Accessing file mapped data inside the kernel (newbie Q.)

[Paulo da Silva]

Hello!

How do I access the data and its length mapped to a file
after returning from generic_file_mmap(file,vma) inside
the kernel?
How about more than one page?

int <A_FILESYSTEM_NAME (ext3 for ex.)>_file_mmap(struct file * file, 
struct vm_area_struct * vma)
{
   int addr;
   addr=generic_file_mmap(file,vma);
   ?????
   return addr;
}

Thanks

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