CACHE_DISCARD    2278 drivers/md/bcache/super.c 		ca->discard = CACHE_DISCARD(&ca->sb);
CACHE_DISCARD    1111 drivers/md/bcache/sysfs.c 		if (v != CACHE_DISCARD(&ca->sb)) {
CACHE_DISCARD     217 include/uapi/linux/bcache.h BITMASK(CACHE_DISCARD,			struct cache_sb, flags, 1, 1);