From: Juergen Gross <jgross@suse.com>
To: Valentin Vidic <Valentin.Vidic@CARNet.hr>
Cc: "Roger Pau Monné" <roger.pau@citrix.com>,
"Konrad Rzeszutek Wilk" <konrad.wilk@oracle.com>,
"Jens Axboe" <axboe@kernel.dk>,
xen-devel@lists.xenproject.org, linux-block@vger.kernel.org,
linux-kernel@vger.kernel.org, stable@vger.kernel.org
Subject: Re: [PATCH] xen-blkback: Switch to closed state after releasing the backing device
Date: Wed, 29 Aug 2018 11:29:30 +0200 [thread overview]
Message-ID: <7afb803f-a2d2-73c8-f2d3-8b866dc89e87@suse.com> (raw)
In-Reply-To: <20180829092329.GY26705@gavran.carpriv.carnet.hr>
On 29/08/18 11:23, Valentin Vidic wrote:
> On Wed, Aug 29, 2018 at 10:43:48AM +0200, Juergen Gross wrote:
>> I think this should be an action triggered by the frontend, not by dom0
>> (xen tools will always set "online" to 0 when removing a device, AFAIK).
>>
>> I'm not sure this is relevant, but I realized this behavior is changed
>> by your patch.
>
> Can't find any place in xen-blkfront.c (or the rest of the kernel) where
> the "online" value gets set, so it seems xen tools in dom0 is the only
> thing that modifies this Xenbus node?
>
I think so, yes.
It will be set to "1" at device creation and to "0" when removing the
device, both times by Xen tools.
Juergen
next prev parent reply other threads:[~2018-08-29 9:29 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-08-29 6:52 [PATCH] xen-blkback: Switch to closed state after releasing the backing device Valentin Vidic
2018-08-29 8:16 ` Juergen Gross
2018-08-29 8:27 ` Valentin Vidic
2018-08-29 8:43 ` Juergen Gross
2018-08-29 9:23 ` Valentin Vidic
2018-08-29 9:29 ` Juergen Gross [this message]
2018-09-05 10:36 ` Roger Pau Monné
2018-09-05 16:27 ` Valentin Vidic
2018-09-06 16:14 ` Roger Pau Monné
2018-09-06 22:03 ` Valentin Vidic
2018-09-07 12:03 ` [DRBD-user] " Lars Ellenberg
2018-09-07 12:13 ` Valentin Vidic
2018-09-07 13:28 ` Lars Ellenberg
2018-09-07 16:45 ` Valentin Vidic
2018-09-07 17:14 ` Valentin Vidic
2018-09-08 7:34 ` Valentin Vidic
2018-09-10 12:45 ` Lars Ellenberg
2018-09-10 13:22 ` Valentin Vidic
2018-09-10 15:00 ` Roger Pau Monné
2018-09-10 16:18 ` Valentin Vidic
2018-09-13 15:08 ` Roger Pau Monné
2018-09-14 11:49 ` Valentin Vidic
2018-09-14 16:18 ` Roger Pau Monné
[not found] ` <20180905113515.GU26705@gavran.carpriv.carnet.hr>
2018-09-05 16:28 ` Valentin Vidic
2018-09-06 16:29 ` Roger Pau Monné
2018-09-06 22:19 ` Valentin Vidic
2018-09-07 7:15 ` Roger Pau Monné
2018-09-07 7:23 ` Valentin Vidic
2018-09-07 7:54 ` Roger Pau Monné
2018-09-07 10:20 ` Valentin Vidic
2018-09-07 10:43 ` Roger Pau Monné
2018-09-07 11:15 ` Valentin Vidic
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