On 01/05/2016 08:41 PM, Junxiao Bi wrote: > This fixed part of the deadlock. There is another part. > ocfs2_mknod()->posix_acl_create()->ocfs2_iop_get_acl() Right. It used to be: ocfs2_mknod -> ocfs2_init_acl -> ocfs2_get_acl_nolock. Thanks -Tariq