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Date: Thu, 24 Mar 2016 10:04:52 -0600
From: Ross Zwisler <ross.zwisler@linux.intel.com>
Subject: Re: [ndctl PATCH 1/2] ndctl: provide a method to invalidate the bus
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To: Dan Williams <dan.j.williams@intel.com>
Cc: linux-nvdimm@lists.01.org
List-ID: <linux-nvdimm@lists.01.org>

On Wed, Mar 23, 2016 at 06:16:53PM -0700, Dan Williams wrote:
> Consider the following scenario:
> 
>     ndctl_new()
>     ndctl_bus_foreach()
>     <install a new nvdimm-bus provider>
>     ndctl_bus_foreach()
> 
> ...the second ndctl_bus_foreach() will not see any new buses because the
> bus results are cached.  When the holder of the context knows that it
> has invalidated the bus list it needs to call ndctl_invalidate() so that
> subsequent ndctl_bus_foreach() scans are guaranteed to see new buses.
> 
> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
> ---
>  lib/libndctl.c          |   22 ++++++++++++++++++----
>  lib/libndctl.sym        |    1 +
>  lib/ndctl/libndctl.h.in |    1 +

I can't get this patch to apply because I don't have lib/ndctl/libndctl.h.in
in my source tree.

I'm using your upstream repo:

https://github.com/pmem/ndctl.git

and AFAICT this file doesn't exist in any upstream branches.
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