migrate_init: Call from savevm

Suspend to file is very much like a migrate, and it makes life
easier if we have the Migration state available, so initialise it
in the savevm.c code for suspending.

Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Reviewd-by: Amit Shah <amit.shah@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>

2 files changed, 3 insertions, 1 deletions

diff --git a/migration/migration.c b/migration/migration.c
index 6fef5445c9..82efbeb772 100644
--- a/migration/migration.c
+++ b/migration/migration.c
@@ -682,7 +682,7 @@ bool migration_has_failed(MigrationState *s)
             s->state == MIGRATION_STATUS_FAILED);
 }
 
-static MigrationState *migrate_init(const MigrationParams *params)
+MigrationState *migrate_init(const MigrationParams *params)
 {
     MigrationState *s = migrate_get_current();
     int64_t bandwidth_limit = s->bandwidth_limit;
diff --git a/migration/savevm.c b/migration/savevm.c
index 638aa1f612..9dc57d3fd9 100644
--- a/migration/savevm.c
+++ b/migration/savevm.c
@@ -922,6 +922,8 @@ static int qemu_savevm_state(QEMUFile *f, Error **errp)
         .blk = 0,
         .shared = 0
     };
+    MigrationState *ms = migrate_init(&params);
+    ms->file = f;
 
     if (qemu_savevm_state_blocked(errp)) {
         return -EINVAL;