internel implemention of file operation

[Rajat Sharma]

unfortunately these are not the topic to digest in a mail, I recommend you
reading UTLK book (http://shop.oreilly.com/product/9780596005658.do).

Still...

> will it be maped with vm_area struct ?
Yes if it is accessed via mmap system call.

> what is the relation between page-cache and file operation?
file operations for data access like read/write will look into page-cache
first before going to disk.

-Rajat


On Thu, Jan 3, 2013 at 1:01 PM, horseriver <horserivers at gmail.com> wrote:

> 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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> > >
>
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