// any valid content, if any is recoverable. But if
			// notFoundDataDirs are already greater than the data
			// blocks all bets are off and it is safe to purge.
			//
			// This is purely a defensive code, ideally parityBlocks
			// is sufficient, however we can't know that since we
			// do have the FileInfo{}.
			return validMeta, true
		}

		//
		// Note that in the current implementation (Go 1.20) both
		// routines are assembly stubs that forward calls to the
		// internal/runtime/atomic equivalents, hence the infinite
		// loop scenario is purely theoretical (maybe if in some
		// future implementation one of these functions might be
		// written in Go). See #57445 for more details.
		if atomicOnAtomic() && (fname == "AddUint32" || fname == "StoreUint32") {