From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jeff Moyer <jmoyer-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
Subject: Re: Snapshot target and DAX-capable devices
Date: Thu, 30 Aug 2018 15:32:13 -0400
Message-ID: <x494lfbabwi.fsf@segfault.boston.devel.redhat.com>
References: <20180827160744.GE4002@quack2.suse.cz>
 <e38303902267d2d8bae8b0c88da84a4ed668e9fb.camel@hpe.com>
 <20180828075025.GA17756@quack2.suse.cz>
 <20180828175630.GA1197@redhat.com>
 <20180830093028.GC1767@quack2.suse.cz>
 <20180830184907.GA14867@redhat.com>
Mime-Version: 1.0
Content-Type: text/plain; charset="us-ascii"
Content-Transfer-Encoding: 7bit
Return-path: <linux-nvdimm-bounces-hn68Rpc1hR1g9hUCZPvPmw@public.gmane.org>
In-Reply-To: <20180830184907.GA14867-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org> (Mike Snitzer's message of
 "Thu, 30 Aug 2018 14:49:07 -0400")
List-Unsubscribe: <https://lists.01.org/mailman/options/linux-nvdimm>,
 <mailto:linux-nvdimm-request-hn68Rpc1hR1g9hUCZPvPmw@public.gmane.org?subject=unsubscribe>
List-Archive: <http://lists.01.org/pipermail/linux-nvdimm/>
List-Post: <mailto:linux-nvdimm-hn68Rpc1hR1g9hUCZPvPmw@public.gmane.org>
List-Help: <mailto:linux-nvdimm-request-hn68Rpc1hR1g9hUCZPvPmw@public.gmane.org?subject=help>
List-Subscribe: <https://lists.01.org/mailman/listinfo/linux-nvdimm>,
 <mailto:linux-nvdimm-request-hn68Rpc1hR1g9hUCZPvPmw@public.gmane.org?subject=subscribe>
Errors-To: linux-nvdimm-bounces-hn68Rpc1hR1g9hUCZPvPmw@public.gmane.org
Sender: "Linux-nvdimm" <linux-nvdimm-bounces-hn68Rpc1hR1g9hUCZPvPmw@public.gmane.org>
To: Mike Snitzer <snitzer-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
Cc: Jan Kara <jack-AlSwsSmVLrQ@public.gmane.org>, "linux-nvdimm-hn68Rpc1hR1g9hUCZPvPmw@public.gmane.org" <linux-nvdimm-hn68Rpc1hR1g9hUCZPvPmw@public.gmane.org>, "dm-devel-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org" <dm-devel-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>, Mikulas Patocka <mpatocka-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>, "linux-fsdevel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" <linux-fsdevel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>
List-Id: dm-devel.ids

Mike Snitzer <snitzer-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org> writes:

> Until we properly add DAX support to dm-snapshot I'm afraid we really do
> need to tolerate this "regression".  Since reality is the original
> support for snapshot of a DAX DM device never worked in a robust way.

Agreed.

-Jeff