diff --git a/lib/cinder b/lib/cinder
index cfa3693..fca01a2 100644
--- a/lib/cinder
+++ b/lib/cinder
@@ -104,6 +104,22 @@
     fi
 fi
 
+# When Cinder is used as a backend for Glance, it can be configured to clone
+# the volume containing image data directly in the backend instead of
+# transferring data from volume to volume.  Value is a comma separated list of
+# schemes (currently only 'file' and 'cinder' are supported).  The default
+# configuration in Cinder is empty (that is, do not use this feature).  NOTE:
+# to use this feature you must also enable GLANCE_SHOW_DIRECT_URL and/or
+# GLANCE_SHOW_MULTIPLE_LOCATIONS for glance-api.conf.
+CINDER_ALLOWED_DIRECT_URL_SCHEMES=${CINDER_ALLOWED_DIRECT_URL_SCHEMES:-}
+if [[ -n "$CINDER_ALLOWED_DIRECT_URL_SCHEMES" ]]; then
+    if [[ "${GLANCE_SHOW_DIRECT_URL:-False}" != "True" \
+            && "${GLANCE_SHOW_MULTIPLE_LOCATIONS:-False}" != "True" ]]; then
+        warn $LINENO "CINDER_ALLOWED_DIRECT_URL_SCHEMES is set, but neither \
+GLANCE_SHOW_DIRECT_URL nor GLANCE_SHOW_MULTIPLE_LOCATIONS is True"
+    fi
+fi
+
 # For backward compatibility
 # Before CINDER_BACKUP_DRIVER was introduced, ceph backup driver was configured
 # along with ceph backend driver.
@@ -266,6 +282,9 @@
     fi
     iniset $CINDER_CONF key_manager backend cinder.keymgr.conf_key_mgr.ConfKeyManager
     iniset $CINDER_CONF key_manager fixed_key $(openssl rand -hex 16)
+    if [[ -n "$CINDER_ALLOWED_DIRECT_URL_SCHEMES" ]]; then
+        iniset $CINDER_CONF DEFAULT allowed_direct_url_schemes $CINDER_ALLOWED_DIRECT_URL_SCHEMES
+    fi
 
     # Avoid RPC timeouts in slow CI and test environments by doubling the
     # default response timeout set by RPC clients. See bug #1873234 for more