virtio-devices: reevaluate #[allow] attributes

Convert the still-needed #[allow]s to #[expect] so they warn if the
lints stop firing.

Part of #8326.

Signed-off-by: Tushar Khatri <hello@tusharkhatri.in>

virtio-devices/src/vhost_user/fs.rs

@@ -71,7 +71,7 @@ pub struct Fs {
 
 impl Fs {
     /// Create a new virtio-fs device.
-    #[allow(clippy::too_many_arguments)]
+    #[expect(clippy::too_many_arguments)]
     pub fn new(
         id: String,
         path: &str,

virtio-devices/src/vhost_user/generic_vhost_user.rs

@@ -59,7 +59,7 @@ pub struct GenericVhostUser {
 
 impl GenericVhostUser {
     /// Create a new generic vhost-user device.
-    #[allow(clippy::too_many_arguments)]
+    #[expect(clippy::too_many_arguments)]
     pub fn new(
         id: String,
         path: &str,

virtio-devices/src/vhost_user/mod.rs

@@ -473,7 +473,7 @@ pub struct VhostUserCommon {
 }
 
 impl VhostUserCommon {
-    #[allow(clippy::too_many_arguments)]
+    #[expect(clippy::too_many_arguments)]
     pub fn activate<T: VhostUserFrontendReqHandler>(
         &mut self,
         mem: GuestMemoryAtomic<GuestMemoryMmap>,

virtio-devices/src/vhost_user/net.rs

@@ -49,7 +49,7 @@ pub struct Net {
 
 impl Net {
     /// Create a new vhost-user-net device
-    #[allow(clippy::too_many_arguments)]
+    #[expect(clippy::too_many_arguments)]
     pub fn new(
         id: String,
         mac_addr: MacAddr,

virtio-devices/src/vhost_user/vu_common_ctrl.rs

@@ -159,7 +159,7 @@ impl VhostUserHandle {
         Ok((acked_features, acked_protocol_features.bits()))
     }
 
-    #[allow(clippy::too_many_arguments)]
+    #[expect(clippy::too_many_arguments)]
     pub fn setup_vhost_user<S: VhostUserFrontendReqHandler>(
         &mut self,
         mem: &GuestMemoryMmap,
@@ -352,7 +352,7 @@ impl VhostUserHandle {
         Ok(())
     }
 
-    #[allow(clippy::too_many_arguments)]
+    #[expect(clippy::too_many_arguments)]
     pub fn reinitialize_vhost_user<S: VhostUserFrontendReqHandler>(
         &mut self,
         mem: &GuestMemoryMmap,