From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jeff Moyer Subject: Re: Snapshot target and DAX-capable devices Date: Thu, 30 Aug 2018 15:32:13 -0400 Message-ID: References: <20180827160744.GE4002@quack2.suse.cz> <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: 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: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: linux-nvdimm-bounces-hn68Rpc1hR1g9hUCZPvPmw@public.gmane.org Sender: "Linux-nvdimm" To: Mike Snitzer Cc: Jan Kara , "linux-nvdimm-hn68Rpc1hR1g9hUCZPvPmw@public.gmane.org" , "dm-devel-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org" , Mikulas Patocka , "linux-fsdevel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" List-Id: dm-devel.ids Mike Snitzer 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 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mx1.redhat.com (mx3-rdu2.redhat.com [66.187.233.73]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ml01.01.org (Postfix) with ESMTPS id 9A8F32110782E for ; Thu, 30 Aug 2018 12:32:18 -0700 (PDT) From: Jeff Moyer Subject: Re: Snapshot target and DAX-capable devices References: <20180827160744.GE4002@quack2.suse.cz> <20180828075025.GA17756@quack2.suse.cz> <20180828175630.GA1197@redhat.com> <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") Message-ID: MIME-Version: 1.0 List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: linux-nvdimm-bounces@lists.01.org Sender: "Linux-nvdimm" To: Mike Snitzer Cc: Jan Kara , "linux-nvdimm@lists.01.org" , "dm-devel@redhat.com" , Mikulas Patocka , "linux-fsdevel@vger.kernel.org" List-ID: Mike Snitzer 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 _______________________________________________ Linux-nvdimm mailing list Linux-nvdimm@lists.01.org https://lists.01.org/mailman/listinfo/linux-nvdimm From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mx3-rdu2.redhat.com ([66.187.233.73]:41724 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1727067AbeH3XgB (ORCPT ); Thu, 30 Aug 2018 19:36:01 -0400 From: Jeff Moyer To: Mike Snitzer Cc: Jan Kara , Mikulas Patocka , "Kani\, Toshi" , "linux-nvdimm\@lists.01.org" , "dm-devel\@redhat.com" , "linux-fsdevel\@vger.kernel.org" , "ross.zwisler\@linux.intel.com" , "dan.j.williams\@intel.com" Subject: Re: Snapshot target and DAX-capable devices References: <20180827160744.GE4002@quack2.suse.cz> <20180828075025.GA17756@quack2.suse.cz> <20180828175630.GA1197@redhat.com> <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") Message-ID: MIME-Version: 1.0 Content-Type: text/plain Sender: linux-fsdevel-owner@vger.kernel.org List-ID: Mike Snitzer 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