[PATCH Libvirt v2 3/3] NEWS: Mention support for discard and write_zeroes of virtio-blk device

From: Hyman Huang(黄勇) <yong.huang(a)smartx.com&gt; Signed-off-by: Hyman Huang(黄勇) <yong.huang(a)smartx.com&gt; --- NEWS.rst | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/NEWS.rst b/NEWS.rst index 42c2c53091..b6fde7c353 100644 --- a/NEWS.rst +++ b/NEWS.rst @@ -17,6 +17,14 @@ v9.6.0 (unreleased) * **New features** + * qemu: Introducing ``discard`` and ``write_zeroes`` features of virtio-blk device + + The optional ``virtio_discard`` and ``virtio_write_zeroes`` attributes + control whether discard and write-zeroes requests are handled by the + virtio-blk device. The feature is based on DISCARD and WRITE_ZEROES commands + introduced in virtio-blk protocol to improve performance when using SSD + backend. + * **Improvements** * apparmor: All profiles and abstractions now support local overrides -- 2.38.5