Re: page cache doubt

["Luciano A. Stertz" <luciano@xxxxxxxxxxxx>]

    Does someone have a clue about this? I just cannot understand the 
i_mapping x i_data relationship. Any comment is very welcome!

    Luciano

Luciano A. Stertz wrote:
>     I'm trying to understand the page cache mechanism, but I have a 
> doubt and couldn't find any documentation about it, neighter was able to 
> understand reading the code. Hope that someone can help me and/or 
> indicate some doc.
>     Every inode has an address_space, that keeps a list of cached pages 
> in a digital tree. So far so good. Now the doubt: the inode struct has 
> two address_spaces, i_mapping and i_data. As far as I could understand, 
> i_mapping is the address_space I'm looking for, since it is passed to 
> the readpage method, but what is i_data function?
>
>     TIA,
>         Luciano Stertz


--
Luciano A. Stertz
luciano@xxxxxxxxxxxx
T&T Engenheiros Associados Ltda
http://www.tteng.com.br
Fone/Fax (51) 3224 8425

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