== sanity test 31j: link for directory==================== 05:52:19 (1721382739)
ln: '/mnt/lustre/d31j.sanity/dir1': hard link not allowed for directory
link: cannot create link '/mnt/lustre/d31j.sanity/dir3' to '/mnt/lustre/d31j.sanity/dir1': Operation not permitted
link(/mnt/lustre/d31j.sanity/dir1, /mnt/lustre/d31j.sanity/dir4) error: Operation not permitted
link(/mnt/lustre/d31j.sanity/dir1, /mnt/lustre/d31j.sanity/dir1) error: File exists