throttle-groups: Move ThrottleGroup typedef to header

Move typedef closer to the type check macros, to make it easier
to convert the code to OBJECT_DEFINE_TYPE() in the future.

Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Tested-By: Roman Bolshakov <r.bolshakov@yadro.com>
Message-Id: <20200825192110.3528606-17-ehabkost@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>

2 files changed, 3 insertions, 2 deletions

diff --git a/block/throttle-groups.c b/block/throttle-groups.c
index 98fea7f..4e28365 100644
--- a/block/throttle-groups.c
+++ b/block/throttle-groups.c
@@ -63,7 +63,7 @@ static void timer_cb(ThrottleGroupMember *tgm, bool is_write);
  * access some other ThrottleGroupMember's timers only after verifying that
  * that ThrottleGroupMember has throttled requests in the queue.
  */
-typedef struct ThrottleGroup {
+struct ThrottleGroup {
     Object parent_obj;
 
     /* refuse individual property change if initialization is complete */
@@ -79,7 +79,7 @@ typedef struct ThrottleGroup {
 
     /* This field is protected by the global QEMU mutex */
     QTAILQ_ENTRY(ThrottleGroup) list;
-} ThrottleGroup;
+};
 
 /* This is protected by the global QEMU mutex */
 static QTAILQ_HEAD(, ThrottleGroup) throttle_groups =
diff --git a/include/block/throttle-groups.h b/include/block/throttle-groups.h
index 712a8e6..5e77db7 100644
--- a/include/block/throttle-groups.h
+++ b/include/block/throttle-groups.h
@@ -59,6 +59,7 @@ typedef struct ThrottleGroupMember {
 } ThrottleGroupMember;
 
 #define TYPE_THROTTLE_GROUP "throttle-group"
+typedef struct ThrottleGroup ThrottleGroup;
 #define THROTTLE_GROUP(obj) OBJECT_CHECK(ThrottleGroup, (obj), TYPE_THROTTLE_GROUP)
 
 const char *throttle_group_get_name(ThrottleGroupMember *tgm);