From dde4e694ae576462990b2ce711e62565e085c261 Mon Sep 17 00:00:00 2001
From: Liang Li <liang.z.li@intel.com>
Date: Mon, 23 Mar 2015 16:32:26 +0800
Subject: migration: Add interface to control compression

The multiple compression threads can be turned on/off through
qmp and hmp interface before doing live migration.

Signed-off-by: Liang Li <liang.z.li@intel.com>
Signed-off-by: Yang Zhang <yang.z.zhang@intel.com>
Reviewed-by: Dr.David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
---
 migration/migration.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

(limited to 'migration/migration.c')

diff --git a/migration/migration.c b/migration/migration.c
index 19409e6790..dc7db8751d 100644
--- a/migration/migration.c
+++ b/migration/migration.c
@@ -611,8 +611,11 @@ bool migrate_zero_blocks(void)
 
 bool migrate_use_compression(void)
 {
-    /* Disable compression before the patch series are applied */
-    return false;
+    MigrationState *s;
+
+    s = migrate_get_current();
+
+    return s->enabled_capabilities[MIGRATION_CAPABILITY_COMPRESS];
 }
 
 int migrate_compress_level(void)
-- 
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