Get rid of the reference type

Author: geofft

tests/json-sysctl/src/lib.rs

@@ -7,22 +7,9 @@ use core::convert::TryInto;
 use serde::Serialize;
 use serde_json_core;
 
-use linux_kernel_module::sysctl::{Sysctl, SysctlStorage};
+use linux_kernel_module::sysctl::Sysctl;
 use linux_kernel_module::Mode;
 use linux_kernel_module::error;
-use linux_kernel_module::println;
-use linux_kernel_module::user_ptr::UserSlicePtrWriter;
-
-struct Reference(&'static AtomicBool);
-
-impl SysctlStorage for Reference {
-    fn store_value(&self, data: &[u8]) -> (usize, error::KernelResult<()>) {
-        self.0.store_value(&*data)
-    }
-    fn read_value(&self, data: &mut UserSlicePtrWriter) -> (usize, error::KernelResult<()>) {
-        self.0.read_value(&mut *data)
-    }
-}
 
 static A: AtomicBool = AtomicBool::new(false);
 static B: AtomicBool = AtomicBool::new(false);
@@ -56,9 +43,9 @@ impl linux_kernel_module::chrdev::FileOperations for JsonChrdev {
 }
 
 struct JsonSysctlModule {
-    _a: Sysctl<Reference>,
-    _b: Sysctl<Reference>,
-    _c: Sysctl<Reference>,
+    _a: Sysctl<&'static AtomicBool>,
+    _b: Sysctl<&'static AtomicBool>,
+    _c: Sysctl<&'static AtomicBool>,
     _chrdev_registration: linux_kernel_module::chrdev::Registration,
 }
 
@@ -78,19 +65,19 @@ impl linux_kernel_module::KernelModule for JsonSysctlModule {
             _a: Sysctl::register(
                 "json-sysctl\x00",
                 "a\x00",
-                Reference(&A),
+                &A,
                 Mode::from_int(0o666),
             )?,
             _b: Sysctl::register(
                 "json-sysctl\x00",
                 "b\x00",
-                Reference(&B),
+                &B,
                 Mode::from_int(0o666),
             )?,
             _c: Sysctl::register(
                 "json-sysctl\x00",
                 "c\x00",
-                Reference(&C),
+                &C,
                 Mode::from_int(0o666),
             )?,
             _chrdev_registration: chrdev_registration,