migration: Use an array instead of 3 parameters

Put the three parameters related to multiple thread (de)compression
into an int array, and use an enum type to index the parameter.

Signed-off-by: Liang Li <liang.z.li@intel.com>
Signed-off-by: Yang Zhang <yang.z.zhang@intel.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>

1 files changed, 1 insertions, 3 deletions

diff --git a/include/migration/migration.h b/include/migration/migration.h
index d4a10627cd..a6e025a248 100644
--- a/include/migration/migration.h
+++ b/include/migration/migration.h
@@ -50,9 +50,7 @@ struct MigrationState
     QemuThread thread;
     QEMUBH *cleanup_bh;
     QEMUFile *file;
-    int compress_thread_count;
-    int decompress_thread_count;
-    int compress_level;
+    int parameters[MIGRATION_PARAMETER_MAX];
 
     int state;
     MigrationParams params;