From: Marcelo Tosatti <mtosa...@redhat.com>
So that ejection of attached device by guest does not free data
in use by block migration instance.
Signed-off-by: Marcelo Tosatti <mtosa...@redhat.com>
CC: Markus Armbruster <arm...@redhat.com>
Signed-off-by: Kevin Wolf <kw...@redhat.com>
---
block-migration.c | 3 +++
1 files changed, 3 insertions(+), 0 deletions(-)
diff --git a/block-migration.c b/block-migration.c
index 483ca7b..323e1e2 100644
--- a/block-migration.c
+++ b/block-migration.c
@@ -19,6 +19,7 @@
#include "monitor.h"
#include "block-migration.h"
#include "migration.h"
+#include "blockdev.h"
#include <assert.h>
#define BLOCK_SIZE (BDRV_SECTORS_PER_DIRTY_CHUNK << BDRV_SECTOR_BITS)
@@ -299,6 +300,7 @@ static void init_blk_migration_it(void *opaque,
BlockDriverState *bs)
bmds->completed_sectors = 0;
bmds->shared_base = block_mig_state.shared_base;
alloc_aio_bitmap(bmds);
+ drive_get_ref(drive_get_by_blockdev(bs));
block_mig_state.total_sector_sum += sectors;
@@ -537,6 +539,7 @@ static void blk_mig_cleanup(Monitor *mon)
while ((bmds = QSIMPLEQ_FIRST(&block_mig_state.bmds_list)) != NULL) {
QSIMPLEQ_REMOVE_HEAD(&block_mig_state.bmds_list, entry);
+ drive_put_ref(drive_get_by_blockdev(bmds->bs));
qemu_free(bmds->aio_bitmap);
qemu_free(bmds);
}
--
1.7.2.3
