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[Qemu-devel] [PULL 07/28] migration: force QEMUFile to blocking mode for

From: Amit Shah
Subject: [Qemu-devel] [PULL 07/28] migration: force QEMUFile to blocking mode for outgoing migration
Date: Thu, 26 May 2016 11:41:58 +0530

From: "Daniel P. Berrange" <address@hidden>

Instead of relying on the default QEMUFile I/O blocking flag
state, explicitly turn on blocking I/O for outgoing migration
since it takes place in a background thread.

Reviewed-by: Dr. David Alan Gilbert <address@hidden>
Signed-off-by: Daniel P. Berrange <address@hidden>
Reviewed-by: Juan Quintela <address@hidden>
Message-Id: <address@hidden>
Signed-off-by: Amit Shah <address@hidden>
 migration/migration.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/migration/migration.c b/migration/migration.c
index ac7790f..c8d10ee 100644
--- a/migration/migration.c
+++ b/migration/migration.c
@@ -1791,6 +1791,7 @@ void migrate_fd_connect(MigrationState *s)
     s->expected_downtime = max_downtime/1000000;
     s->cleanup_bh = qemu_bh_new(migrate_fd_cleanup, s);
+    qemu_file_set_blocking(s->to_dst_file, true);
                              s->bandwidth_limit / XFER_LIMIT_RATIO);

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