From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:36325) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZXWdO-0005U3-O7 for qemu-devel@nongnu.org; Thu, 03 Sep 2015 11:41:10 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ZXWdJ-0008AJ-Jj for qemu-devel@nongnu.org; Thu, 03 Sep 2015 11:41:06 -0400 Received: from mx1.redhat.com ([209.132.183.28]:41969) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZXWdJ-00089s-3r for qemu-devel@nongnu.org; Thu, 03 Sep 2015 11:41:01 -0400 Received: from int-mx13.intmail.prod.int.phx2.redhat.com (int-mx13.intmail.prod.int.phx2.redhat.com [10.5.11.26]) by mx1.redhat.com (Postfix) with ESMTPS id D069BC0AAB0F for ; Thu, 3 Sep 2015 15:41:00 +0000 (UTC) From: "Daniel P. Berrange" Date: Thu, 3 Sep 2015 16:39:17 +0100 Message-Id: <1441294768-8712-36-git-send-email-berrange@redhat.com> In-Reply-To: <1441294768-8712-1-git-send-email-berrange@redhat.com> References: <1441294768-8712-1-git-send-email-berrange@redhat.com> Subject: [Qemu-devel] [PATCH FYI 35/46] 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: Juan Quintela , "Dr. David Alan Gilbert" , Gerd Hoffmann , Amit Shah , Paolo Bonzini 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. 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 83a3960..aa24a7a 100644 --- a/migration/migration.c +++ b/migration/migration.c @@ -1034,6 +1034,7 @@ void migrate_fd_connect(MigrationState *s) s->expected_downtime = max_downtime/1000000; s->cleanup_bh = qemu_bh_new(migrate_fd_cleanup, s); + qemu_fset_blocking(s->file, true); qemu_file_set_rate_limit(s->file, s->bandwidth_limit / XFER_LIMIT_RATIO); -- 2.4.3