#define EXTSTR "[%lu -> %lu/%lu]"
#define EXTPARA(ext) (ext)->oe_start, (ext)->oe_end, (ext)->oe_max_end
-static const char *oes_strings[] = {
+static const char *const oes_strings[] = {
"inv", "active", "cache", "locking", "lockdone", "rpc", "trunc", NULL };
#define OSC_EXTENT_DUMP_WITH_LOC(file, func, line, mask, extent, fmt, ...) do {\