ext4_read_inline_data
error = ext4_read_inline_data(inode, buf, inline_size, iloc);
ret = ext4_read_inline_data(inode, dir_buf, inline_size, &iloc);
ret = ext4_read_inline_data(inode, dir_buf, inline_size, &iloc);
ret = ext4_read_inline_data(inode, link, inline_size, &iloc);
ret = ext4_read_inline_data(inode, kaddr, len, &iloc);