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Re: [Qemu-devel] GSoC - QCOW2 <-> QED image converter
From: |
Christoph Hellwig |
Subject: |
Re: [Qemu-devel] GSoC - QCOW2 <-> QED image converter |
Date: |
Mon, 11 Apr 2011 20:11:00 +0200 |
User-agent: |
Mutt/1.5.17 (2007-11-01) |
On Thu, Apr 07, 2011 at 07:10:00AM +0800, Lyu Mitnick wrote:
> Would you mind to share your solution about this feature?? My idea is
> replace
> all bdrv_pread(), bdrv_pwrite_sync(), bdrv_pwrite() in block/vpc.c to
> bdrv_pread_split(), bdrv_pwrite_sync_split(), bdrv_pwrite_split()
> corresponding.
> bdrv_pread_split(), bdrv_pwrite_sync_split(), bdrv_pwrite_split() should
> deal with
> data splitted at different files via bdrv_pread(), bdrv_pwrite_sync(),
> bdrv_pwrite(),
> give an interface of sequential byte accessed. Is it suitable to solve this
> issue??
For the synchronous bdrv_read/bdrv_write used in vmdk the problem actually
is rather trivial, as it already split it's reads/write on a cluster
boundary internally, and the higher level split is always alignment to
a cluster boundary. So basically no new work there.
- [Qemu-devel] GSoC - QCOW2 <-> QED image converter, Lyu Mitnick, 2011/04/04
- Re: [Qemu-devel] GSoC - QCOW2 <-> QED image converter, Stefan Hajnoczi, 2011/04/05
- Re: [Qemu-devel] GSoC - QCOW2 <-> QED image converter, Lyu Mitnick, 2011/04/05
- Re: [Qemu-devel] GSoC - QCOW2 <-> QED image converter, Christoph Hellwig, 2011/04/06
- Re: [Qemu-devel] GSoC - QCOW2 <-> QED image converter, Kevin Wolf, 2011/04/06
- Re: [Qemu-devel] GSoC - QCOW2 <-> QED image converter, Christoph Hellwig, 2011/04/06
- Re: [Qemu-devel] GSoC - QCOW2 <-> QED image converter, Lyu Mitnick, 2011/04/06
- Re: [Qemu-devel] GSoC - QCOW2 <-> QED image converter,
Christoph Hellwig <=