[PATCH v1 0/3] nvmet-rdma automatic port re-activation

Doug Ledford dledford at redhat.com
Thu Apr 19 19:48:34 PDT 2018


On Sun, 2018-04-15 at 11:53 +0300, Sagi Grimberg wrote:
> > > When a RDMA device goes away we must destroy all it's associated
> > > RDMA resources. RDMa device resets also manifest as device removal
> > > events and a short while after they come back. We want to re-activate
> > > a port listener on this RDMA device when it comes back in to the system.
> > 
> > I really detest this series.  It just shows how messed up the whole
> > IB core interaction is.  The right way to fix this is to stop treating
> > a IB device reset as a device removal, and give it a different event.
> > 
> > And also make sure we have a single unified event system instead of
> > three separate ones.
> 
> I've raised this claim before, but got resistance from Doug:
> https://www.spinics.net/lists/linux-rdma/msg59815.html

I'm not the sole maintainer any more.  If you want to appeal to Jason's
better sensibilities in an attempt to get someone on your side and make
a difference, I won't take offense.

> At that point, in the lack of change in the RDMA interface, this
> is pretty much what we can do to support device resets...
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-- 
Doug Ledford <dledford at redhat.com>
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