#ifndef _xfs_h
#define _xfs_h

#include <xfs_common.h>
#include <xfs/xfs_node.h>
#include <xfs/namei.h>
#include <sys/types.h>

/*
 * Filesystem struct.
 */
struct xfs {
  u_int status;		/* Inited, opened or mounted */
#define XFS_MOUNTED	0x1
  struct super_block *sb;
#if 0 /* sunos */
  struct vfs *vfsp;
#endif
  struct xfs_node *root;
  u_int nnodes;

#if 1
  struct xfs_node *nodes;		/* replace with hash table */
#endif
  int fd;
};

#define VFS_TO_XFS(v)      ((struct xfs *) ((v)->u.generic_sbp))
#define XFS_TO_VFS(x)      ((x)->sb)

#define XFS_FROM_VNODE(vp) VFS_TO_XFS((vp)->i_sb)
#define XFS_FROM_XNODE(xp) XFS_FROM_VNODE(XNODE_TO_VNODE(xp))

extern struct xfs xfs[];

extern struct vnodeops xfs_vnodeops;

struct xfs_node *xfs_node_find (struct xfs *, struct xfs_handle *);
struct xfs_node *new_xfs_node (struct xfs *, struct xfs_msg_node *);
void free_xfs_node (struct xfs_node *);
void free_all_xfs_nodes (struct xfs *xfsp);

int xfs_dnlc_enter (struct inode *,
		    char *,
		    struct inode *);
struct inode * xfs_dnlc_lookup (struct inode *,
				struct componentname *);
void xfs_dnlc_purge (struct super_block *);

#endif /* _xfs_h */