Re: [PATCH 1/1] Adding issync field to delegreturn_exit tracepoint

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On Mon, Oct 12, 2015 at 11:47 PM, Trond Myklebust
<trond.myklebust@xxxxxxxxxxxxxxx> wrote:
> On Mon, Oct 12, 2015 at 5:55 PM, Olga Kornievskaia <aglo@xxxxxxxxx> wrote:
>> It'll be nice to know when we return delegations synchronously or not.
>
> Why? This patch forces us to carry an otherwise completely unnecessary
> parameter, so at the very minimum we should have a discussion of what
> the real use cases are.

I used it to diagnose the race of open and delegreturn. If it's kept
that some delegreturns are synchronous and others are not I think the
information is useful.

Speaking of there is a race between state manager thread returning
used delegations and new open. Previously I thought it was evict
inode...

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