union_vnops.c (27ed09c2f080ccf8a1216cb6ccf5a92e96046d03) union_vnops.c (831a80b0d5d50e416fe5e4b237d3a9fd4eea00b8)
1/*
2 * Copyright (c) 1992, 1993, 1994, 1995 Jan-Simon Pendry.
3 * Copyright (c) 1992, 1993, 1994, 1995
4 * The Regents of the University of California. All rights reserved.
5 *
6 * This code is derived from software contributed to Berkeley by
7 * Jan-Simon Pendry.
8 *

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30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
31 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35 * SUCH DAMAGE.
36 *
37 * @(#)union_vnops.c 8.32 (Berkeley) 6/23/95
1/*
2 * Copyright (c) 1992, 1993, 1994, 1995 Jan-Simon Pendry.
3 * Copyright (c) 1992, 1993, 1994, 1995
4 * The Regents of the University of California. All rights reserved.
5 *
6 * This code is derived from software contributed to Berkeley by
7 * Jan-Simon Pendry.
8 *

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30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
31 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35 * SUCH DAMAGE.
36 *
37 * @(#)union_vnops.c 8.32 (Berkeley) 6/23/95
38 * $Id: union_vnops.c,v 1.58 1998/07/04 20:45:35 julian Exp $
38 * $Id: union_vnops.c,v 1.59 1998/12/14 05:00:59 dillon Exp $
39 */
40
41#include <sys/param.h>
42#include <sys/systm.h>
43#include <sys/proc.h>
44#include <sys/fcntl.h>
45#include <sys/stat.h>
46#include <sys/kernel.h>

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690 struct vnode *vp;
691 struct vnode *savedvp;
692
693 /*
694 * Disallow write attempts on filesystems mounted read-only.
695 */
696 if (ap->a_mode & VWRITE && (ap->a_vp->v_mount->mnt_flag & MNT_RDONLY)) {
697 switch (ap->a_vp->v_type) {
39 */
40
41#include <sys/param.h>
42#include <sys/systm.h>
43#include <sys/proc.h>
44#include <sys/fcntl.h>
45#include <sys/stat.h>
46#include <sys/kernel.h>

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690 struct vnode *vp;
691 struct vnode *savedvp;
692
693 /*
694 * Disallow write attempts on filesystems mounted read-only.
695 */
696 if (ap->a_mode & VWRITE && (ap->a_vp->v_mount->mnt_flag & MNT_RDONLY)) {
697 switch (ap->a_vp->v_type) {
698 case VREG: case VDIR: case VLNK:
698 case VREG:
699 case VDIR:
700 case VLNK:
699 return (EROFS);
701 return (EROFS);
702 default:
703 break;
700 }
701 }
702 if ((vp = un->un_uppervp) != NULLVP) {
703 FIXUP(un, p);
704 ap->a_vp = vp;
705 return (VCALL(vp, VOFFSET(vop_access), ap));
706 }
707

--- 1093 unchanged lines hidden --- 		704 }
705 }
706 if ((vp = un->un_uppervp) != NULLVP) {
707 FIXUP(un, p);
708 ap->a_vp = vp;
709 return (VCALL(vp, VOFFSET(vop_access), ap));
710 }
711

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