On Fri, 9 May 2025 15:40:25 -0500, Eric Blake wrote:
> QEMU has an optimization for a just-created drive-mirror destination
> that is not possible for blockdev-mirror (which can't create the
> destination) - any time we know the destination starts life as all
> zeroes, we can skip a pre-zeroing pas
On Sat, May 03, 2025 at 07:57:24AM +0800, Sunny Zhu wrote:
> On Fri, May 09, 2025 at 03:40:25PM -0500, Eric Blake wrote:
> > QEMU has an optimization for a just-created drive-mirror destination
> > that is not possible for blockdev-mirror (which can't create the
> > destination) - any time we know
On Fri, May 09, 2025 at 03:40:25PM -0500, Eric Blake wrote:
> QEMU has an optimization for a just-created drive-mirror destination
> that is not possible for blockdev-mirror (which can't create the
> destination) - any time we know the destination starts life as all
> zeroes, we can skip a pre-zero
On Fri, May 09, 2025 at 03:40:25PM -0500, Eric Blake wrote:
> QEMU has an optimization for a just-created drive-mirror destination
> that is not possible for blockdev-mirror (which can't create the
> destination) - any time we know the destination starts life as all
> zeroes, we can skip a pre-zero
