The test case block/031 now requires loadable null_blk driver. This series allows it to run with built-in null_blk driver. The first patch prepares for it. The second patch does the change. Shin'ichiro Kawasaki (2): common/null_blk: introduce _have_null_blk_feature block/031: allow to run with built-in null_blk driver common/null_blk | 4 ++++ tests/block/031 | 27 +++++++++++++++++++-------- 2 files changed, 23 insertions(+), 8 deletions(-) -- 2.43.0