func (repo *repository) Manifests(ctx context.Context, options ...distribution.ManifestServiceOption) (distribution.ManifestService, error) {
	manifestLinkPathFns := []linkPathFunc{
		// NOTE(stevvooe): Need to search through multiple locations since
		// 2.1.0 unintentionally linked into  _layers.
		manifestRevisionLinkPath,
		blobLinkPath,
	}

	manifestDirectoryPathSpec := manifestRevisionsPathSpec{name: repo.name.Name()}

	var statter distribution.BlobDescriptorService = &linkedBlobStatter{
		blobStore:   repo.blobStore,
		repository:  repo,
		linkPathFns: manifestLinkPathFns,
	}

	// ......

	blobStore := &linkedBlobStore{
		ctx:                  ctx,
		blobStore:            repo.blobStore,
		repository:           repo,
		deleteEnabled:        repo.registry.deleteEnabled,
		blobAccessController: statter,

		// TODO(stevvooe): linkPath limits this blob store to only
		// manifests. This instance cannot be used for blob checks.
		linkPathFns:           manifestLinkPathFns,
		linkDirectoryPathSpec: manifestDirectoryPathSpec,
	}

	// ......

	ms := &manifestStore{
                 // ......
		blobStore:      blobStore,
                 // ......
		
	}

       // ......

	return ms, nil
}

// Delete removes the revision of the specified manifest.
func (ms *manifestStore) Delete(ctx context.Context, dgst digest.Digest) error {
	dcontext.GetLogger(ms.ctx).Debug("(*manifestStore).Delete")
	return ms.blobStore.Delete(ctx, dgst)
}

func (lbs *linkedBlobStore) Delete(ctx context.Context, dgst digest.Digest) error {
	if !lbs.deleteEnabled {
		return distribution.ErrUnsupported
	}

	// Ensure the blob is available for deletion
	_, err := lbs.blobAccessController.Stat(ctx, dgst)
	if err != nil {
		return err
	}

	err = lbs.blobAccessController.Clear(ctx, dgst)
	if err != nil {
		return err
	}

	return nil
}