From: Milan Broz <mbroz@redhat.com>
To: Kiyoshi Ueda <k-ueda@ct.jp.nec.com>,
dm-devel@redhat.com, Mike Snitzer <snitzer@redhat.com>,
Mikulas Patocka <mpatocka@redhat.com>,
Jonathan Brassow <jbrassow@redhat.com>,
Jun'ichi N
Subject: Re: dm: bind new table before destroying old
Date: Wed, 11 Nov 2009 16:14:59 +0100 [thread overview]
Message-ID: <4AFAD4F3.8070505@redhat.com> (raw)
In-Reply-To: <20091111151110.GO17055@agk-dp.fab.redhat.com>
On 11/11/2009 04:11 PM, Alasdair G Kergon wrote:
> On Wed, Nov 11, 2009 at 03:56:05PM +0900, Kiyoshi Ueda wrote:
>> I believe dm-mpath needs to flush such workqueues in postsuspend.
>
> Yes - should be an easy change.
similar problem is probably in crypt target, I'll check it later.
>> Also, we need something to block message ioctl to suspended device.
>
>> As for the message ioctl, I don't have any good idea, but...
>> - Reject message ioctl to suspended device in dm-ioctl
>
> I think the crypt target expects to be able to do this to manipulate
> the in-core encryption key.
yes, crypt target must be able to process messages when in suspended state.
Milan
next prev parent reply other threads:[~2009-11-11 15:14 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-11-11 1:16 dm: bind new table before destroying old Alasdair G Kergon
2009-11-11 1:20 ` Alasdair G Kergon
2009-11-11 2:48 ` dm: keep old table until after resume succeeded Alasdair G Kergon
2009-11-11 6:56 ` dm: bind new table before destroying old Kiyoshi Ueda
2009-11-11 15:11 ` Alasdair G Kergon
2009-11-11 15:14 ` Milan Broz [this message]
2009-11-12 7:00 ` Mike Anderson
2009-11-12 9:59 ` Kiyoshi Ueda
2009-11-11 13:20 ` Mike Snitzer
2009-11-11 23:45 ` Mike Snitzer
2009-11-19 0:50 ` Alasdair G Kergon
2009-11-19 2:51 ` malahal
2009-11-19 12:49 ` Mikulas Patocka
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