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genfs_vfsops.c revision 1.1.10.1
      1  1.1.10.1       mjf /*	$NetBSD: genfs_vfsops.c,v 1.1.10.1 2008/06/02 13:24:20 mjf Exp $	*/
      2       1.1  dholland 
      3       1.1  dholland /*-
      4       1.1  dholland  * Copyright (c) 2008 The NetBSD Foundation, Inc.
      5       1.1  dholland  * All rights reserved.
      6       1.1  dholland  *
      7       1.1  dholland  * Redistribution and use in source and binary forms, with or without
      8       1.1  dholland  * modification, are permitted provided that the following conditions
      9       1.1  dholland  * are met:
     10       1.1  dholland  * 1. Redistributions of source code must retain the above copyright
     11       1.1  dholland  *    notice, this list of conditions and the following disclaimer.
     12       1.1  dholland  * 2. Redistributions in binary form must reproduce the above copyright
     13       1.1  dholland  *    notice, this list of conditions and the following disclaimer in the
     14       1.1  dholland  *    documentation and/or other materials provided with the distribution.
     15       1.1  dholland  *
     16       1.1  dholland  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     17       1.1  dholland  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     18       1.1  dholland  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     19       1.1  dholland  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     20       1.1  dholland  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     21       1.1  dholland  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     22       1.1  dholland  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     23       1.1  dholland  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     24       1.1  dholland  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     25       1.1  dholland  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     26       1.1  dholland  * POSSIBILITY OF SUCH DAMAGE.
     27       1.1  dholland  */
     28       1.1  dholland 
     29       1.1  dholland #include <sys/cdefs.h>
     30  1.1.10.1       mjf __KERNEL_RCSID(0, "$NetBSD: genfs_vfsops.c,v 1.1.10.1 2008/06/02 13:24:20 mjf Exp $");
     31       1.1  dholland 
     32       1.1  dholland #include <sys/types.h>
     33       1.1  dholland #include <sys/mount.h>
     34       1.1  dholland 
     35       1.1  dholland /* required by genfs.h */
     36       1.1  dholland #include <uvm/uvm.h>
     37       1.1  dholland 
     38       1.1  dholland #include <miscfs/genfs/genfs.h>
     39       1.1  dholland #include <miscfs/genfs/genfs_node.h>
     40       1.1  dholland 
     41       1.1  dholland int
     42       1.1  dholland genfs_renamelock_enter(struct mount *mp)
     43       1.1  dholland {
     44       1.1  dholland 	mutex_enter(&mp->mnt_renamelock);
     45       1.1  dholland 	/* Preserve possible error return in case we become interruptible. */
     46       1.1  dholland 	return 0;
     47       1.1  dholland }
     48       1.1  dholland 
     49       1.1  dholland void
     50       1.1  dholland genfs_renamelock_exit(struct mount *mp)
     51       1.1  dholland {
     52       1.1  dholland 	mutex_exit(&mp->mnt_renamelock);
     53       1.1  dholland }
     54