From 9e4d2b98ee98f4cee50d671e500eceeefa751ee0 Mon Sep 17 00:00:00 2001 From: "Daniel P. Berrange" Date: Wed, 27 Apr 2016 11:04:57 +0100 Subject: [PATCH] migration: force QEMUFile to blocking mode for outgoing migration 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 Signed-off-by: Daniel P. Berrange Reviewed-by: Juan Quintela Message-Id: <1461751518-12128-8-git-send-email-berrange@redhat.com> Signed-off-by: Amit Shah --- migration/migration.c | 1 + 1 file changed, 1 insertion(+) diff --git a/migration/migration.c b/migration/migration.c index ac7790f8af..c8d10ee15a 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); qemu_file_set_rate_limit(s->to_dst_file, s->bandwidth_limit / XFER_LIMIT_RATIO);