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Re: system crash when much disk io

From: Thomas Bushnell, BSG
Subject: Re: system crash when much disk io
Date: 25 Nov 2001 11:45:28 -0800
User-agent: Gnus/5.0808 (Gnus v5.8.8) Emacs/20.7

Roland McGrath <roland@frob.com> writes:

> > This is a bug.  I have attached a patch.  Could you give it a try and
> > see if the bug shows up again (I have never actually seen it on my
> > system)?
> I think your fix is wrong.  The allocation ought to have already happened
> in pager_unlock page before it becomes possible for file_pager_write_page
> to get called for that page.  As the comment says, pager_unlock_page
> and diskfs_grow are the only places data blocks get allocated.

Roland is right.  

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