On 02/08/2018 07:23 AM, Edgar Kaziakhmedov wrote:
Upstream NBD protocol implementation supports an efficient zero out
mechanism over the wire, along with the ability to check whether a
client allows using a hole.
Accordingly, since PWRITE_ZERO doesn't involve any payload on the wire,
increase a
On 02/08/2018 06:55 PM, Eric Blake wrote:
On 02/08/2018 09:28 AM, Edgar Kaziakhmedov wrote:
We've got a potential problem. Unless you have out-of-band
communication of the maximum NBD_CMD_WRITE_ZEROES sizing (or if the
NBD protocol is enhanced to advertise that as an additional piece of
bl
On 02/08/2018 09:28 AM, Edgar Kaziakhmedov wrote:
We've got a potential problem. Unless you have out-of-band
communication of the maximum NBD_CMD_WRITE_ZEROES sizing (or if the
NBD protocol is enhanced to advertise that as an additional piece of
block size information during NBD_OPT_GO), then
On 02/08/2018 05:54 PM, Eric Blake wrote:
On 02/08/2018 07:23 AM, Edgar Kaziakhmedov wrote:
Upstream NBD protocol implementation supports an efficient zero out
mechanism over the wire, along with the ability to check whether a
client allows using a hole.
Accordingly, since PWRITE_ZERO doesn't
On 02/08/2018 07:23 AM, Edgar Kaziakhmedov wrote:
Upstream NBD protocol implementation supports an efficient zero out
mechanism over the wire, along with the ability to check whether a
client allows using a hole.
Accordingly, since PWRITE_ZERO doesn't involve any payload on the wire,
increase a
