EXTENT_CTLBITS    606 fs/btrfs/extent_io.c 	unsigned bits_to_clear = *bits & ~EXTENT_CTLBITS;
EXTENT_CTLBITS    688 fs/btrfs/extent_io.c 		bits |= ~EXTENT_CTLBITS;
EXTENT_CTLBITS    891 fs/btrfs/extent_io.c 	unsigned bits_to_set = *bits & ~EXTENT_CTLBITS;