Re: [Qemu-devel] [RFC] Specification for qcow2 version 3

2011-05-24 Thread Kevin Wolf
Am 24.05.2011 12:41, schrieb Stefan Hajnoczi: > 3. Zero clusters > > Cluster descriptor bit 0 can mark clusters as zero. This prevents > access to the backing file and instead reads zeroes. > > This is not really compatible with sub-clusters because it works at > cluster granularity? Right, tha

Re: [Qemu-devel] [RFC] Specification for qcow2 version 3

2011-05-24 Thread Stefan Hajnoczi
On Mon, May 9, 2011 at 4:51 PM, Kevin Wolf wrote: > I hope the intentions of each change are clear, but feel free to ask if they > aren't. Also when I wasn't if/how exactly to specify things, I left a TODO in > some places. Here is what I've picked up on and a summary for lazy readers who don't w

Re: [Qemu-devel] [RFC] Specification for qcow2 version 3

2011-05-13 Thread Kevin Wolf
Am 09.05.2011 17:51, schrieb Kevin Wolf: > Hi all, > > this is a first draft for what I think could be added when we increase qcow2's > version number to 3. This includes points that have been made by several > people > over the past few months. We're probably not going to implement this next >

[Qemu-devel] [RFC] Specification for qcow2 version 3

2011-05-09 Thread Kevin Wolf
Hi all, this is a first draft for what I think could be added when we increase qcow2's version number to 3. This includes points that have been made by several people over the past few months. We're probably not going to implement this next week, but I think it's important to get discussions start