From: Jeff Moyer <jmoyer@redhat.com>
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>
Subject: Re: Snapshot target and DAX-capable devices
Date: Thu, 30 Aug 2018 15:32:13 -0400 [thread overview]
Message-ID: <x494lfbabwi.fsf@segfault.boston.devel.redhat.com> (raw)
In-Reply-To: <20180830184907.GA14867@redhat.com> (Mike Snitzer's message of "Thu, 30 Aug 2018 14:49:07 -0400")
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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Linux-nvdimm@lists.01.org
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WARNING: multiple messages have this Message-ID (diff)
From: Jeff Moyer <jmoyer@redhat.com>
To: Mike Snitzer <snitzer@redhat.com>
Cc: Jan Kara <jack@suse.cz>, Mikulas Patocka <mpatocka@redhat.com>,
"Kani\, Toshi" <toshi.kani@hpe.com>,
"linux-nvdimm\@lists.01.org" <linux-nvdimm@lists.01.org>,
"dm-devel\@redhat.com" <dm-devel@redhat.com>,
"linux-fsdevel\@vger.kernel.org" <linux-fsdevel@vger.kernel.org>,
"ross.zwisler\@linux.intel.com" <ross.zwisler@linux.intel.com>,
"dan.j.williams\@intel.com" <dan.j.williams@intel.com>
Subject: Re: Snapshot target and DAX-capable devices
Date: Thu, 30 Aug 2018 15:32:13 -0400 [thread overview]
Message-ID: <x494lfbabwi.fsf@segfault.boston.devel.redhat.com> (raw)
In-Reply-To: <20180830184907.GA14867@redhat.com> (Mike Snitzer's message of "Thu, 30 Aug 2018 14:49:07 -0400")
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
WARNING: multiple messages have this Message-ID (diff)
From: Jeff Moyer <jmoyer-H+wXaHxf7aLQT0dZR+AlfA@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>
Subject: Re: Snapshot target and DAX-capable devices
Date: Thu, 30 Aug 2018 15:32:13 -0400 [thread overview]
Message-ID: <x494lfbabwi.fsf@segfault.boston.devel.redhat.com> (raw)
In-Reply-To: <20180830184907.GA14867-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org> (Mike Snitzer's message of "Thu, 30 Aug 2018 14:49:07 -0400")
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
next prev parent reply other threads:[~2018-08-30 19:32 UTC|newest]
Thread overview: 83+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-08-27 16:07 Snapshot target and DAX-capable devices Jan Kara
2018-08-27 16:07 ` Jan Kara
2018-08-27 16:07 ` Jan Kara
2018-08-27 16:43 ` Kani, Toshi
2018-08-27 16:43 ` Kani, Toshi
2018-08-27 16:43 ` Kani, Toshi
2018-08-28 7:50 ` Jan Kara
2018-08-28 7:50 ` Jan Kara
2018-08-28 7:50 ` Jan Kara
2018-08-28 17:56 ` Mike Snitzer
2018-08-28 17:56 ` Mike Snitzer
2018-08-28 17:56 ` Mike Snitzer
2018-08-28 22:38 ` Kani, Toshi
2018-08-28 22:38 ` Kani, Toshi
2018-08-28 22:38 ` Kani, Toshi
2018-08-30 9:30 ` Jan Kara
2018-08-30 9:30 ` Jan Kara
2018-08-30 9:30 ` Jan Kara
2018-08-30 18:49 ` Mike Snitzer
2018-08-30 18:49 ` Mike Snitzer
2018-08-30 18:49 ` Mike Snitzer
2018-08-30 19:32 ` Jeff Moyer [this message]
2018-08-30 19:32 ` Jeff Moyer
2018-08-30 19:32 ` Jeff Moyer
2018-08-30 19:47 ` Mikulas Patocka
2018-08-30 19:47 ` Mikulas Patocka
2018-08-30 19:47 ` Mikulas Patocka
2018-08-30 19:53 ` Jeff Moyer
2018-08-30 19:53 ` Jeff Moyer
2018-08-30 19:53 ` Jeff Moyer
2018-08-30 23:38 ` Dave Chinner
2018-08-30 23:38 ` Dave Chinner
2018-08-30 23:38 ` Dave Chinner
2018-08-31 9:42 ` Jan Kara
2018-08-31 9:42 ` Jan Kara
2018-08-31 9:42 ` Jan Kara
2018-09-05 1:25 ` Dave Chinner
2018-09-05 1:25 ` Dave Chinner
2018-09-05 1:25 ` Dave Chinner
2018-12-12 16:11 ` Huaisheng Ye
2018-12-12 16:11 ` Huaisheng Ye
2018-12-12 16:11 ` Huaisheng Ye
2018-12-12 16:12 ` Christoph Hellwig
2018-12-12 16:12 ` Christoph Hellwig
2018-12-12 16:12 ` Christoph Hellwig
2018-12-12 17:50 ` Mike Snitzer
2018-12-12 17:50 ` Mike Snitzer
2018-12-12 17:50 ` Mike Snitzer
2018-12-12 19:49 ` Kani, Toshi
2018-12-12 19:49 ` Kani, Toshi
2018-12-12 19:49 ` Kani, Toshi
2018-12-12 21:15 ` Theodore Y. Ts'o
2018-12-12 21:15 ` Theodore Y. Ts'o
2018-12-12 22:43 ` Mike Snitzer
2018-12-12 22:43 ` Mike Snitzer
2018-12-12 22:43 ` Mike Snitzer
2018-12-14 4:11 ` [dm-devel] " Theodore Y. Ts'o
2018-12-14 4:11 ` Theodore Y. Ts'o
2018-12-14 4:11 ` Theodore Y. Ts'o
2018-12-14 8:24 ` [External] " Huaisheng HS1 Ye
2018-12-14 8:24 ` Huaisheng HS1 Ye
2018-12-14 8:24 ` Huaisheng HS1 Ye
2018-12-18 19:49 ` Mike Snitzer
2018-12-18 19:49 ` Mike Snitzer
2018-12-18 19:49 ` Mike Snitzer
2018-08-30 19:44 ` Mikulas Patocka
2018-08-30 19:44 ` Mikulas Patocka
2018-08-30 19:44 ` Mikulas Patocka
2018-08-31 10:01 ` Jan Kara
2018-08-31 10:01 ` Jan Kara
2018-08-31 10:01 ` Jan Kara
2018-08-30 22:55 ` Dave Chinner
2018-08-30 22:55 ` Dave Chinner
2018-08-30 22:55 ` Dave Chinner
2018-08-31 9:54 ` Jan Kara
2018-08-31 9:54 ` Jan Kara
2018-08-31 9:54 ` Jan Kara
2018-08-30 19:17 ` [dm-devel] " Jeff Moyer
2018-08-30 19:17 ` Jeff Moyer
2018-08-30 19:17 ` Jeff Moyer
2018-08-31 9:14 ` Jan Kara
2018-08-31 9:14 ` Jan Kara
2018-08-31 9:14 ` Jan Kara
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