From: "Denis V. Lunev" <den@openvz.org>
To: Alex Bligh <alex@alex.org.uk>
Cc: "nbd-general@lists.sourceforge.net"
<nbd-general@lists.sourceforge.net>,
Kevin Wolf <kwolf@redhat.com>,
"qemu-devel@nongnu.org" <qemu-devel@nongnu.org>,
Pavel Borzenkov <pborzenkov@virtuozzo.com>,
"Stefan stefanha@redhat. com" <stefanha@redhat.com>,
Wouter Verhelst <w@uter.be>, Paolo Bonzini <pbonzini@redhat.com>
Subject: Re: [Qemu-devel] [Nbd] [PATCH v2] doc: Add NBD_CMD_BLOCK_STATUS extension
Date: Mon, 4 Apr 2016 23:27:52 +0300 [thread overview]
Message-ID: <5702CE48.40302@openvz.org> (raw)
In-Reply-To: <F379F7E2-1F7A-4858-9DE8-A253234ABFE5@alex.org.uk>
On 04/04/2016 11:15 PM, Alex Bligh wrote:
> On 4 Apr 2016, at 21:13, Denis V. Lunev <den@openvz.org> wrote:
>
>> As far as I remember that text we have had a number in request
>> specifying which bitmap to query and the server should reply with one
>> bitmap at a time.
>>
>> Would this work for you?
> I think that would be much better, yes, though I'd suggest the
> bitmap had an ID other than a number 0..15 so other people
> can use it too.
>
bitmap requires to negotiate granularity which is
not that easy thing.
If we have different granularities for 'dirty' and 'allocated'
bitmaps and we can report this using this proto and
can not do this cleanly with bitmap approach assuming
that we will add 'NBD_STATE_DIRTY_DEALLOCATED' (0x2) state
next prev parent reply other threads:[~2016-04-04 20:28 UTC|newest]
Thread overview: 59+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-04-04 16:39 [Qemu-devel] [PATCH v2] doc: Add NBD_CMD_BLOCK_STATUS extension Eric Blake
2016-04-04 18:06 ` [Qemu-devel] [Nbd] " Alex Bligh
2016-04-04 19:34 ` Eric Blake
2016-04-04 19:54 ` Denis V. Lunev
2016-04-04 20:03 ` Alex Bligh
2016-04-04 20:08 ` Denis V. Lunev
2016-04-04 20:34 ` Eric Blake
2016-04-04 21:06 ` Denis V. Lunev
2016-04-04 21:12 ` Alex Bligh
2016-04-05 14:15 ` Paolo Bonzini
2016-04-05 15:01 ` Alex Bligh
2016-04-05 15:23 ` Paolo Bonzini
2016-04-05 15:27 ` Alex Bligh
2016-04-05 15:31 ` Paolo Bonzini
2016-04-04 23:08 ` Wouter Verhelst
2016-04-04 23:32 ` Eric Blake
2016-04-05 7:16 ` Wouter Verhelst
2016-04-05 21:44 ` Wouter Verhelst
2016-04-05 7:13 ` Alex Bligh
2016-04-04 19:58 ` Alex Bligh
2016-04-04 20:04 ` Denis V. Lunev
2016-04-04 20:08 ` Alex Bligh
2016-04-04 20:13 ` Denis V. Lunev
2016-04-04 20:15 ` Alex Bligh
2016-04-04 20:27 ` Denis V. Lunev [this message]
2016-04-04 20:45 ` Eric Blake
2016-04-04 21:04 ` Denis V. Lunev
2016-04-04 21:12 ` Alex Bligh
2016-04-04 21:17 ` Eric Blake
2016-04-04 21:27 ` Denis V. Lunev
2016-04-04 20:26 ` Eric Blake
2016-04-04 21:07 ` Alex Bligh
2016-04-04 21:25 ` Eric Blake
2016-04-04 22:06 ` Alex Bligh
2016-04-04 20:22 ` Eric Blake
2016-04-05 13:38 ` Paolo Bonzini
2016-04-04 22:40 ` Wouter Verhelst
2016-04-04 23:03 ` Eric Blake
2016-04-05 13:41 ` Paolo Bonzini
2016-04-06 5:57 ` Denis V. Lunev
2016-04-06 14:08 ` Eric Blake
2016-04-05 4:05 ` [Qemu-devel] " Kevin Wolf
2016-04-05 13:43 ` Paolo Bonzini
2016-04-07 10:38 ` Vladimir Sementsov-Ogievskiy
2016-04-07 16:10 ` Eric Blake
2016-04-07 16:21 ` [Qemu-devel] [Nbd] " Alex Bligh
2016-04-08 11:35 ` [Qemu-devel] " Kevin Wolf
2016-04-09 9:08 ` [Qemu-devel] [Nbd] " Wouter Verhelst
2016-04-13 12:38 ` [Qemu-devel] " Pavel Borzenkov
2016-04-13 14:40 ` Eric Blake
2016-04-07 15:35 ` Pavel Borzenkov
2016-04-07 15:43 ` Paolo Bonzini
2016-04-05 8:51 ` Stefan Hajnoczi
2016-04-05 9:24 ` [Qemu-devel] [Nbd] " Markus Pargmann
2016-04-05 13:50 ` Paolo Bonzini
2016-04-11 5:58 ` Markus Pargmann
2016-04-05 14:14 ` Eric Blake
2016-04-05 20:50 ` Wouter Verhelst
2016-04-11 6:07 ` Markus Pargmann
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