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