vfs_vnode_io
status_t vfs_vnode_io(struct vnode* vnode, void* cookie,
status = vfs_vnode_io(vnode, cookie, &request);
status = vfs_vnode_io(vnode, cookie, &request);
error = vfs_vnode_io(cookie->vnode, cookie->descriptor->cookie,
return vfs_vnode_io(vnode, cookie, request);
return vfs_vnode_io(vnode, cookie, request);
return vfs_vnode_io(vnode, descriptor->cookie, request);