Re: [Qemu-devel] [PATCH 3/8] qed: add support for Copy-on-Read

2011-05-06 Thread Stefan Hajnoczi
On Fri, Apr 29, 2011 at 1:14 PM, Kevin Wolf wrote: > Am 27.04.2011 15:27, schrieb Stefan Hajnoczi: >> From: Anthony Liguori >> >> When creating an image using qemu-img, just pass '-o copy_on_read' and then >> whenever QED reads from a backing file, it will write the block to the QED >> file after

Re: [Qemu-devel] [PATCH 3/8] qed: add support for Copy-on-Read

2011-04-29 Thread Kevin Wolf
Am 27.04.2011 15:27, schrieb Stefan Hajnoczi: > From: Anthony Liguori > > When creating an image using qemu-img, just pass '-o copy_on_read' and then > whenever QED reads from a backing file, it will write the block to the QED > file after the read completes ensuring that you only fetch from the

Re: [Qemu-devel] [PATCH 3/8] qed: add support for Copy-on-Read

2011-04-27 Thread Paolo Bonzini
On 04/27/2011 03:27 PM, Stefan Hajnoczi wrote: From: Anthony Liguori When creating an image using qemu-img, just pass '-o copy_on_read' and then whenever QED reads from a backing file, it will write the block to the QED file after the read completes ensuring that you only fetch from the backing