On 17/11/2016 22:10, Max Reitz wrote:
> On 17.11.2016 21:13, Eric Blake wrote:
>> Commit fa778fff wired up support to send the NBD_CMD_WRITE_ZEROES,
>> but forgot to inform the block layer that FUA unmapping of zeroes is
>> supported. Without BDRV_REQ_MAY_UNMAP listed as a supported flag,
>>
On 11/17/2016 03:10 PM, Max Reitz wrote:
> On 17.11.2016 21:13, Eric Blake wrote:
>> Commit fa778fff wired up support to send the NBD_CMD_WRITE_ZEROES,
>> but forgot to inform the block layer that FUA unmapping of zeroes is
>> supported. Without BDRV_REQ_MAY_UNMAP listed as a supported flag,
>>
On 17.11.2016 21:13, Eric Blake wrote:
> Commit fa778fff wired up support to send the NBD_CMD_WRITE_ZEROES,
> but forgot to inform the block layer that FUA unmapping of zeroes is
> supported. Without BDRV_REQ_MAY_UNMAP listed as a supported flag,
> the block layer will always insist on the NBD
Commit fa778fff wired up support to send the NBD_CMD_WRITE_ZEROES,
but forgot to inform the block layer that FUA unmapping of zeroes is
supported. Without BDRV_REQ_MAY_UNMAP listed as a supported flag,
the block layer will always insist on the NBD layer passing
NBD_CMD_FLAG_NO_HOLE, resulting in