BKEY_MANTISSA_BITS 240 drivers/md/bcache/bset.c #define BKEY_MANTISSA_MASK ((1 << BKEY_MANTISSA_BITS) - 1) BKEY_MANTISSA_BITS 245 drivers/md/bcache/bset.c unsigned int mantissa:BKEY_MANTISSA_BITS; BKEY_MANTISSA_BITS 625 drivers/md/bcache/bset.c f->exponent = max_t(int, f->exponent - BKEY_MANTISSA_BITS, 0);