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[42/46] blockdev: open images with BDRV_O_INCOMING on incoming live migration

Message ID 1333641144-13612-43-git-send-email-kwolf@redhat.com
State New
Headers show

Commit Message

Kevin Wolf April 5, 2012, 3:52 p.m. UTC 
From: Benoît Canet <benoit.canet@gmail.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 <benoit.canet@gmail.com>
Reviewed-by: Stefan Hajnoczi <stefanha@gmail.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
---
 blockdev.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)
diff mbox

Patch

diff --git a/blockdev.c b/blockdev.c
index 4d17486..0c2440e 100644
--- a/blockdev.c
+++ b/blockdev.c
@@ -595,6 +595,10 @@  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;