From: Eric Blake <eblake@redhat.com>
To: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>,
qemu-devel@nongnu.org
Cc: kwolf@redhat.com, qemu-block@nongnu.org, rjones@redhat.com,
stefanha@redhat.com, Max Reitz <mreitz@redhat.com>
Subject: Re: [PATCH v4 7/7] nbd: Allow export of multiple bitmaps for one device
Date: Thu, 15 Oct 2020 07:59:19 -0500 [thread overview]
Message-ID: <9018e756-6388-4738-3265-0284dd2e041b@redhat.com> (raw)
In-Reply-To: <ce14bdf9-0d40-58bc-c530-a529edf3740e@virtuozzo.com>
On 10/14/20 9:42 AM, Vladimir Sementsov-Ogievskiy wrote:
> 10.10.2020 00:55, Eric Blake wrote:
>> With this, 'qemu-nbd -B b0 -B b1 -f qcow2 img.qcow2' can let you sniff
>> out multiple bitmaps from one server. qemu-img as client can still
>> only read one bitmap per client connection, but other NBD clients
>> (hello libnbd) can now read multiple bitmaps in a single pass.
>>
>> Signed-off-by: Eric Blake <eblake@redhat.com>
>
>
> You didn't update nbd_export_create failure patch, I suggest:
Good catch. I'm happy to fold in both of your suggestions.
--
Eric Blake, Principal Software Engineer
Red Hat, Inc. +1-919-301-3226
Virtualization: qemu.org | libvirt.org
next prev parent reply other threads:[~2020-10-15 13:02 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-10-09 21:55 [PATCH v4 0/7] Exposing backing-chain allocation over NBD Eric Blake
2020-10-09 21:55 ` [PATCH v4 1/7] nbd: Utilize QAPI_CLONE for type conversion Eric Blake
2020-10-14 11:15 ` Vladimir Sementsov-Ogievskiy
2020-10-23 16:15 ` Eric Blake
2020-10-09 21:55 ` [PATCH v4 2/7] nbd: Add new qemu:allocation-depth metadata context Eric Blake
2020-10-14 11:52 ` Vladimir Sementsov-Ogievskiy
2020-10-22 21:45 ` Eric Blake
2020-10-09 21:55 ` [PATCH v4 3/7] nbd: Add 'qemu-nbd -A' to expose allocation depth Eric Blake
2020-10-09 21:55 ` [PATCH v4 4/7] nbd: Update qapi to support exporting multiple bitmaps Eric Blake
2020-10-14 12:15 ` Vladimir Sementsov-Ogievskiy
2020-10-19 21:45 ` Eric Blake
2020-10-20 8:51 ` Markus Armbruster
2020-10-20 18:26 ` Eric Blake
2020-10-21 4:19 ` Markus Armbruster
2020-10-09 21:55 ` [PATCH v4 5/7] nbd: Simplify qemu bitmap context name Eric Blake
2020-10-14 12:21 ` Vladimir Sementsov-Ogievskiy
2020-10-09 21:55 ` [PATCH v4 6/7] nbd: Refactor counting of metadata contexts Eric Blake
2020-10-14 12:27 ` Vladimir Sementsov-Ogievskiy
2020-10-09 21:55 ` [PATCH v4 7/7] nbd: Allow export of multiple bitmaps for one device Eric Blake
2020-10-14 14:42 ` Vladimir Sementsov-Ogievskiy
2020-10-15 12:59 ` Eric Blake [this message]
[not found] ` <20201016152318.80889-1-eblake@redhat.com>
2020-10-27 15:33 ` [Libguestfs] [libnbd PATCH] info: Add support for new 'qemu-nbd -A' qemu:allocation-depth Eric Blake
2020-10-27 19:40 ` Richard W.M. Jones
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