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From: Jeff Moyer <jmoyer@redhat.com>
Subject: Re: Snapshot target and DAX-capable devices
References: <20180827160744.GE4002@quack2.suse.cz>
 <e38303902267d2d8bae8b0c88da84a4ed668e9fb.camel@hpe.com>
 <20180828075025.GA17756@quack2.suse.cz>
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 <20180830093028.GC1767@quack2.suse.cz>
 <20180830184907.GA14867@redhat.com>
Date: Thu, 30 Aug 2018 15:32:13 -0400
In-Reply-To: <20180830184907.GA14867@redhat.com> (Mike Snitzer's message of
 "Thu, 30 Aug 2018 14:49:07 -0400")
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To: Mike Snitzer <snitzer@redhat.com>
Cc: Jan Kara <jack@suse.cz>, "linux-nvdimm@lists.01.org" <linux-nvdimm@lists.01.org>, "dm-devel@redhat.com" <dm-devel@redhat.com>, Mikulas Patocka <mpatocka@redhat.com>, "linux-fsdevel@vger.kernel.org" <linux-fsdevel@vger.kernel.org>
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Mike Snitzer <snitzer@redhat.com> 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
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