#ifndef __XFS_EXCHRANGE_H__
#define __XFS_EXCHRANGE_H__
#define __XFS_EXCHANGE_RANGE_UPD_CMTIME1 …
#define __XFS_EXCHANGE_RANGE_UPD_CMTIME2 …
#define XFS_EXCHANGE_RANGE_PRIV_FLAGS …
struct xfs_exchrange { … };
long xfs_ioc_exchange_range(struct file *file,
struct xfs_exchange_range __user *argp);
struct xfs_exchmaps_req;
void xfs_exchrange_ilock(struct xfs_trans *tp, struct xfs_inode *ip1,
struct xfs_inode *ip2);
void xfs_exchrange_iunlock(struct xfs_inode *ip1, struct xfs_inode *ip2);
int xfs_exchrange_estimate(struct xfs_exchmaps_req *req);
#endif