Hi, Please review the patchset which has quite small change, :). Thanks, Guoqing Guoqing Jiang (5): md: register new md sysfs file 'uuid' read-only md/raid5: remove the redundant setting of STRIPE_HANDLE md: print errno in super_written raid5-cache: hold spinlock instead of mutex in r5c_journal_mode_show raid5: don't duplicate code for different paths in handle_stripe Documentation/admin-guide/md.rst | 4 ++++ drivers/md/md.c | 12 +++++++++++- drivers/md/raid5-cache.c | 9 +++------ drivers/md/raid5.c | 17 +++++------------ 4 files changed, 23 insertions(+), 19 deletions(-) -- 2.17.1