FS_VNODE_CAPABILITY_UNLINK
CLEAR_UNSUPPORTED(FS_VNODE_CAPABILITY_UNLINK, unlink);
if (!HasVNodeCapability(vnode, FS_VNODE_CAPABILITY_UNLINK))
fNodeCapabilities.Set(FS_VNODE_CAPABILITY_UNLINK, fFSOps->unlink);
fNodeCapabilities.Set(FS_VNODE_CAPABILITY_UNLINK, fLowLevelOps.unlink);
fNodeCapabilities.Set(FS_VNODE_CAPABILITY_UNLINK, fFS->ops.unlink);
capabilities.Set(FS_VNODE_CAPABILITY_UNLINK, ops->unlink);