From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:48412) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1avMLg-0005AD-Ei for qemu-devel@nongnu.org; Wed, 27 Apr 2016 06:05:37 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1avMLf-0004Tv-Ku for qemu-devel@nongnu.org; Wed, 27 Apr 2016 06:05:36 -0400 Received: from mx1.redhat.com ([209.132.183.28]:40437) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1avMLf-0004Tj-Af for qemu-devel@nongnu.org; Wed, 27 Apr 2016 06:05:35 -0400 Received: from int-mx13.intmail.prod.int.phx2.redhat.com (int-mx13.intmail.prod.int.phx2.redhat.com [10.5.11.26]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 0BBD7C062CE7 for ; Wed, 27 Apr 2016 10:05:35 +0000 (UTC) From: "Daniel P. Berrange" Date: Wed, 27 Apr 2016 11:04:57 +0100 Message-Id: <1461751518-12128-8-git-send-email-berrange@redhat.com> In-Reply-To: <1461751518-12128-1-git-send-email-berrange@redhat.com> References: <1461751518-12128-1-git-send-email-berrange@redhat.com> Subject: [Qemu-devel] [PATCH v6 for-2.7 07/28] migration: force QEMUFile to blocking mode for outgoing migration List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: "Dr. David Alan Gilbert" , Amit Shah , Juan Quintela , "Daniel P. Berrange" 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 --- migration/migration.c | 1 + 1 file changed, 1 insertion(+) diff --git a/migration/migration.c b/migration/migration.c index 10968ef..4732915 100644 --- a/migration/migration.c +++ b/migration/migration.c @@ -1769,6 +1769,7 @@ 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); -- 2.5.5