1 /*- 2 * Copyright (c) 2013 EMC Corp. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 */ 26 27 #include <sys/cdefs.h> 28 __FBSDID("$FreeBSD$"); 29 30 #include <sys/param.h> 31 #include <sys/lock.h> 32 #include <sys/freebsd_rwlock.h> 33 34 #include <vm/vm.h> 35 #include <vm/vm_param.h> 36 #include <vm/vm_object.h> 37 #include <vm/vm_page.h> 38 #include <vm/vm_pager.h> 39 40 const int zfs_vm_pagerret_bad = VM_PAGER_BAD; 41 const int zfs_vm_pagerret_error = VM_PAGER_ERROR; 42 const int zfs_vm_pagerret_ok = VM_PAGER_OK; 43 44 void 45 zfs_vmobject_assert_wlocked(vm_object_t object) 46 { 47 48 /* 49 * This is not ideal because FILE/LINE used by assertions will not 50 * be too helpful, but it must be an hard function for 51 * compatibility reasons. 52 */ 53 VM_OBJECT_ASSERT_WLOCKED(object); 54 } 55 56 void 57 zfs_vmobject_wlock(vm_object_t object) 58 { 59 60 VM_OBJECT_WLOCK(object); 61 } 62 63 void 64 zfs_vmobject_wunlock(vm_object_t object) 65 { 66 67 VM_OBJECT_WUNLOCK(object); 68 } 69