[dm-devel] help:"event number"
Alasdair G Kergon
agk at redhat.com
Mon Jan 17 03:29:39 UTC 2011
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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