From 6f8dbe44b0f6364fcaeb81dd021724479762b36f Mon Sep 17 00:00:00 2001
From: Aaron Jacobs <jacobsa@google.com>
Date: Tue, 19 May 2015 15:52:28 +1000
Subject: [PATCH] Restored lost code.

---
 samples/memfs/inode.go | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/samples/memfs/inode.go b/samples/memfs/inode.go
index b74c4dc..07ee86f 100644
--- a/samples/memfs/inode.go
+++ b/samples/memfs/inode.go
@@ -168,6 +168,26 @@ func (in *inode) isFile() bool {
 	return !(in.isDir() || in.isSymlink())
 }
 
+// Return the index of the child within in.entries, if it exists.
+//
+// REQUIRES: in.dir
+// LOCKS_REQUIRED(in.mu)
+func (in *inode) findChild(name string) (i int, ok bool) {
+	if !in.isDir() {
+		panic("findChild called on non-directory.")
+	}
+
+	var e fuseutil.Dirent
+	for i, e = range in.entries {
+		if e.Name == name {
+			ok = true
+			return
+		}
+	}
+
+	return
+}
+
 ////////////////////////////////////////////////////////////////////////
 // Public methods
 ////////////////////////////////////////////////////////////////////////