drive and blockdev backup cannot use readonly bitmaps, because the
sync=incremental mechanism actually edits the bitmaps on success.
If you really want to do this operation, use a copied bitmap.
Signed-off-by: John Snow <js...@redhat.com>
Reviewed-by: Eric Blake <ebl...@redhat.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsement...@virtuozzo.com>
Message-id: 20190301191545.8728-5-js...@redhat.com
Signed-off-by: John Snow <js...@redhat.com>
---
blockdev.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/blockdev.c b/blockdev.c
index 455ab806b2..c6c7a64bfc 100644
--- a/blockdev.c
+++ b/blockdev.c
@@ -3533,7 +3533,7 @@ static BlockJob *do_drive_backup(DriveBackup *backup,
JobTxn *txn,
bdrv_unref(target_bs);
goto out;
}
- if (bdrv_dirty_bitmap_check(bmap, BDRV_BITMAP_ALLOW_RO, errp)) {
+ if (bdrv_dirty_bitmap_check(bmap, BDRV_BITMAP_DEFAULT, errp)) {
goto out;
}
}
@@ -3643,7 +3643,7 @@ BlockJob *do_blockdev_backup(BlockdevBackup *backup,
JobTxn *txn,
error_setg(errp, "Bitmap '%s' could not be found", backup->bitmap);
goto out;
}
- if (bdrv_dirty_bitmap_check(bmap, BDRV_BITMAP_ALLOW_RO, errp)) {
+ if (bdrv_dirty_bitmap_check(bmap, BDRV_BITMAP_DEFAULT, errp)) {
goto out;
}
}
--
2.17.2
