Sorry for the late update as I was busy on my own things. This series covers more function to mark on-disk bitmap. Besides, some code which is relevant to buddy cache is also tested. Before more work is done, I want to be sure I'm not on a wrong direction! Kemeng Shi (5): ext4: Add unit test for test_free_blocks_simple ext4: Add unit test of ext4_mb_generate_buddy ext4: Add unit test for mb_mark_used ext4: Add unit test for mb_free_blocks ext4: Add unit test for ext4_mb_mark_diskspace_used fs/ext4/mballoc-test.c | 504 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 504 insertions(+) -- 2.30.0