85 void read_sb(int fd, struct ext4_super_block* sb) {  in read_sb()  argument
91     ret = read(fd, sb, sizeof(*sb));  in read_sb()
93     if (ret != sizeof(*sb)) critical_error("failed to read all of superblock");  in read_sb()
142         aux_info.sb = (struct ext4_super_block*)((char*)aux_info.sb_block + 1024);  in ext4_create_fs_aux_info()
144         aux_info.sb = aux_info.sb_block;  in ext4_create_fs_aux_info()
149     if (!aux_info.sb) critical_error_errno("calloc");  in ext4_create_fs_aux_info()
168 void ext4_parse_sb_info(struct ext4_super_block* sb) {  in ext4_parse_sb_info()  argument
169     if (sb->s_magic != EXT4_SUPER_MAGIC) error("superblock magic incorrect");  in ext4_parse_sb_info()
171     if ((sb->s_state & EXT4_VALID_FS) != EXT4_VALID_FS) error("filesystem state not valid");  in ext4_parse_sb_info()
173     ext4_parse_sb(sb, &info);  in ext4_parse_sb_info()
177     memcpy(aux_info.sb, sb, sizeof(*sb));  in ext4_parse_sb_info()
179     if (aux_info.first_data_block != sb->s_first_data_block)  in ext4_parse_sb_info()
280     struct ext4_super_block sb;  in read_ext()  local
282     read_sb(fd, &sb);  in read_ext()
284     ext4_parse_sb_info(&sb);  in read_ext()
307                aux_info.sb->s_inodes_count - aux_info.sb->s_free_inodes_count,  in read_ext()
308                aux_info.sb->s_inodes_count,  in read_ext()
309                aux_info.sb->s_blocks_count_lo - aux_info.sb->s_free_blocks_count_lo,  in read_ext()
310                aux_info.sb->s_blocks_count_lo);  in read_ext()