== sanity test 31j: link for directory==================== 11:05:22 (1730822722)
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