/* diskfs_startup_diskfs -- advertise our fsys control port to our parent FS.
   Copyright (C) 1994, 1995, 1996 Free Software Foundation

This file is part of the GNU Hurd.

The GNU Hurd is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.

The GNU Hurd is distributed in the hope that it will be useful, 
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with the GNU Hurd; see the file COPYING.  If not, write to
the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */

/* Written by Roland McGrath.  */

#include "priv.h"
#include <stdio.h>
#include <hurd/fsys.h>

mach_port_t
diskfs_startup_diskfs (mach_port_t bootstrap, int flags)
{
  mach_port_t realnode;
  struct port_info *newpi;
  
  if (! diskfs_readonly)
    /* Change to writable mode.  */
    diskfs_readonly_changed (0);

  if (bootstrap != MACH_PORT_NULL)
    {
      errno = ports_create_port (diskfs_control_class, diskfs_port_bucket,
				 sizeof (struct port_info), &newpi);
      if (! errno)
	{
	  errno = fsys_startup (bootstrap, flags, ports_get_right (newpi),
				MACH_MSG_TYPE_MAKE_SEND, &realnode);
	  ports_port_deref (newpi);
	}
      if (errno)
	{
	  perror ("Translator startup failure: fsys_startup");
	  exit (1);
	}
      mach_port_deallocate (mach_task_self (), bootstrap);
      _diskfs_ncontrol_ports++;
    }
  else
    {
      realnode = MACH_PORT_NULL;

      /* We are the bootstrap filesystem; do special boot-time setup.  */
      diskfs_start_bootstrap ();
    }

  if (diskfs_default_sync_interval)
    /* Start 'em sync'n */
    diskfs_set_sync_interval (diskfs_default_sync_interval);

  return realnode;
}