From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from bombadil.infradead.org ([198.137.202.133]:34740 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726358AbeLLQM6 (ORCPT ); Wed, 12 Dec 2018 11:12:58 -0500 Date: Wed, 12 Dec 2018 08:12:54 -0800 From: Christoph Hellwig To: Huaisheng Ye Cc: Jan Kara , Dave Chinner , Mike Snitzer , "linux-nvdimm@lists.01.org" , "dm-devel@redhat.com" , Mikulas Patocka , "linux-fsdevel@vger.kernel.org" , chengnt , yehs1 , colyli Subject: Re: Snapshot target and DAX-capable devices Message-ID: <20181212161254.GA20790@infradead.org> References: <20180828075025.GA17756@quack2.suse.cz> <20180828175630.GA1197@redhat.com> <20180830093028.GC1767@quack2.suse.cz> <20180830184907.GA14867@redhat.com> <20180830233809.GH1572@dastard> <20180831094255.GB11622@quack2.suse.cz> <167a3303a01.11a848ab768799.5161498967766415143@zoho.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <167a3303a01.11a848ab768799.5161498967766415143@zoho.com> Sender: linux-fsdevel-owner@vger.kernel.org List-ID: Does it really make sense to enhance dm-snapshot? I thought all serious users of snapshots had moved on to dm-thinp?