Hi all, this series contains some random fixes and cleanups to mballoc which include correct grp validation, fix data overflow and so on. More details can be found in respective patches. Besides, 'kvm-xfstest smoke' runs successfully without error. Thanks! Kemeng Shi (10): ext4: correct grp validation in ext4_mb_good_group ext4: avoid potential data overflow in next_linear_group ext4: return found group directly in ext4_mb_choose_next_group_p2_aligned ext4: use is_power_of_2 helper in ext4_mb_regular_allocator ext4: remove unnecessary return for void function ext4: replace the traditional ternary conditional operator with with max()/min() ext4: remove unused ext4_{set}/{clear}_bit_atomic ext4: return found group directly in ext4_mb_choose_next_group_goal_fast ext4: return found group directly in ext4_mb_choose_next_group_best_avail ext4: correct some stale comment of criteria fs/ext4/ext4.h | 2 -- fs/ext4/mballoc.c | 85 ++++++++++++++++++----------------------------- 2 files changed, 32 insertions(+), 55 deletions(-) -- 2.30.0