From: Alasdair G Kergon <agk@redhat.com>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Theodore Ts'o <tytso@mit.edu>, Mike Snitzer <snitzer@redhat.com>,
Jens Axboe <axboe@kernel.dk>, Sagi Grimberg <sagi@grimberg.me>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
linux-block <linux-block@vger.kernel.org>,
dm-devel@redhat.com, Ilya Dryomov <idryomov@gmail.com>,
wgh@torlan.ru, Zdenek Kabelac <zkabelac@redhat.com>
Subject: Re: [dm-devel] LVM snapshot broke between 4.14 and 4.16
Date: Fri, 3 Aug 2018 22:26:38 +0100 [thread overview]
Message-ID: <20180803212638.GC31444@agk-dp.fab.redhat.com> (raw)
In-Reply-To: <CA+55aFyFXxN3Qkt+=Ke5Mqctbc3+iX5_HzeH0gHFZK8tDpa=Uw@mail.gmail.com>
On Fri, Aug 03, 2018 at 01:42:52PM -0700, Linus Torvalds wrote:
> So even in case 2, we do try to avoid versioning. More often we add a
> new flag, and say "hey, if you want the new behavior, use the new flag
> to say so". Not versioning, but explicit "I want the new behavior"
There are spare flags available in dm-ioctl - one could indeed turn on
the new more-restrictive behaviour.
Alasdair
next prev parent reply other threads:[~2018-08-03 21:26 UTC|newest]
Thread overview: 46+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-08-02 12:26 LVM snapshot broke between 4.14 and 4.16 WGH
2018-08-02 13:31 ` Ilya Dryomov
2018-08-02 13:31 ` Ilya Dryomov
2018-08-02 15:10 ` WGH
2018-08-02 16:41 ` Linus Torvalds
2018-08-02 18:18 ` Ilya Dryomov
2018-08-02 18:32 ` Linus Torvalds
2018-08-02 21:32 ` WGH
2018-08-02 21:39 ` WGH
2018-08-02 21:52 ` Linus Torvalds
2018-08-03 13:31 ` Mike Snitzer
2018-08-03 15:20 ` [dm-devel] " Theodore Y. Ts'o
2018-08-03 18:39 ` Mike Snitzer
2018-08-03 18:57 ` Linus Torvalds
2018-08-03 19:06 ` Mike Snitzer
2018-08-03 19:11 ` Linus Torvalds
2018-08-03 19:33 ` Mike Snitzer
2018-08-03 19:22 ` Linus Torvalds
2018-08-04 10:01 ` WGH
2018-08-04 17:04 ` Linus Torvalds
2018-08-04 17:04 ` Linus Torvalds
2018-08-04 18:19 ` Mike Snitzer
2018-08-04 20:29 ` WGH
2018-08-03 19:56 ` [dm-devel] " Alasdair G Kergon
2018-08-03 20:08 ` Alasdair G Kergon
2018-08-03 20:42 ` Linus Torvalds
2018-08-03 21:26 ` Alasdair G Kergon [this message]
2018-08-03 13:31 ` Zdenek Kabelac
2018-08-03 16:37 ` Linus Torvalds
2018-08-03 18:54 ` Mike Snitzer
2018-08-03 18:54 ` Mike Snitzer
2018-08-03 19:09 ` Linus Torvalds
2018-08-03 19:30 ` Mike Snitzer
2018-08-03 19:36 ` Linus Torvalds
2018-08-04 5:20 ` [dm-devel] " Theodore Y. Ts'o
2018-08-04 8:36 ` Zdenek Kabelac
2018-08-04 16:22 ` Theodore Y. Ts'o
2018-08-04 18:18 ` Mike Snitzer
2018-08-04 18:18 ` Mike Snitzer
2018-08-04 19:37 ` Theodore Y. Ts'o
2018-08-04 19:37 ` Theodore Y. Ts'o
2018-08-04 21:48 ` Mike Snitzer
2018-08-04 15:19 ` Mike Snitzer
2018-08-03 19:18 ` [dm-devel] " Zdenek Kabelac
2018-08-03 19:18 ` Zdenek Kabelac
2018-08-03 19:30 ` [dm-devel] " Linus Torvalds
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