Re: [PATCH v2 0/2] enhance NFSv4.2 SSC to delay unmount source's export.

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On Tue, Apr 6, 2021 at 12:33 PM Chuck Lever III <chuck.lever@xxxxxxxxxx> wrote:
>
>
>
> > On Apr 2, 2021, at 7:30 PM, Dai Ngo <dai.ngo@xxxxxxxxxx> wrote:
> >
> > Hi,
> >
> > Currently the source's export is mounted and unmounted on every
> > inter-server copy operation. This causes unnecessary overhead
> > for each copy.
> >
> > This patch series is an enhancement to allow the export to remain
> > mounted for a configurable period (default to 15 minutes). If the
> > export is not being used for the configured time it will be unmounted
> > by a delayed task. If it's used again then its expiration time is
> > extended for another period.
> >
> > Since mount and unmount are no longer done on each copy request,
> > this overhead is no longer used to decide whether the copy should
> > be done with inter-server copy or generic copy. The threshold used
> > to determine sync or async copy is now used for this decision.
> >
> > -Dai
> >
> > v2: fix compiler warning of missing prototype.
>
> Hi Olga-
>
> I'm getting ready to shrink-wrap the initial NFSD v5.13 pull request.
> Have you had a chance to review Dai's patches?

Hi Chuck,

I apologize I haven't had the chance to review/test it yet. Can I have
until tomorrow evening to do so?

>
>
> --
> Chuck Lever
>
>
>



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