1 /* SPDX-License-Identifier: GPL-2.0 */
2 
3 #ifndef BTRFS_EXPORT_H
4 #define BTRFS_EXPORT_H
5 
6 #include <linux/exportfs.h>
7 #include <linux/types.h>
8 
9 struct dentry;
10 struct super_block;
11 
12 extern const struct export_operations btrfs_export_ops;
13 
14 struct btrfs_fid {
15 	u64 objectid;
16 	u64 root_objectid;
17 	u32 gen;
18 
19 	u64 parent_objectid;
20 	u32 parent_gen;
21 
22 	u64 parent_root_objectid;
23 } __attribute__ ((packed));
24 
25 struct dentry *btrfs_get_dentry(struct super_block *sb, u64 objectid,
26 				u64 root_objectid, u64 generation);
27 struct dentry *btrfs_get_parent(struct dentry *child);
28 
29 #endif
30