Hi all There are two main changes in the patch set. The first is to change ->active_io to percpu(patch02). The second one is adding a counter for io_acct(patch03). Xiao Ni (4): Factor out is_md_suspended helper Change active_io to percpu Add mddev->io_acct_cnt for raid0_quiesce Free writes_pending in md_stop drivers/md/md.c | 69 ++++++++++++++++++++++++++++++++++------------ drivers/md/md.h | 11 +++++--- drivers/md/raid0.c | 6 ++++ 3 files changed, 65 insertions(+), 21 deletions(-) -- 2.32.0 (Apple Git-132)