Hi, The first one reverts commit 8b48ec23cc51a ("md: don't unregister sync_thread with reconfig_mutex held") since 07reshape5intr is broken because of it. The second one tried another way to fix previous problem. Thanks, Guoqing Guoqing Jiang (2): Revert "md: don't unregister sync_thread with reconfig_mutex held" md: unlock mddev before reap sync_thread in action_store drivers/md/dm-raid.c | 3 ++- drivers/md/md.c | 26 +++++++++++++++----------- drivers/md/md.h | 2 +- 3 files changed, 18 insertions(+), 13 deletions(-) -- 2.31.1