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Re: [Qemu-block] [Qemu-devel] [PATCH for-2.6 01/14] block: Add "file" ou

From: Eric Blake
Subject: Re: [Qemu-block] [Qemu-devel] [PATCH for-2.6 01/14] block: Add "file" output parameter to block status query functions
Date: Mon, 23 Nov 2015 22:30:27 -0700
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.3.0

On 11/23/2015 10:21 PM, Fam Zheng wrote:
> The added parameter can be used to return the BDS pointer which the
> valid offset is refering to. It's value should be ignored unless


> BDRV_BLOCK_OFFSET_VALID in ret is set.
> Until block drivers fill in the right value, let's clear it explicitly
> right before calling .bdrv_get_block_status.
> Signed-off-by: Fam Zheng <address@hidden>
> ---

Reviewed-by: Eric Blake <address@hidden>

Is there ever going to be a need to expose this through QMP, or is this
just used for the qemu-img map subcommand?

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

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