2 * Copyright (c) 2013 EMC Corp.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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.
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
27 #include <sys/cdefs.h>
28 __FBSDID("$FreeBSD$");
30 #include <sys/param.h>
32 #include <sys/freebsd_rwlock.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>
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 const int zfs_vm_pagerput_sync = VM_PAGER_PUT_SYNC;
44 const int zfs_vm_pagerput_inval = VM_PAGER_PUT_INVAL;
47 zfs_vmobject_assert_wlocked(vm_object_t object)
51 * This is not ideal because FILE/LINE used by assertions will not
52 * be too helpful, but it must be an hard function for
53 * compatibility reasons.
55 VM_OBJECT_ASSERT_WLOCKED(object);
59 zfs_vmobject_wlock(vm_object_t object)
62 VM_OBJECT_WLOCK(object);
66 zfs_vmobject_wunlock(vm_object_t object)
69 VM_OBJECT_WUNLOCK(object);