genfs_vfsops.c revision 1.1.2.2
1 1.1.2.2 yamt /* $NetBSD: genfs_vfsops.c,v 1.1.2.2 2008/02/04 09:24:29 yamt Exp $ */ 2 1.1.2.2 yamt 3 1.1.2.2 yamt /*- 4 1.1.2.2 yamt * Copyright (c) 2008 The NetBSD Foundation, Inc. 5 1.1.2.2 yamt * All rights reserved. 6 1.1.2.2 yamt * 7 1.1.2.2 yamt * Redistribution and use in source and binary forms, with or without 8 1.1.2.2 yamt * modification, are permitted provided that the following conditions 9 1.1.2.2 yamt * are met: 10 1.1.2.2 yamt * 1. Redistributions of source code must retain the above copyright 11 1.1.2.2 yamt * notice, this list of conditions and the following disclaimer. 12 1.1.2.2 yamt * 2. Redistributions in binary form must reproduce the above copyright 13 1.1.2.2 yamt * notice, this list of conditions and the following disclaimer in the 14 1.1.2.2 yamt * documentation and/or other materials provided with the distribution. 15 1.1.2.2 yamt * 3. All advertising materials mentioning features or use of this software 16 1.1.2.2 yamt * must display the following acknowledgement: 17 1.1.2.2 yamt * This product includes software developed by the NetBSD 18 1.1.2.2 yamt * Foundation, Inc. and its contributors. 19 1.1.2.2 yamt * 4. Neither the name of The NetBSD Foundation nor the names of its 20 1.1.2.2 yamt * contributors may be used to endorse or promote products derived 21 1.1.2.2 yamt * from this software without specific prior written permission. 22 1.1.2.2 yamt * 23 1.1.2.2 yamt * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 24 1.1.2.2 yamt * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 25 1.1.2.2 yamt * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 26 1.1.2.2 yamt * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 27 1.1.2.2 yamt * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 28 1.1.2.2 yamt * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 29 1.1.2.2 yamt * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 30 1.1.2.2 yamt * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 31 1.1.2.2 yamt * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 32 1.1.2.2 yamt * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 33 1.1.2.2 yamt * POSSIBILITY OF SUCH DAMAGE. 34 1.1.2.2 yamt */ 35 1.1.2.2 yamt 36 1.1.2.2 yamt #include <sys/cdefs.h> 37 1.1.2.2 yamt __KERNEL_RCSID(0, "$NetBSD: genfs_vfsops.c,v 1.1.2.2 2008/02/04 09:24:29 yamt Exp $"); 38 1.1.2.2 yamt 39 1.1.2.2 yamt #include <sys/types.h> 40 1.1.2.2 yamt #include <sys/mount.h> 41 1.1.2.2 yamt 42 1.1.2.2 yamt /* required by genfs.h */ 43 1.1.2.2 yamt #include <uvm/uvm.h> 44 1.1.2.2 yamt 45 1.1.2.2 yamt #include <miscfs/genfs/genfs.h> 46 1.1.2.2 yamt #include <miscfs/genfs/genfs_node.h> 47 1.1.2.2 yamt 48 1.1.2.2 yamt int 49 1.1.2.2 yamt genfs_renamelock_enter(struct mount *mp) 50 1.1.2.2 yamt { 51 1.1.2.2 yamt mutex_enter(&mp->mnt_renamelock); 52 1.1.2.2 yamt /* Preserve possible error return in case we become interruptible. */ 53 1.1.2.2 yamt return 0; 54 1.1.2.2 yamt } 55 1.1.2.2 yamt 56 1.1.2.2 yamt void 57 1.1.2.2 yamt genfs_renamelock_exit(struct mount *mp) 58 1.1.2.2 yamt { 59 1.1.2.2 yamt mutex_exit(&mp->mnt_renamelock); 60 1.1.2.2 yamt } 61
Indexes created Fri Oct 03 02:09:57 GMT 2025