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From: Eric Blake <eblake@redhat.com>
To: Fam Zheng <famz@redhat.com>, "Richard W.M. Jones" <rjones@redhat.com>
Cc: kwolf@redhat.com, danielhb@linux.vnet.ibm.com,
	qemu-devel@nongnu.org, stefanha@redhat.com
Subject: Re: [Qemu-devel] [PATCH] curl: Add override_accept_ranges flag to force sending range requests.
Date: Tue, 26 Aug 2014 20:57:30 -0600	[thread overview]
Message-ID: <53FD491A.9060303@redhat.com> (raw)
In-Reply-To: <20140827023845.GA2977@T430.nay.redhat.com>

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On 08/26/2014 08:38 PM, Fam Zheng wrote:
> On Tue, 08/26 21:48, Richard W.M. Jones wrote:
>> Some servers (notably VMware ESX) accept range requests, but don't
>> send back the Accept-Ranges: bytes header in their initial response.
>>
>> For these servers you can set override_accept_ranges to 'on' which
>> forces this block driver to send range requests anyway.

Is this a case where we should be naming with dashes instead of
underscores, as in override-accept-ranges?

>> @@ -489,6 +490,11 @@ static QemuOptsList runtime_opts = {
>>              .type = QEMU_OPT_BOOL,
>>              .help = "Verify SSL certificate"
>>          },
>> +        {
>> +            .name = CURL_BLOCK_OPT_OVERRIDE_ACCEPT_RANGES,
>> +            .type = QEMU_OPT_BOOL,
>> +            .help = "Server accepts range requests"
>> +        },

It would be nice for someone to finally port the QAPI counterpart
(BlockdevOptions) so that curl devices can be hotplugged via
blockdev-add.  But I guess that's a separate patch.

-- 
Eric Blake   eblake redhat com    +1-919-301-3266
Libvirt virtualization library http://libvirt.org


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  reply	other threads:[~2014-08-27  2:57 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-08-26 20:48 [Qemu-devel] [PATCH] curl: Add override_accept_ranges flag to force sending range Richard W.M. Jones
2014-08-26 20:48 ` [Qemu-devel] [PATCH] curl: Add override_accept_ranges flag to force sending range requests Richard W.M. Jones
2014-08-27  2:38   ` Fam Zheng
2014-08-27  2:57     ` Eric Blake [this message]
2014-08-27  6:37       ` Markus Armbruster
2014-08-27 10:16         ` Richard W.M. Jones
2014-08-27  7:57       ` Richard W.M. Jones
2014-08-27 12:51   ` Daniel H Barboza

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