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/* Remount an active filesystem
Copyright (C) 1995, 1996 Free Software Foundation, Inc.
Written by Miles Bader <miles@gnu.ai.mit.edu>
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 this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
#include "priv.h"
/* Re-read all incore data structures from disk. This will only work if
DISKFS_READONLY is true. DISKFS_FSYS_LOCK should be held while calling
this routine. */
error_t
diskfs_remount ()
{
error_t err;
if (! diskfs_check_readonly ())
return EBUSY;
err = ports_inhibit_class_rpcs (diskfs_protid_class);
if (err)
return err;
err = diskfs_reload_global_state ();
if (!err)
err = diskfs_node_iterate (diskfs_node_reload);
ports_resume_class_rpcs (diskfs_protid_class);
return err;
}
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