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SubjectRe: cache limit

On 08.19, Andrew Morton wrote:
> "J.A. Magallon" <> wrote:
> >
> > > It was not. Instead we have fadvise. So it would be appropriate to
> >
> > Does this work in 2.4 ?
> > If not, any patch flying around ?
> No. It would be fairly messy to implement in 2.4 because 2.4 does not have
> the per-inode radix trees for pagecache. The implementation would need to
> walk every page attached to the inode just to shoot down a single page.
> And all of it underneath the global pagecache lock.
> But it is certainly possible.

So could O_STREAMING be included in 2.4, and let people do things like

#if 2.4

Or, if fadvise just fails with error code in 2.4,
if (fadvise()<0)

Or even:
and let whatever succeed...

Or is it too dirt ?


J.A. Magallon <> \ Software is like sex: \ It's better when it's free
Mandrake Linux release 9.2 (Cooker) for i586
Linux 2.4.22-rc2-jam1m (gcc 3.3.1 (Mandrake Linux 9.2 3.3.1-1mdk))
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