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From: dledford@redhat.com (Doug Ledford)
Subject: [PATCH v1 0/3] nvmet-rdma automatic port re-activation
Date: Thu, 19 Apr 2018 22:48:34 -0400	[thread overview]
Message-ID: <1524192514.11756.26.camel@redhat.com> (raw)
In-Reply-To: <0f781a93-2cbf-8d60-2028-4581912bf07a@grimberg.me>

On Sun, 2018-04-15@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>
    GPG KeyID: B826A3330E572FDD
    Key fingerprint = AE6B 1BDA 122B 23B4 265B  1274 B826 A333 0E57 2FDD
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      parent reply	other threads:[~2018-04-20  2:48 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-04-12  8:06 [PATCH v1 0/3] nvmet-rdma automatic port re-activation Sagi Grimberg
2018-04-12  8:06 ` [PATCH v1 1/3] nvmet-rdma: automatic listening " Sagi Grimberg
2018-04-12 13:08   ` Israel Rukshin
2018-04-12  8:06 ` [PATCH v1 2/3] nvmet: Add fabrics ops to port Sagi Grimberg
2018-04-12  8:06 ` [PATCH v1 3/3] nvmet: Add port transport state flag Sagi Grimberg
2018-04-13 17:14   ` Christoph Hellwig
2018-04-15  8:54     ` Sagi Grimberg
2018-04-17 15:28       ` Christoph Hellwig
2018-05-16 12:40         ` Max Gurtovoy
2018-04-12  8:06 ` [PATCH 4/3 v1 nvmetcli] nvmetcli: expose nvmet port status and state Sagi Grimberg
2018-04-12 11:25   ` Nitzan Carmi
2018-04-12 12:34     ` Sagi Grimberg
2018-04-13 17:00 ` [PATCH v1 0/3] nvmet-rdma automatic port re-activation Christoph Hellwig
2018-04-15  8:53   ` Sagi Grimberg
2018-04-17 15:43     ` Christoph Hellwig
2018-04-20  2:48     ` Doug Ledford [this message]

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