Re: [libvirt] [PATCHv2 12/16] storage: cache backing chain while qemu domain is live

2012-10-16 Thread Laine Stump
On 10/13/2012 06:00 PM, Eric Blake wrote: Technically, we should not be re-probing any file that qemu might be currently writing to. As such, we should cache the backing file chain prior to starting qemu. This patch adds the cache, but does not use it until the next patch. Ultimately, we

Re: [libvirt] [PATCHv2 12/16] storage: cache backing chain while qemu domain is live

2012-10-16 Thread Eric Blake
On 10/16/2012 01:02 PM, Laine Stump wrote: On 10/13/2012 06:00 PM, Eric Blake wrote: Technically, we should not be re-probing any file that qemu might be currently writing to. As such, we should cache the backing file chain prior to starting qemu. This patch adds the cache, but does not use

Re: [libvirt] [PATCHv2 12/16] storage: cache backing chain while qemu domain is live

2012-10-16 Thread Laine Stump
On 10/16/2012 04:07 PM, Eric Blake wrote: On 10/16/2012 01:02 PM, Laine Stump wrote: On 10/13/2012 06:00 PM, Eric Blake wrote: Technically, we should not be re-probing any file that qemu might be currently writing to. As such, we should cache the backing file chain prior to starting qemu.

[libvirt] [PATCHv2 12/16] storage: cache backing chain while qemu domain is live

2012-10-13 Thread Eric Blake
Technically, we should not be re-probing any file that qemu might be currently writing to. As such, we should cache the backing file chain prior to starting qemu. This patch adds the cache, but does not use it until the next patch. Ultimately, we want to also store the chain in domain XML, so