[PULL 03/11] migration: Create populate_compress()

[Juan Quintela <quintela@redhat.com>]

So we don't have to access compression_counters from outside
ram-compress.c.

Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Lukas Straub <lukasstraub2@web.de>
Message-ID: <20230613145757.10131-7-quintela@redhat.com>
---
 migration/ram-compress.h |  3 +++
 migration/migration.c    | 11 +----------
 migration/ram-compress.c | 13 +++++++++++++
 3 files changed, 17 insertions(+), 10 deletions(-)

diff --git a/migration/ram-compress.h b/migration/ram-compress.h
index 6f7fe2f472..43ff44c0ba 100644
--- a/migration/ram-compress.h
+++ b/migration/ram-compress.h
@@ -30,6 +30,7 @@
 #define QEMU_MIGRATION_COMPRESS_H
 
 #include "qemu-file.h"
+#include "qapi/qapi-types-migration.h"
 
 enum CompressResult {
     RES_NONE = 0,
@@ -67,4 +68,6 @@ void compress_threads_load_cleanup(void);
 int compress_threads_load_setup(QEMUFile *f);
 void decompress_data_with_multi_threads(QEMUFile *f, void *host, int len);
 
+void populate_compress(MigrationInfo *info);
+
 #endif
diff --git a/migration/migration.c b/migration/migration.c
index a808abd294..05c0b801ba 100644
--- a/migration/migration.c
+++ b/migration/migration.c
@@ -974,16 +974,7 @@ static void populate_ram_info(MigrationInfo *info, MigrationState *s)
         info->xbzrle_cache->overflow = xbzrle_counters.overflow;
     }
 
-    if (migrate_compress()) {
-        info->compression = g_malloc0(sizeof(*info->compression));
-        info->compression->pages = compression_counters.pages;
-        info->compression->busy = compression_counters.busy;
-        info->compression->busy_rate = compression_counters.busy_rate;
-        info->compression->compressed_size =
-                                    compression_counters.compressed_size;
-        info->compression->compression_rate =
-                                    compression_counters.compression_rate;
-    }
+    populate_compress(info);
 
     if (cpu_throttle_active()) {
         info->has_cpu_throttle_percentage = true;
diff --git a/migration/ram-compress.c b/migration/ram-compress.c
index a0f6a56470..bbf78a02d4 100644
--- a/migration/ram-compress.c
+++ b/migration/ram-compress.c
@@ -488,3 +488,16 @@ void decompress_data_with_multi_threads(QEMUFile *f, void *host, int len)
         }
     }
 }
+
+void populate_compress(MigrationInfo *info)
+{
+    if (!migrate_compress()) {
+        return;
+    }
+    info->compression = g_malloc0(sizeof(*info->compression));
+    info->compression->pages = compression_counters.pages;
+    info->compression->busy = compression_counters.busy;
+    info->compression->busy_rate = compression_counters.busy_rate;
+    info->compression->compressed_size = compression_counters.compressed_size;
+    info->compression->compression_rate = compression_counters.compression_rate;
+}
-- 
2.41.0