert_context *cctx);
62 void clean_convert_context(struct btrfs_convert_context *cctx);
63 int block_iterate_proc(u64 disk_block, u64 file_block,
64 struct blk_iterate_data *idata);
65 void init_blk_iterate_data(struct blk_iterate_data *data,
66 struct btrfs_trans_handle *trans,
67 struct btrfs_root *root,
68 struct btrfs_inode_item *inode,
69 u64 objectid, int checksum);
70 int convert_insert_dirent(struct btrfs_trans_handle *trans,
71 struct btrfs_root *root,
72 const char *name, size_t name_len,
73 u64 dir, u64 objectid,
74 u8 file_type, u64 index_cnt,
75 struct btrfs_inode_item *inode);
76 int read_disk_extent(struct btrfs_root *root, u64 bytenr,
77 u32 num_bytes, char *buffer);
78 int record_file_blocks(struct blk_iterate_data *data,
79 u64 file_block, u64 disk_block, u64 num_blocks);