Hello, This patchset contains the following blkcg fixes. 0001-blk-iolatency-clear-use_delay-when-io.latency-is-set.patch 0002-blkcg-update-blkcg_print_stat-to-handle-larger-outpu.patch 0003-blkcg-perpcu_ref-init-exit-should-be-done-from-blkg_.patch 0004-blkcg-blkcg_activate_policy-should-initialize-ancest.patch 0005-blkcg-writeback-dead-memcgs-shouldn-t-contribute-to-.patch Please refer to each patch's description for details. Patchset is also available in the following git branch. git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup.git review-blkcg-fixes Thanks. diffstat follows. block/blk-cgroup.c | 24 ++++++++++++------------ block/blk-iolatency.c | 4 +++- fs/fs-writeback.c | 8 +++++++- 3 files changed, 22 insertions(+), 14 deletions(-) -- tejun