internel implemention of file operation

[horseriver]

On Thu, Jan 03, 2013 at 12:48:01PM +0530, Rajat Sharma wrote:
> Never heard of page-cache?

will it be maped with vm_area struct ?
what is the relation between page-cache and file operation?

thanks!

> 
> 
> On Thu, Jan 3, 2013 at 12:29 PM, horseriver <horserivers at gmail.com> wrote:
> 
> > hi:
> >
> >   when one file is opened , does its  data be put into memory ? and all
> > operation on this file
> >
> >   will be implemented by operation on its mapping memory area ?
> >
> > thanks!
> >
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