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

[Olaf Hering]

 On Thu, Jun 01, Andrew Morton wrote:


> > Do you want it like that?
> > 
> > lock_page(page);
> > if (PageUptodate(page)) {
> >         SetPageDirty(page);
> >         mb();
> >         return page;
> > }
> 
> Not really ;)  It's hacky.  It'd be better to take a lock.

Which lock exactly? I'm not sure how to proceed from here.
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