From 9aee3c67f23fc20aeb33b9387db8d3514198eb21 Mon Sep 17 00:00:00 2001 From: kevlo Date: Tue, 17 Jan 2012 01:25:53 +0000 Subject: [PATCH 162/175] Return EOPNOTSUPP since we only support update mounts for NFS export. Spotted by: trociny git-svn-id: http://svn.freebsd.org/base/head@230252 ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f (cherry picked from commit 8b87abf18ebe4cbb2e210436d84bad500389a979) Signed-off-by: Xin Li --- sys/fs/tmpfs/tmpfs_vfsops.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/sys/fs/tmpfs/tmpfs_vfsops.c b/sys/fs/tmpfs/tmpfs_vfsops.c index 8316c70..e04c410 100644 --- a/sys/fs/tmpfs/tmpfs_vfsops.c +++ b/sys/fs/tmpfs/tmpfs_vfsops.c @@ -150,8 +150,12 @@ tmpfs_mount(struct mount *mp) return (EINVAL); if (mp->mnt_flag & MNT_UPDATE) { + /* + * Only support update mounts for NFS export. + */ if (vfs_flagopt(mp->mnt_optnew, "export", NULL, 0)) return (0); + return (EOPNOTSUPP); } vn_lock(mp->mnt_vnodecovered, LK_SHARED | LK_RETRY); -- 1.7.9.4