Am 24.06.2013 um 17:13 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
