[src/trunk]: src/sys/rump/librump/rumpvfs reject r/o mount attempts

[pooka <pooka%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/d8994f18df4c
branches:  trunk
changeset: 760746:d8994f18df4c
user:      pooka <pooka%NetBSD.org@localhost>
date:      Wed Jan 12 17:20:54 2011 +0000

description:
reject r/o mount attempts

diffstat:

 sys/rump/librump/rumpvfs/rumpfs.c |  9 +++++++--
 1 files changed, 7 insertions(+), 2 deletions(-)

diffs (30 lines):

diff -r b6cf40df7a1d -r d8994f18df4c sys/rump/librump/rumpvfs/rumpfs.c
--- a/sys/rump/librump/rumpvfs/rumpfs.c Wed Jan 12 17:16:24 2011 +0000
+++ b/sys/rump/librump/rumpvfs/rumpfs.c Wed Jan 12 17:20:54 2011 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: rumpfs.c,v 1.83 2011/01/12 17:14:34 pooka Exp $        */
+/*     $NetBSD: rumpfs.c,v 1.84 2011/01/12 17:20:54 pooka Exp $        */
 
 /*
  * Copyright (c) 2009, 2010 Antti Kantee.  All Rights Reserved.
@@ -26,7 +26,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: rumpfs.c,v 1.83 2011/01/12 17:14:34 pooka Exp $");
+__KERNEL_RCSID(0, "$NetBSD: rumpfs.c,v 1.84 2011/01/12 17:20:54 pooka Exp $");
 
 #include <sys/param.h>
 #include <sys/atomic.h>
@@ -1563,6 +1563,11 @@
 {
        int error;
 
+       if (mp->mnt_flag & MNT_RDONLY) {
+               printf("rumpfs does not support r/o mounts\n");
+               return EOPNOTSUPP;
+       }
+
        error = set_statvfs_info(mntpath, UIO_USERSPACE, "rumpfs", UIO_SYSSPACE,
            mp->mnt_op->vfs_name, mp, curlwp);
        if (error)