Re: [PATCH v2 0/9] tools/xenstored: add support for watch depth feature

[Jürgen Groß <jgross@xxxxxxxx>]

On 21.04.26 09:55, Jan Beulich wrote:
> On 21.04.2026 09:42, Juergen Gross wrote:
> > In order to reduce excessive number of watch events the watch depth
> > feature has been defined, allowing the user to limit the number of
> > node levels below the watched node to cause events.
> >
> > This series is implementing this feature for xenstored (including the
> > PV and PVH stubdom variants).
> >
> > Possible users are:
> >
> > - xl/libxl: use domid information for the special @introduceDomain and
> >    @releaseDomain watches, which will be available when using depth = 1
> >
> > - xenconsoled, like xl/libxl
> >
> > - any PV-device backends watching directories for added devices (no
> >    watch events when any device specific node is modified)
> >
> > - any PV-device frontend and backend watching the "state" node of the
> >    other side, in case the other side plays dirty games by building
> >    large sub-trees beneath the "state" node
> >
> > Changes in V2:
> > - some minor stale changes reverted
> > - last patch covered by the series now, man page updated
> Is this really everything that changed? I wanted to commit the first two
> patches from v1, but I had to leave out patch 1 as it didn't apply. Patch
Ah, there was change in the patch context due to the per-domain quota series:
a literal atoi() was replaced by a parse_domid().


Juergen

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