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Date: Thu, 14 Jul 2011 11:55:48 +0200
From: Kevin Wolf <kwolf@redhat.com>
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Subject: Re: [Qemu-devel] live block copy/stream/snapshot discussion
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To: Stefan Hajnoczi <stefanha@gmail.com>
Cc: Anthony Liguori <aliguori@us.ibm.com>, Dor Laor <dlaor@redhat.com>, Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>, Marcelo Tosatti <mtosatti@redhat.com>, qemu-devel <qemu-devel@nongnu.org>, Avi Kivity <avi@redhat.com>, Adam Litke <agl@us.ibm.com>

Am 14.07.2011 11:39, schrieb Stefan Hajnoczi:
>  Events:
> 
>  On completion the BLOCK_STREAM_COMPLETED event is raised with the following
>  fields:
> 
>  - device: device name (json-string)
>  - len:    size of the device, in bytes (json-int)
>  - offset: last offset of completed I/O, in bytes (json-int)
>  - error:  error message (json-string, only on error)
> 
>  The completion event is raised both on success and on failure.

Why do len/offset matter in a completion event?

Other than that it looks good to me.

Kevin