writeback_in_progress  866 fs/fs-writeback.c 		if (skip_if_busy && writeback_in_progress(wb))
writeback_in_progress 1058 fs/fs-writeback.c 	if (!skip_if_busy || !writeback_in_progress(&bdi->wb)) {
writeback_in_progress 1667 mm/page-writeback.c 		if (unlikely(!writeback_in_progress(wb)))
writeback_in_progress 1815 mm/page-writeback.c 	if (writeback_in_progress(wb))