Re: [Qemu-devel] Interface for enabling lazy refcount updates in qcow2

2012-05-23 Thread Stefan Hajnoczi
On Mon, May 21, 2012 at 4:23 PM, Kevin Wolf wrote: > Am 21.05.2012 16:34, schrieb Stefan Hajnoczi: >> On Tue, May 15, 2012 at 02:42:54PM +0200, Paolo Bonzini wrote: >>> Il 15/05/2012 14:01, Kevin Wolf ha scritto: Hi all, after having implemented refcount fixing in qcow2's img_check,

Re: [Qemu-devel] Interface for enabling lazy refcount updates in qcow2

2012-05-21 Thread Kevin Wolf
Am 21.05.2012 16:34, schrieb Stefan Hajnoczi: > On Tue, May 15, 2012 at 02:42:54PM +0200, Paolo Bonzini wrote: >> Il 15/05/2012 14:01, Kevin Wolf ha scritto: >>> Hi all, >>> >>> after having implemented refcount fixing in qcow2's img_check, I'm now >>> wondering what the best way is to allow users

Re: [Qemu-devel] Interface for enabling lazy refcount updates in qcow2

2012-05-21 Thread Stefan Hajnoczi
On Tue, May 15, 2012 at 02:42:54PM +0200, Paolo Bonzini wrote: > Il 15/05/2012 14:01, Kevin Wolf ha scritto: > > Hi all, > > > > after having implemented refcount fixing in qcow2's img_check, I'm now > > wondering what the best way is to allow users to optionally enable the > > "QED mode" for cach

Re: [Qemu-devel] Interface for enabling lazy refcount updates in qcow2

2012-05-15 Thread Paolo Bonzini
Il 15/05/2012 14:01, Kevin Wolf ha scritto: > Hi all, > > after having implemented refcount fixing in qcow2's img_check, I'm now > wondering what the best way is to allow users to optionally enable the > "QED mode" for cache=writethrough images where refcount updates aren't > written out immediate

[Qemu-devel] Interface for enabling lazy refcount updates in qcow2

2012-05-15 Thread Kevin Wolf
Hi all, after having implemented refcount fixing in qcow2's img_check, I'm now wondering what the best way is to allow users to optionally enable the "QED mode" for cache=writethrough images where refcount updates aren't written out immediately. Basically the two options are: 1. Store it in the