David Howells <[email protected]> wrote:

> > > - wait_on_page_writeback(page);
> > > + if (wait_on_page_writeback_killable(page) < 0)
> > > +         return VM_FAULT_RETRY | VM_FAULT_LOCKED;
> > 
> > You forgot to unlock the page.
> 
> Do I need to?  Doesn't VM_FAULT_LOCKED indicate that to the caller?  Or is it
> impermissible to do it like that?

Looks like, yes, I do need to.  VM_FAULT_LOCKED is ignored if RETRY is given.

David

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