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[Qemu-devel] [PATCH v6 3/3] migration: use save_page_use_compression in


From: guangrong . xiao
Subject: [Qemu-devel] [PATCH v6 3/3] migration: use save_page_use_compression in flush_compressed_data
Date: Thu, 6 Sep 2018 15:01:01 +0800

From: Xiao Guangrong <address@hidden>

It avoids to touch compression locks if xbzrle and compression
are both enabled

Signed-off-by: Xiao Guangrong <address@hidden>
---
 migration/ram.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/migration/ram.c b/migration/ram.c
index 65a563993d..747dd9208b 100644
--- a/migration/ram.c
+++ b/migration/ram.c
@@ -1932,11 +1932,13 @@ update_compress_thread_counts(const CompressParam 
*param, int bytes_xmit)
     compression_counters.pages++;
 }
 
+static bool save_page_use_compression(RAMState *rs);
+
 static void flush_compressed_data(RAMState *rs)
 {
     int idx, len, thread_count;
 
-    if (!migrate_use_compression()) {
+    if (!save_page_use_compression(rs)) {
         return;
     }
     thread_count = migrate_compress_threads();
-- 
2.14.4




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