Hello, The 1st patch fixes declaration of debugfs_rename for avoiding warning caused by the 2nd patch. The 2nd patch fixes warning of "Directory XXXXX with parent 'block' already present!" Ming Lei (2): debugfs: fix declaration of debugfs_rename block: fix "Directory XXXXX with parent 'block' already present!" block/blk-core.c | 4 ++++ block/blk-sysfs.c | 4 ++-- block/genhd.c | 8 ++++++++ include/linux/debugfs.h | 2 +- 4 files changed, 15 insertions(+), 3 deletions(-) -- 2.31.1