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Re: [Qemu-devel] [RFC] introduce a dynamic library to expose qemu block
From: |
Stefan Hajnoczi |
Subject: |
Re: [Qemu-devel] [RFC] introduce a dynamic library to expose qemu block API |
Date: |
Fri, 13 Jul 2012 10:13:15 +0100 |
User-agent: |
Mutt/1.5.21 (2010-09-15) |
On Mon, Jul 09, 2012 at 04:36:07PM +0200, Christoph Hellwig wrote:
> On Mon, Jul 09, 2012 at 04:54:08PM +0800, Wenchao Xia wrote:
> > Hi, Paolo and folks,
> > qemu have good capabilities to access different virtual disks, I want
> > to expose its block layer API to let 3rd party program linked in, such
> > as management stack or block tools, to access images data directly.
> >
> > Following is the objects:
> > (1) API to write/read block device at offset.
> > (2) Determine the image type,qcow2/qed/raw
> > (3) Determine which blocks are allocated.
> > (4) Determine backing file.
>
> Sounds like you want a procedural interface for that. At least for (1)
> I have patches I'll submit soon to add qemu img read/write commands.
How is that different from all the qemu-io commands?
Stefan
- Re: [Qemu-devel] [RFC] introduce a dynamic library to expose qemu block API, (continued)
- Re: [Qemu-devel] [RFC] introduce a dynamic library to expose qemu block API, Daniel P. Berrange, 2012/07/09
- Re: [Qemu-devel] [RFC] introduce a dynamic library to expose qemu block API, Wenchao Xia, 2012/07/10
- Re: [Qemu-devel] [RFC] introduce a dynamic library to expose qemu block API, Paolo Bonzini, 2012/07/10
- Re: [Qemu-devel] [RFC] introduce a dynamic library to expose qemu block API, Stefan Hajnoczi, 2012/07/13
- Re: [Qemu-devel] [RFC] introduce a dynamic library to expose qemu block API, Daniel P. Berrange, 2012/07/13
- Re: [Qemu-devel] [RFC] introduce a dynamic library to expose qemu block API, Stefan Hajnoczi, 2012/07/13
- Re: [Qemu-devel] [RFC] introduce a dynamic library to expose qemu block API, Wenchao Xia, 2012/07/16
Re: [Qemu-devel] [RFC] introduce a dynamic library to expose qemu block API, Christoph Hellwig, 2012/07/09
- Re: [Qemu-devel] [RFC] introduce a dynamic library to expose qemu block API, Wenchao Xia, 2012/07/10
- Re: [Qemu-devel] [RFC] introduce a dynamic library to expose qemu block API,
Stefan Hajnoczi <=
- Re: [Qemu-devel] [RFC] introduce a dynamic library to expose qemu block API, Christoph Hellwig, 2012/07/13
- Re: [Qemu-devel] [RFC] introduce a dynamic library to expose qemu block API, Stefan Hajnoczi, 2012/07/13
- Re: [Qemu-devel] [RFC] introduce a dynamic library to expose qemu block API, Kevin Wolf, 2012/07/13
- Re: [Qemu-devel] [RFC] introduce a dynamic library to expose qemu block API, Christoph Hellwig, 2012/07/13
- Re: [Qemu-devel] [RFC] introduce a dynamic library to expose qemu block API, Kevin Wolf, 2012/07/13
Re: [Qemu-devel] [RFC] introduce a dynamic library to expose qemu block API, Wenchao Xia, 2012/07/16