scx: Rename "type" -> "exit_type"

When used from a bpf scheduler that is launched via libbpf-rs this
naming runs into issues because "type" is a reserved keyword in Rust.

Signed-off-by: Dan Schatzberg <[email protected]>

Author: dschatzberg

tools/sched_ext/user_exit_info.h

@@ -11,7 +11,7 @@
 #define __USER_EXIT_INFO_H
 
 struct user_exit_info {
-	int		type;
+	int		exit_type;
 	char		reason[128];
 	char		msg[1024];
 };
@@ -27,15 +27,15 @@ static inline void uei_record(struct user_exit_info *uei,
 	bpf_probe_read_kernel_str(uei->reason, sizeof(uei->reason), ei->reason);
 	bpf_probe_read_kernel_str(uei->msg, sizeof(uei->msg), ei->msg);
 	/* use __sync to force memory barrier */
-	__sync_val_compare_and_swap(&uei->type, uei->type, ei->type);
+	__sync_val_compare_and_swap(&uei->exit_type, uei->exit_type, ei->type);
 }
 
 #else	/* !__bpf__ */
 
 static inline bool uei_exited(struct user_exit_info *uei)
 {
 	/* use __sync to force memory barrier */
-	return __sync_val_compare_and_swap(&uei->type, -1, -1);
+	return __sync_val_compare_and_swap(&uei->exit_type, -1, -1);
 }
 
 static inline void uei_print(const struct user_exit_info *uei)