R5C_EXTRA_PAGE_IN_USE 2779 drivers/md/raid5-cache.c 		clear_bit(R5C_EXTRA_PAGE_IN_USE, &conf->cache_state);
R5C_EXTRA_PAGE_IN_USE 3943 drivers/md/raid5.c 				if (!test_and_set_bit(R5C_EXTRA_PAGE_IN_USE,