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Re: system crash when much disk io
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From: |
Thomas Bushnell, BSG |
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Subject: |
Re: system crash when much disk io |
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Date: |
25 Nov 2001 11:45:28 -0800 |
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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.