From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:53905) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aeQ50-0007pY-7V for qemu-devel@nongnu.org; Fri, 11 Mar 2016 11:38:23 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1aeQ4w-0005LP-5Z for qemu-devel@nongnu.org; Fri, 11 Mar 2016 11:38:22 -0500 Received: from mx1.redhat.com ([209.132.183.28]:41770) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aeQ4v-0005LC-S0 for qemu-devel@nongnu.org; Fri, 11 Mar 2016 11:38:18 -0500 Received: from int-mx14.intmail.prod.int.phx2.redhat.com (int-mx14.intmail.prod.int.phx2.redhat.com [10.5.11.27]) by mx1.redhat.com (Postfix) with ESMTPS id 7FACA4B0C6 for ; Fri, 11 Mar 2016 16:38:17 +0000 (UTC) From: "Daniel P. Berrange" Date: Fri, 11 Mar 2016 16:37:41 +0000 Message-Id: <1457714282-6981-8-git-send-email-berrange@redhat.com> In-Reply-To: <1457714282-6981-1-git-send-email-berrange@redhat.com> References: <1457714282-6981-1-git-send-email-berrange@redhat.com> Subject: [Qemu-devel] [PATCH v4 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: 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 942c22d..8fdd630 100644 --- a/migration/migration.c +++ b/migration/migration.c @@ -1770,6 +1770,7 @@ 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