Hi!
> > I don't think we can do that. I suspect rename looks like:
> >
> > write directory entry in source
> > A) (uninterruptible wait for write)
> > write directory entry in destination
> > (uninterruptible wait for write)
> > write something else
> >
> > If we freeze some task in place "A)", we'll write to the disk when the
> > directory write is finished :-(.
>
> Renaming is a single syscall, so won't the process get frozen when the
> syscall
> finishes?
It would be frozen when syscall finishes. But if we freeze it at A)
point, we have a problem.
> Perhaps you've just found more logic for keeping the sys_sync there?
No, I don't think so.
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures)
http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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