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Re: [dm-devel] help:"event number"



On Mon, Jan 17, 2011 at 10:12:51AM +0800, tom z wrote:
>    What's the meaning of the "Event number". Is it number of the device's
> I/O event? If the number is greater to zero, it means the I/O request's
> happening?

No.  Just means something happened that userspace ought to know about,
like a path failing.  Used by 'wait' - see 'man dmsetup' and
http://people.redhat.com/agk/talks/FOSDEM_2005/text51.html .

Alasdair


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