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SubjectRe: [PATCH 5/9] writeback: introduce the pageout work
On Fri, 2 Mar 2012 18:39:51 +0800
Fengguang Wu <> wrote:

> > And I agree it's unlikely but given enough time and people, I
> > believe someone finds a way to (inadvertedly) trigger this.
> Right. The pageout works could add lots more iput() to the flusher
> and turn some hidden statistical impossible bugs into real ones.
> Fortunately the "flusher deadlocks itself" case is easy to detect and
> prevent as illustrated in another email.

It would be a heck of a lot safer and saner to avoid the iput(). We
know how to do this, so why not do it?

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