1. 根目录:
2. fs
3. nilfs2
4. export.h

#ifndef NILFS_EXPORT_H
#define NILFS_EXPORT_H

#include <linux/exportfs.h>

extern const struct export_operations nilfs_export_ops;

/**
 * struct nilfs_fid - NILFS file id type
 * @cno: checkpoint number
 * @ino: inode number
 * @gen: file generation (version) for NFS
 * _gen: parent generation (version) for NFS
 * _ino: parent inode number
 */
struct nilfs_fid {
	u64 cno;
	u64 ino;
	u32 gen;

	u32 parent_gen;
	u64 parent_ino;
} __attribute__ ((packed));

#endif