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Symlinks are created by default with mode 777 now, old behavior is still
accessible through sysctl through.  irixsgid mount option deprecated and
it too is still accessible through sysctl.
Merge of 2.4.x-xfs:slinx:129282a by nathans.

  Remove the restricted_chown global variable here, handle this in a way
  thats consistent with other parameters (sgid, symlink perms).

/*
 * Copyright (c) 2000-2002 Silicon Graphics, Inc.  All Rights Reserved.
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of version 2 of the GNU General Public License as
 * published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it would be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 *
 * Further, this software is distributed without any warranty that it is
 * free of the rightful claim of any third person regarding infringement
 * or the like.	 Any license provided herein, whether implied or
 * otherwise, applies only to this software file.  Patent licenses, if
 * any, provided herein do not apply to combinations of this program with
 * other software, or any other product whatsoever.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write the Free Software Foundation, Inc., 59
 * Temple Place - Suite 330, Boston MA 02111-1307, USA.
 *
 * Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
 * Mountain View, CA  94043, or:
 *
 * http://www.sgi.com
 *
 * For further information regarding this notice, see:
 *
 * http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/
 */

/*
 * This file contains globals needed by XFS that were normally defined
 * somewhere else in IRIX.
 */

#include <xfs.h>

uint64_t	xfs_panic_mask;		/* set to cause more panics */
unsigned long	xfs_physmem;

/*
 * Used to serialize atomicIncWithWrap.
 */
spinlock_t Atomic_spin = SPIN_LOCK_UNLOCKED;

/*
 * Global system credential structure.
 */
cred_t sys_cred_val, *sys_cred = &sys_cred_val;

/*
 * The global quota manager. There is only one of these for the entire
 * system, _not_ one per file system. XQM keeps track of the overall
 * quota functionality, including maintaining the freelist and hash
 * tables of dquots.
 */
struct xfs_qm	*xfs_Gqm;
mutex_t		xfs_Gqm_lock;

/* Export XFS symbols used by xfsidbg */
EXPORT_SYMBOL(xfs_Gqm);
EXPORT_SYMBOL(xfs_next_bit);
EXPORT_SYMBOL(xfs_contig_bits);
EXPORT_SYMBOL(xfs_bmbt_get_all);