[Qemu-devel] [PATCH V2 3/7] blockdev: open images with BDRV_O_INCOMING on incoming live migration

[Benoît Canet]

Open images with BDRV_O_INCOMING in order to inform block drivers
that an incoming live migration is coming.

Signed-off-by: Benoit Canet <address@hidden>
---
 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