-void xfs_tosspages(struct xfs_inode *inode, xfs_off_t first,
- xfs_off_t last, int fiopt);
-int xfs_flushinval_pages(struct xfs_inode *ip, xfs_off_t first,
- xfs_off_t last, int fiopt);
-int xfs_flush_pages(struct xfs_inode *ip, xfs_off_t first,
- xfs_off_t last, uint64_t flags, int fiopt);
-int xfs_wait_on_pages(struct xfs_inode *ip, xfs_off_t first, xfs_off_t last);