From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([208.118.235.92]:58665) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1SANpm-0007kQ-5r for qemu-devel@nongnu.org; Wed, 21 Mar 2012 11:52:26 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1SANpb-00032z-NL for qemu-devel@nongnu.org; Wed, 21 Mar 2012 11:52:21 -0400 Received: from mail-we0-f173.google.com ([74.125.82.173]:34952) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1SANpb-00030p-Ep for qemu-devel@nongnu.org; Wed, 21 Mar 2012 11:52:11 -0400 Received: by werp12 with SMTP id p12so1247284wer.4 for ; Wed, 21 Mar 2012 08:52:09 -0700 (PDT) From: =?UTF-8?q?Beno=C3=AEt=20Canet?= Date: Wed, 21 Mar 2012 16:52:00 +0100 Message-Id: <1332345124-381-4-git-send-email-benoit.canet@gmail.com> In-Reply-To: <1332345124-381-1-git-send-email-benoit.canet@gmail.com> References: <1332345124-381-1-git-send-email-benoit.canet@gmail.com> Subject: [Qemu-devel] [PATCH V2 3/7] blockdev: open images with BDRV_O_INCOMING on incoming live migration List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: kwolf@redhat.com, pbonzini@redhat.com, =?UTF-8?q?Beno=C3=AEt=20Canet?= , stefanha@linux.vnet.ibm.com Open images with BDRV_O_INCOMING in order to inform block drivers that an incoming live migration is coming. Signed-off-by: Benoit Canet --- blockdev.c | 4 ++++ 1 files changed, 4 insertions(+), 0 deletions(-) diff --git a/blockdev.c b/blockdev.c index 1a500b8..9b57133 100644 --- a/blockdev.c +++ b/blockdev.c @@ -591,6 +591,10 @@ DriveInfo *drive_init(QemuOpts *opts, int default_to_scsi) bdrv_flags |= BDRV_O_COPY_ON_READ; } + if (runstate_check(RUN_STATE_INMIGRATE)) { + bdrv_flags |= BDRV_O_INCOMING; + } + if (media == MEDIA_CDROM) { /* CDROM is fine for any interface, don't check. */ ro = 1; -- 1.7.7.6