rem: bootfs_get_vnode(fs_cookie _fs, vnode_id id, fs_vnode *v, bool r)
add: bootfs_get_vnode(fs_volume _fs, vnode_id id, fs_vnode *v, bool r)
context: bootfs_get_vnode(fs_cookie _fs, vnode_id id, fs_vnode *v, bool r){	struct bootfs *fs = (struct bootfs *)_fs;	TRACE(("bootfs_get_vnode: asking for vnode 0x%Lx, r %d\n", id, r));	if(!r)		mutex_lock(&fs->lock);	*v = hash_lookup(fs->vnode_list_hash, &id);	if(!r)		mutex_unlock(&fs->lock);	TRACE(("bootfs_get_vnode: looked it up at %p\n", *v));	if(*v)		return 0;	else		return ENOENT;}