Implementing inode.Getlink

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

Updates #3452

1 files changed, 6 insertions, 0 deletions

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 {