[PATCH 4/6] host/start-vm: boot using partition label

[Alyssa Ross <hi@alyssa.is>]

This will allow booting reliably from multiple disk images, without
relying on order.

Thanks-to: Puck Meerburg <puck@puckipedia.com>
Signed-off-by: Alyssa Ross <hi@alyssa.is>
---
 host/start-vm/start-vm.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/host/start-vm/start-vm.rs b/host/start-vm/start-vm.rs
index 96d7eb1..302c020 100644
--- a/host/start-vm/start-vm.rs
+++ b/host/start-vm/start-vm.rs
@@ -29,7 +29,7 @@ fn vm_command(dir: PathBuf) -> Result<Command, String> {
     command.args(&["-dc", "test -S env/cloud-hypervisor.sock"]);
     command.arg("cloud-hypervisor");
     command.args(&["--api-socket", "env/cloud-hypervisor.sock"]);
-    command.args(&["--cmdline", "console=ttyS0 root=/dev/vda"]);
+    command.args(&["--cmdline", "console=ttyS0 root=PARTLABEL=root"]);
     command.args(&["--memory", "size=128M"]);
     command.args(&["--console", "pty"]);
 
-- 
2.37.1