Am 07.10.2013 um 10:34 schrieb Stefan Hajnoczi :
> On Tue, Sep 24, 2013 at 03:35:07PM +0200, Peter Lieven wrote:
>> this patch adds a call to completely zero out a block device.
>> the operation is sped up by checking the block status and
>> only writing zeroes to the device if they currently do
On Tue, Sep 24, 2013 at 03:35:07PM +0200, Peter Lieven wrote:
> this patch adds a call to completely zero out a block device.
> the operation is sped up by checking the block status and
> only writing zeroes to the device if they currently do not
> return zeroes. optionally the zero writing can be
On 09/24/2013 07:35 AM, Peter Lieven wrote:
> this patch adds a call to completely zero out a block device.
> the operation is sped up by checking the block status and
> only writing zeroes to the device if they currently do not
> return zeroes. optionally the zero writing can be sped up
> by setti
this patch adds a call to completely zero out a block device.
the operation is sped up by checking the block status and
only writing zeroes to the device if they currently do not
return zeroes. optionally the zero writing can be sped up
by setting the flag BDRV_REQ_MAY_UNMAP to emulate the zero
wri