On Thu, Sep 24, 2020 at 07:26:14AM -0400, Michael S. Tsirkin wrote:
> On Fri, Sep 11, 2020 at 11:39:42AM +0300, Dima Stepanov wrote:
> > v4 -> v5:
> > - vhost: check queue state in the vhost_dev_set_log routine
> > tests/qtest/vhost-user-test: prepare the tests for adding new
> > dev clas
25.09.2020 23:32, Eric Blake wrote:
Allow the server to expose an additional metacontext to be requested
by savvy clients. qemu-nbd adds a new option -A to expose the
qemu:allocation-depth metacontext through NBD_CMD_BLOCK_STATUS; this
can also be set via QMP when using nbd-server-add.
qemu as
26.09.2020 10:33, Richard W.M. Jones wrote:
On Fri, Sep 25, 2020 at 03:32:48PM -0500, Eric Blake wrote:
+The second is related to exposing the source of various extents within
+the image, with a single context named:
+
+qemu:allocation-depth
+
+In the allocation depth context, bits 0 and 1 f
25.09.2020 23:32, Eric Blake wrote:
'qemu-img map' provides a way to determine which extents of an image
come from the top layer vs. inherited from a backing chain. This is
useful information worth exposing over NBD. There is a proposal to
add a QMP command block-dirty-bitmap-populate which can
25.09.2020 23:32, Eric Blake wrote:
We had a premature optimization of trying to read as little from the
wire as possible while handling NBD_OPT_SET_META_CONTEXT in phases.
But in reality, we HAVE to read the entire string from the client
before we can get to the next command, and it is easier to
On Fri, Sep 25, 2020 at 03:32:49PM -0500, Eric Blake wrote:
> Allow the server to expose an additional metacontext to be requested
> by savvy clients. qemu-nbd adds a new option -A to expose the
> qemu:allocation-depth metacontext through NBD_CMD_BLOCK_STATUS; this
> can also be set via QMP when u
On Fri, Sep 25, 2020 at 03:32:48PM -0500, Eric Blake wrote:
> +The second is related to exposing the source of various extents within
> +the image, with a single context named:
> +
> +qemu:allocation-depth
> +
> +In the allocation depth context, bits 0 and 1 form a tri-state value:
> +
> +b