Bump reva to 85468735db

To get new GetUserNoGroups() helper

vendor/github.com/ceph/go-ceph/cephfs/admin/subvolume_snapshot_path.go

@@ -0,0 +1,22 @@
+//go:build !(octopus || pacific || quincy || reef || squid) && ceph_preview
+
+package admin
+
+// SubVolumeSnapshotPath returns the path for a snapshot from the source subvolume.
+//
+// Similar To:
+//
+//	ceph fs subvolume snapshot getpath <volume> --group-name=<group> <source> <name>
+func (fsa *FSAdmin) SubVolumeSnapshotPath(volume, group, source, name string) (string, error) {
+	m := map[string]string{
+		"prefix":    "fs subvolume snapshot getpath",
+		"vol_name":  volume,
+		"sub_name":  source,
+		"snap_name": name,
+		"format":    "json",
+	}
+	if group != NoGroup {
+		m["group_name"] = group
+	}
+	return parsePathResponse(fsa.marshalMgrCommand(m))
+}