vfio/migration: Rename vfio_devices_all_dirty_tracking()

vfio_devices_all_dirty_tracking() is used to check if dirty page log
sync is needed. However, besides checking the dirty page tracking
status, it also checks the pre_copy_dirty_page_tracking flag.

Rename it to vfio_devices_log_sync_needed() which reflects its purpose
more accurately and makes the code clearer as there are already several
helpers with similar names.

Signed-off-by: Avihai Horon <avihaih@nvidia.com>
Reviewed-by: Joao Martins <joao.m.martins@oracle.com>
Tested-by: Joao Martins <joao.m.martins@oracle.com>
Link: https://lore.kernel.org/r/20241218134022.21264-5-avihaih@nvidia.com
Signed-off-by: Cédric Le Goater <clg@redhat.com>

hw/vfio/common.c

@@ -191,7 +191,7 @@ bool vfio_devices_all_dirty_tracking_started(
            bcontainer->dirty_pages_started;
 }
 
-static bool vfio_devices_all_dirty_tracking(VFIOContainerBase *bcontainer)
+static bool vfio_log_sync_needed(const VFIOContainerBase *bcontainer)
 {
     VFIODevice *vbasedev;
 
@@ -1364,7 +1364,7 @@ static void vfio_listener_log_sync(MemoryListener *listener,
         return;
     }
 
-    if (vfio_devices_all_dirty_tracking(bcontainer)) {
+    if (vfio_log_sync_needed(bcontainer)) {
         ret = vfio_sync_dirty_bitmap(bcontainer, section, &local_err);
         if (ret) {
             error_report_err(local_err);