From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:36947) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aViHt-000406-MX for qemu-devel@nongnu.org; Tue, 16 Feb 2016 11:15:42 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1aViHp-00021a-9B for qemu-devel@nongnu.org; Tue, 16 Feb 2016 11:15:41 -0500 Received: from mx1.redhat.com ([209.132.183.28]:38154) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aViHp-00021J-28 for qemu-devel@nongnu.org; Tue, 16 Feb 2016 11:15:37 -0500 Received: from int-mx09.intmail.prod.int.phx2.redhat.com (int-mx09.intmail.prod.int.phx2.redhat.com [10.5.11.22]) by mx1.redhat.com (Postfix) with ESMTPS id AF0A2E1B88 for ; Tue, 16 Feb 2016 16:15:36 +0000 (UTC) From: "Daniel P. Berrange" Date: Tue, 16 Feb 2016 16:14:57 +0000 Message-Id: <1455639318-26578-7-git-send-email-berrange@redhat.com> In-Reply-To: <1455639318-26578-1-git-send-email-berrange@redhat.com> References: <1455639318-26578-1-git-send-email-berrange@redhat.com> Subject: [Qemu-devel] [PATCH v2 06/27] 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: Amit Shah , "Dr. David Alan Gilbert" , Juan Quintela 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 3701bd6..cd56000 100644 --- a/migration/migration.c +++ b/migration/migration.c @@ -1746,6 +1746,7 @@ 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); -- 2.5.0