From 1b3c0d148959a61c2cc8481b9b45920593fcbe81 Mon Sep 17 00:00:00 2001
From: Aaron Jacobs <jacobsa@google.com>
Date: Fri, 27 Feb 2015 13:56:51 +1100
Subject: [PATCH] Implemented HelloFS.LookUpInode.

---
 samples/hello_fs.go | 40 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 40 insertions(+)

diff --git a/samples/hello_fs.go b/samples/hello_fs.go
index 6c6548c..5324839 100644
--- a/samples/hello_fs.go
+++ b/samples/hello_fs.go
@@ -77,6 +77,46 @@ var gInodeInfo = map[fuse.InodeID]inodeInfo{
 	},
 }
 
+func findChildInode(
+	name string,
+	children []fuseutil.Dirent) (inode fuse.InodeID, err error) {
+	for _, e := range children {
+		if e.Name == name {
+			inode = e.Inode
+			return
+		}
+	}
+
+	err = fuse.ENOENT
+	return
+}
+
+func (fs *HelloFS) LookUpInode(
+	ctx context.Context,
+	req *fuse.LookUpInodeRequest) (
+	resp *fuse.LookUpInodeResponse, err error) {
+	resp = &fuse.LookUpInodeResponse{}
+
+	// Find the info for the parent.
+	parentInfo, ok := gInodeInfo[req.Parent]
+	if !ok {
+		err = fuse.ENOENT
+		return
+	}
+
+	// Find the child within the parent.
+	childInode, err := findChildInode(req.Name, parentInfo.children)
+	if err != nil {
+		return
+	}
+
+	// Copy over information.
+	resp.Child = childInode
+	resp.Attributes = gInodeInfo[childInode].attributes
+
+	return
+}
+
 func (fs *HelloFS) GetInodeAttributes(
 	ctx context.Context,
 	req *fuse.GetInodeAttributesRequest) (