numchars 1459 fs/ext2/balloc.c unsigned long ext2_count_free(struct buffer_head *map, unsigned int numchars) numchars 1461 fs/ext2/balloc.c return numchars * BITS_PER_BYTE - memweight(map->b_data, numchars); numchars 14 fs/ext4/bitmap.c unsigned int ext4_count_free(char *bitmap, unsigned int numchars) numchars 16 fs/ext4/bitmap.c return numchars * BITS_PER_BYTE - memweight(bitmap, numchars); numchars 2312 fs/ext4/ext4.h extern unsigned int ext4_count_free(char *bitmap, unsigned numchars);