vfs_devmounting
if (vfs_devmounting(dev, vfsp))
if (vfs_devmounting(*pseudodev, vfsp)) {
if (vfs_devmounting(*pseudodev, vfsp)) {
if (vfs_devmounting(dev, vfsp)) {
vfs_devmounting(dev, vfsp)) {
if ((vfs_devmounting(dev, vfsp)) ||
int vfs_devmounting(dev_t, struct vfs *);