ext2_find_first_zero_bit   13 include/asm-generic/bitops/ext2-non-atomic.h #define ext2_find_first_zero_bit(addr, size) \
ext2_find_first_zero_bit  370 include/asm-m68k/bitops.h static inline int ext2_find_first_zero_bit(const void *vaddr, unsigned size)