9p: fix option parsing

[safe/jmp/linux-2.6] / fs / namespace.c

diff --git a/fs/namespace.c b/fs/namespace.c
index 779293e..c768f73 100644 (file)
--- a/fs/namespace.c
+++ b/fs/namespace.c
@@ -1671,6 +1671,8 @@ int do_add_mount(struct vfsmount *newmnt, struct path *path,
 {
        int err;
 
+       mnt_flags &= ~(MNT_SHARED | MNT_WRITE_HOLD);
+
        down_write(&namespace_sem);
        /* Something was mounted here while we slept */
        while (d_mountpoint(path->dentry) &&