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blockdev: open images with BDRV_O_INCOMING on incoming live migration

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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>
This commit is contained in:
Benoît Canet 2012-03-23 08:36:50 +01:00 committed by Kevin Wolf
parent 077892696b
commit ed9d4205ce
1 changed files with 4 additions and 0 deletions
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blockdev.c
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@ -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;