Re: [PATCH] cramfs corruption after BLKFLSBUF on loop device

[Olaf Hering <olh@suse.de>]

 On Fri, Jun 02, Andrew Morton wrote:

> On Fri, 2 Jun 2006 21:37:02 +0200
> Olaf Hering <olh@suse.de> wrote:
> 
> > > I'd suggest you run SetPagePrivate() and SetPageChecked() on the locked
> > > page and implement a_ops.releasepage(), which will fail if PageChecked(),
> > > and will succeed otherwise:
> > 
> > No leak without tweaking PG_private.
> 
> Odd.  That would imply that PG_private is being left set somehow (it will
> make the page unreclaimable).  But I don't see it.
> 
> Plus if we have lots of PagePrivate() pages floating about you should see
> your ->releasepage() being called.

The change from Chris leaks as well, but very very slowly.

Please wait while I dig into the page states...
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