DECLARE_FIFO      439 drivers/md/bcache/bcache.h 	DECLARE_FIFO(long, free)[RESERVE_NR];
DECLARE_FIFO      440 drivers/md/bcache/bcache.h 	DECLARE_FIFO(long, free_inc);
DECLARE_FIFO      117 drivers/md/bcache/journal.h 	DECLARE_FIFO(atomic_t, pin);