From 983e30c01616b40348735f894d42bbad204f6b99 Mon Sep 17 00:00:00 2001
From: Craig Chi <craigchi@google.com>
Date: Thu, 20 Aug 2020 10:40:41 -0700
Subject: [PATCH] Implementing inode.Getlink

kernfs uses inode.Getlink to resolve symlink when look up paths.

Updates #3452
---
 pkg/sentry/fsimpl/fuse/fusefs.go | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/pkg/sentry/fsimpl/fuse/fusefs.go b/pkg/sentry/fsimpl/fuse/fusefs.go
index c55ea927a..e1bbb4b52 100644
--- a/pkg/sentry/fsimpl/fuse/fusefs.go
+++ b/pkg/sentry/fsimpl/fuse/fusefs.go
@@ -488,6 +488,12 @@ func (i *inode) newEntry(ctx context.Context, name string, fileType linux.FileMo
 	return child.VFSDentry(), nil
 }
 
+// Getlink implements Inode.Getlink.
+func (i *inode) Getlink(ctx context.Context, mnt *vfs.Mount) (vfs.VirtualDentry, string, error) {
+	path, err := i.Readlink(ctx, mnt)
+	return vfs.VirtualDentry{}, path, err
+}
+
 // Readlink implements kernfs.Inode.Readlink.
 func (i *inode) Readlink(ctx context.Context, mnt *vfs.Mount) (string, error) {
 	if i.Mode().FileType()&linux.S_IFLNK == 0 {