1/*
2 * This file and its contents are supplied under the terms of the
3 * Common Development and Distribution License ("CDDL"), version 1.0.
4 * You may only use this file in accordance with the terms of version
5 * 1.0 of the CDDL.
6 *
7 * A full copy of the text of the CDDL should have accompanied this
8 * source.  A copy of the CDDL is also available via the Internet at
9 * http://www.illumos.org/license/CDDL.
10 */
11
12/*
13 * Copyright 2013 Nexenta Systems, Inc.  All rights reserved.
14 */
15
16#include <sys/types.h>
17#include <sys/param.h>
18#include <sys/systm.h>
19#include <sys/cmn_err.h>
20#include <sys/cred.h>
21#include <sys/debug.h>
22#include <sys/errno.h>
23#include <sys/file.h>
24#include <sys/kmem.h>
25#include <sys/t_lock.h>
26#include <sys/user.h>
27#include <sys/uio.h>
28#include <sys/pathname.h>
29#include <sys/sysmacros.h>
30#include <sys/vfs.h>
31#include <sys/vnode.h>
32
33#include <sys/acl.h>
34#include <sys/nbmlock.h>
35#include <sys/fcntl.h>
36
37/*
38 * Are vp1 and vp2 the same vnode?
39 */
40int
41vn_compare(vnode_t *vp1, vnode_t *vp2)
42{
43	vnode_t *realvp;
44
45	if (vp1 != NULL && VOP_REALVP(vp1, &realvp, NULL) == 0)
46		vp1 = realvp;
47	if (vp2 != NULL && VOP_REALVP(vp2, &realvp, NULL) == 0)
48		vp2 = realvp;
49	return (VN_CMP(vp1, vp2));
50}
51
52/* ARGSUSED */
53vfs_t *
54vn_mountedvfs(vnode_t *vp)
55{
56	return (NULL);
57}
58
59void
60xva_init(xvattr_t *xvap)
61{
62	bzero(xvap, sizeof (xvattr_t));
63	xvap->xva_mapsize = XVA_MAPSIZE;
64	xvap->xva_magic = XVA_MAGIC;
65	xvap->xva_vattr.va_mask = AT_XVATTR;
66	xvap->xva_rtnattrmapp = &(xvap->xva_rtnattrmap)[0];
67}
68
69/*
70 * If AT_XVATTR is set, returns a pointer to the embedded xoptattr_t
71 * structure.  Otherwise, returns NULL.
72 */
73xoptattr_t *
74xva_getxoptattr(xvattr_t *xvap)
75{
76	xoptattr_t *xoap = NULL;
77	if (xvap->xva_vattr.va_mask & AT_XVATTR)
78		xoap = &xvap->xva_xoptattrs;
79	return (xoap);
80}
81