linux-nvme.lists.infradead.org archive mirror
 help / color / mirror / Atom feed
From: hch@infradead.org (Christoph Hellwig)
Subject: NVMe over fabrics - Caching controller Identity data
Date: Wed, 19 Apr 2017 22:47:09 -0700	[thread overview]
Message-ID: <20170420054709.GB18181@infradead.org> (raw)
In-Reply-To: <603f53f6-1211-3b5f-31c8-dfa1e8700c26@oracle.com>

On Fri, Apr 14, 2017@10:49:10AM -0700, Steve Blightman wrote:
> As I understand it, the linux initiator caches the controller Identity data
> and some other values.  These only get loaded when it first connects, or
> when the controller is reset.  Now If a target wishes to change any of these
> values, capsule size for instance, it might set the new values and restart
> itself, but when the initiator reconnects to an existing controller, it
> still has the old values. Is there a way for the target to force the
> initiator to reload these values somehow?

Identify controller is supposed to be static data for a controller.

If your controller has changed you need to reject the reconnect and
present a new controller.

  reply	other threads:[~2017-04-20  5:47 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-04-14 17:49 NVMe over fabrics - Caching controller Identity data Steve Blightman
2017-04-20  5:47 ` Christoph Hellwig [this message]
2017-04-20 11:46   ` Sagi Grimberg

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=20170420054709.GB18181@infradead.org \
    --to=hch@infradead.org \
    /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).