vfs_get_mount_point
status_t vfs_get_mount_point(dev_t mountID, dev_t* _mountPointMountID,
vfs_get_mount_point(fatVolume->pm_dev->si_id, &mountpt, &mountino);
status_t status = vfs_get_mount_point(_volume->id, &deviceID, &nodeID);
error = vfs_get_mount_point(fFSVolume->id, &fMountPoint.deviceID,