Messages in this thread | | | Subject | Re: [PATCH] Freeze bdevs when freezing processes. | From | Nigel Cunningham <> | Date | Thu, 26 Oct 2006 19:18:57 +1000 |
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Hi.
On Thu, 2006-10-26 at 18:57 +1000, David Chinner wrote: > I didn't think we've ever done that - periodic or delayed operations > are passed off to the kernel threads to execute. A stack trace > (if you still have it) would be really help here.
I don't, but I know how to get it again. Will give it a go shortly.
> Hmmm - we have a couple of per-cpu work queues as well that are > used on I/O completion and that can, in some circumstances, > trigger new transactions. If we are only flush metadata, then > I don't think that any more I/o will be issued, but I could be > wrong (maze of twisty passages).
I can understand that. I'm trying to learn Xgl programming at the mo :)
Nigel
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