Re: [Qemu-devel] [PATCH 08/15] qmp: add block_stream command

2011-07-28 Thread Stefan Hajnoczi
On Thu, Jul 28, 2011 at 4:53 PM, Marcelo Tosatti wrote: > On Wed, Jul 27, 2011 at 02:44:48PM +0100, Stefan Hajnoczi wrote: >> For leaf images with copy-on-read semantics, the stream command allows >> the user to populate the image file by copying data from the backing >> file while the guest is ru

Re: [Qemu-devel] [PATCH 08/15] qmp: add block_stream command

2011-07-28 Thread Marcelo Tosatti
On Wed, Jul 27, 2011 at 02:44:48PM +0100, Stefan Hajnoczi wrote: > For leaf images with copy-on-read semantics, the stream command allows > the user to populate the image file by copying data from the backing > file while the guest is running. Once all blocks have been streamed, > the dependency o

[Qemu-devel] [PATCH 08/15] qmp: add block_stream command

2011-07-27 Thread Stefan Hajnoczi
For leaf images with copy-on-read semantics, the stream command allows the user to populate the image file by copying data from the backing file while the guest is running. Once all blocks have been streamed, the dependency on the original backing file is removed. Therefore, stream commands can b