Re: [Xen-devel] !!!!!help!I wouldn't be able to meet the deadline!(qcow format image file read operation in qemu-img-xen)[updated]

[hxkhust <hxkhust@xxxxxxx>]

>Date: Wed, 19 Dec 2012 15:32:41 +0000
>From: Mats Petersson <mats.petersson@xxxxxxxxxx>
>To: <xen-devel@xxxxxxxxxxxxx>
>Subject: Re: [Xen-devel] !!!!!help!I wouldn't be able to meet the
>	deadline!(qcow format image file read operation in
>	qemu-img-xen)[updated]
>Message-ID: <50D1DE19.1080709@xxxxxxxxxx>
>Content-Type: text/plain; charset="GB2312"
>
>On 19/12/12 15:23, hxkhust wrote:
>> Or could you tell me how to cache the data which is read from the
>> backingfile when a qcow image is regarded as a virtual disk in a
>> running HVM?
>I take it the above single question is the effect of my previous reply?
>Why did you have to "hide" that little extra question in the whole
>previous e-mail?
>

......yse,that is.

Because previously what point out is a detail question, the reader may be convenient to answear and at least input less words to me, I guess.

And in this way I can get the one that is more maneuverable.

>Sorry, don't know the answer to your question [I'm guessing, in general,
>that the Dom0 will do that for you, subject to available space], just
>pointing out that there is a minor difference between your previous and
>current mail.
>

yean,the difference is minor.I have no time and I'm worry about the problem.

I have seen that a lot of questions have more that one Re:XXX mails(mails to answer the question),How could they do that?

  
>By caching, do you mean "load the entire file into RAM", or "if a read
>is requested for the same piece of 'disk' multiple times, I want the
>previous result to be stored and returned".
>

I mean the latter one.Could you give me some proposal?

>--
>Mats

_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxx
http://lists.xen.org/xen-devel