Am 22.05.2013 um 15:58 hat Stefan Hajnoczi geschrieben:
> On Wed, May 22, 2013 at 11:56:45AM +0200, Kevin Wolf wrote:
> > Am 22.05.2013 um 11:54 hat Paolo Bonzini geschrieben:
> > > Il 22/05/2013 11:38, Kevin Wolf ha scritto:
> > > >> +
> > > >> +DPRINTF("brdv_co_backup_cow done C%" PRId64
On Wed, May 22, 2013 at 11:56:45AM +0200, Kevin Wolf wrote:
> Am 22.05.2013 um 11:54 hat Paolo Bonzini geschrieben:
> > Il 22/05/2013 11:38, Kevin Wolf ha scritto:
> > >> +
> > >> +DPRINTF("brdv_co_backup_cow done C%" PRId64 "\n", start);
> > >> +}
> > >> +
> > >> +out:
> > >> +if (
Am 22.05.2013 um 11:54 hat Paolo Bonzini geschrieben:
> Il 22/05/2013 11:38, Kevin Wolf ha scritto:
> >> +
> >> +DPRINTF("brdv_co_backup_cow done C%" PRId64 "\n", start);
> >> +}
> >> +
> >> +out:
> >> +if (bounce_buffer) {
> >> +qemu_vfree(bounce_buffer);
> >> +}
> >> +
Il 22/05/2013 11:38, Kevin Wolf ha scritto:
>> +
>> +DPRINTF("brdv_co_backup_cow done C%" PRId64 "\n", start);
>> +}
>> +
>> +out:
>> +if (bounce_buffer) {
>> +qemu_vfree(bounce_buffer);
>> +}
>> +
>> +cow_request_end(&cow_request);
>> +
>> +qemu_co_rwlock_unlock
Am 16.05.2013 um 10:36 hat Stefan Hajnoczi geschrieben:
> From: Dietmar Maurer
>
> backup_start() creates a block job that copies a point-in-time snapshot
> of a block device to a target block device.
>
> We call backup_do_cow() for each write during backup. That function
> reads the original da
From: Dietmar Maurer
backup_start() creates a block job that copies a point-in-time snapshot
of a block device to a target block device.
We call backup_do_cow() for each write during backup. That function
reads the original data from the block device before it gets
overwritten. The data is then
