linux-rdma.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Jason Gunthorpe <jgg@nvidia.com>
To: Sagi Grimberg <sagi@grimberg.me>
Cc: Chesnokov Gleb <Chesnokov.G@raidix.com>,
	"lanevdenoche@gmail.com" <lanevdenoche@gmail.com>,
	"linux-rdma@vger.kernel.org" <linux-rdma@vger.kernel.org>,
	"dledford@redhat.com" <dledford@redhat.com>
Subject: Re: [PATCH 1/1] iser-target: Fix handling of RDMA_CV_EVENT_ADDR_CHANGE
Date: Thu, 22 Jul 2021 11:23:46 -0300	[thread overview]
Message-ID: <20210722142346.GL1117491@nvidia.com> (raw)
In-Reply-To: <0e6e8da9-5d14-92ef-39d9-99d7a0792f62@grimberg.me>

On Mon, Jul 19, 2021 at 11:29:40AM -0700, Sagi Grimberg wrote:
> 
> > > What is this trying to do anyhow? If the addr has truely changed why
> > > does the bind fail?
> > 
> > When the active physical link member of bonding interface in active-standby
> > mode gets faulty, the standby link will represent the assigned addresses on
> > behalf of the active link.
> > Therefore, RDMA communication manager will notify iSER target with
> > RDMA_CM_EVENT_ADDR_CHANGE.
> 
> Ah, here is my recollection...
> 
> However I think that if we move that into a work, we should do it
> periodically until we succeed or until the endpoint is torn down so
> we can handle address removed and restore use-cases.

That soudns better, but still I would say this shouldn't even happen
in the first place, check the address and don't initiate rebinding if
it hasn't changed.

Jason

  parent reply	other threads:[~2021-07-22 14:23 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-07-14 18:26 [PATCH 1/1] iser-target: Fix handling of RDMA_CV_EVENT_ADDR_CHANGE lanevdenoche
2021-07-18  8:50 ` Leon Romanovsky
     [not found]   ` <9e97e113abb64952a22430462310ca83@raidix.com>
2021-07-19  6:40     ` Leon Romanovsky
2021-07-19 12:13 ` Jason Gunthorpe
2021-07-19 16:07   ` Chesnokov Gleb
2021-07-19 17:09     ` Jason Gunthorpe
2021-07-19 18:27       ` Sagi Grimberg
2021-07-19 18:29     ` Sagi Grimberg
2021-07-19 20:47       ` Chesnokov Gleb
2021-07-22 14:23       ` Jason Gunthorpe [this message]
2021-07-22 19:54         ` Sagi Grimberg
2021-07-27 17:37           ` Jason Gunthorpe
2021-08-06 20:14             ` Sagi Grimberg
2021-08-17  8:30               ` Chesnokov Gleb
2021-08-17 21:27                 ` Sagi Grimberg
2021-09-01 11:43                   ` Chesnokov Gleb
2021-09-01 11:56                     ` Jason Gunthorpe

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20210722142346.GL1117491@nvidia.com \
    --to=jgg@nvidia.com \
    --cc=Chesnokov.G@raidix.com \
    --cc=dledford@redhat.com \
    --cc=lanevdenoche@gmail.com \
    --cc=linux-rdma@vger.kernel.org \
    --cc=sagi@grimberg.me \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).