From: Eric Blake <eblake@redhat.com>
To: Max Reitz <mreitz@redhat.com>, qemu-devel@nongnu.org
Cc: "reviewer:Incompatible changes" <libvir-list@redhat.com>,
qemu-block@nongnu.org
Subject: Re: [PATCH] qemu-nbd: Removed deprecated --partition option
Date: Thu, 23 Jan 2020 06:30:05 -0600 [thread overview]
Message-ID: <7084da4a-fa6a-e4ab-868d-2ad397dd5cb3@redhat.com> (raw)
In-Reply-To: <bcf38c8e-c207-73bd-8707-44b500ef3fa2@redhat.com>
On 1/23/20 6:10 AM, Max Reitz wrote:
> On 22.01.20 22:43, Eric Blake wrote:
>> The option was deprecated in 4.0.0 (commit 0ae2d546); it's now been
>> long enough with no complaints to follow through with that process.
>>
>> Signed-off-by: Eric Blake <eblake@redhat.com>
>> ---
>> -@code{qemu-nbd -t -P 1 -f qcow2 file.qcow2}
>> -
>> -can be rewritten as:
>> -
>> -@code{qemu-nbd -t --image-opts driver=raw,offset=1M,size=100M,file.driver=qcow2,file.backing.driver=file,file.backing.filename=file.qcow2}
>> -
>> +can be rewritten as:
>> +
>> +@code{qemu-nbd -t --image-opts driver=raw,offset=1M,size=100M,file.driver=qcow2,file.backing.driver=file,file.backing.filename=file.qcow2}
>
> I know you just moved it from above, but isn’t this wrong? Shouldn’t it
> be s/backing/file/g?
Indeed; file.file.driver=file,file.file.filename=file.qcow2 is required
for it to work, rather than fail with
qemu-nbd: Failed to blk_new_open
'driver=raw,offset=1m,size=100m,file.driver=qcow2,file.backing.driver=file,file.backing.filename=file4':
A block device must be specified for "file"
I'll repost with the bug-fix as a separate commit (and it's a shame that
we've gone nearly a year with no one noticing the typo in the original).
--
Eric Blake, Principal Software Engineer
Red Hat, Inc. +1-919-301-3226
Virtualization: qemu.org | libvirt.org
next prev parent reply other threads:[~2020-01-23 14:41 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-01-22 21:43 [PATCH] qemu-nbd: Removed deprecated --partition option Eric Blake
2020-01-22 22:00 ` no-reply
2020-01-23 12:10 ` Max Reitz
2020-01-23 12:30 ` Eric Blake [this message]
2020-01-23 12:44 ` Max Reitz
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