doc: virtio discard is supported since kernel 5.0

Signed-off-by: Malte Janduda <mail@janduda.net>

diff --git a/doc/rbd/qemu-rbd.rst b/doc/rbd/qemu-rbd.rst
index f5925d6c3531b31c68cdb7f009527c19281b6ee5..281335ebe6a0cdf7aeee15957792b97d22d093c6 100644 (file)
--- a/doc/rbd/qemu-rbd.rst
+++ b/doc/rbd/qemu-rbd.rst
@@ -165,8 +165,7 @@ for the block device. To do this, you must specify a
     qemu -m 1024 -drive format=raw,file=rbd:data/squeeze,id=drive1,if=none \
          -device driver=ide-hd,drive=drive1,discard_granularity=512
 
-Note that this uses the IDE driver. The virtio driver does not
-support discard.
+Note that this uses the IDE driver. The virtio driver supports discard since Linux kernel version 5.0.
 
 If using libvirt, edit your libvirt domain's configuration file using ``virsh
 edit`` to include the ``xmlns:qemu`` value. Then, add a ``qemu:commandline``