For bitmaps that we succeeded in loading, we can cache a reference to that object. This will let us iterate over the more convenient form of in-memory bitmaps for qemu-img bitmap manipulation tools.
Signed-off-by: John Snow <js...@redhat.com> --- block/qcow2-bitmap.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/block/qcow2-bitmap.c b/block/qcow2-bitmap.c index 5ae9b17928..d94b6bd5cf 100644 --- a/block/qcow2-bitmap.c +++ b/block/qcow2-bitmap.c @@ -981,6 +981,7 @@ bool qcow2_load_dirty_bitmaps(BlockDriverState *bs, Error **errp) if (bitmap == NULL) { goto fail; } + bm->dirty_bitmap = bitmap; if (!(bm->flags & BME_FLAG_AUTO)) { bdrv_disable_dirty_bitmap(bitmap); @@ -1382,6 +1383,7 @@ void qcow2_store_persistent_dirty_bitmaps(BlockDriverState *bs, Error **errp) bm->name = g_strdup(name); QSIMPLEQ_INSERT_TAIL(bm_list, bm, entry); } else { + assert(bitmap == bm->dirty_bitmap); if (!(bm->flags & BME_FLAG_IN_USE)) { error_setg(errp, "Bitmap '%s' already exists in the image", name); -- 2.14.3