629 	struct nfs4_clnt_odstate *co;  in alloc_clnt_odstate()  local
631 	co = kmem_cache_zalloc(odstate_slab, GFP_KERNEL);  in alloc_clnt_odstate()
632 	if (co) {  in alloc_clnt_odstate()
633 		co->co_client = clp;  in alloc_clnt_odstate()
634 		refcount_set(&co->co_odcount, 1);  in alloc_clnt_odstate()
636 	return co;  in alloc_clnt_odstate()
640 hash_clnt_odstate_locked(struct nfs4_clnt_odstate *co)  in hash_clnt_odstate_locked()  argument
642 	struct nfs4_file *fp = co->co_file;  in hash_clnt_odstate_locked()
645 	list_add(&co->co_perfile, &fp->fi_clnt_odstate);  in hash_clnt_odstate_locked()
649 get_clnt_odstate(struct nfs4_clnt_odstate *co)  in get_clnt_odstate()  argument
651 	if (co)  in get_clnt_odstate()
652 		refcount_inc(&co->co_odcount);  in get_clnt_odstate()
656 put_clnt_odstate(struct nfs4_clnt_odstate *co)  in put_clnt_odstate()  argument
660 	if (!co)  in put_clnt_odstate()
663 	fp = co->co_file;  in put_clnt_odstate()
664 	if (refcount_dec_and_lock(&co->co_odcount, &fp->fi_lock)) {  in put_clnt_odstate()
665 		list_del(&co->co_perfile);  in put_clnt_odstate()
668 		nfsd4_return_all_file_layouts(co->co_client, fp);  in put_clnt_odstate()
669 		kmem_cache_free(odstate_slab, co);  in put_clnt_odstate()
676 	struct nfs4_clnt_odstate *co;  in find_or_hash_clnt_odstate()  local
685 	list_for_each_entry(co, &fp->fi_clnt_odstate, co_perfile) {  in find_or_hash_clnt_odstate()
686 		if (co->co_client == cl) {  in find_or_hash_clnt_odstate()
687 			get_clnt_odstate(co);  in find_or_hash_clnt_odstate()
691 	co = new;  in find_or_hash_clnt_odstate()
692 	co->co_file = fp;  in find_or_hash_clnt_odstate()
696 	return co;  in find_or_hash_clnt_odstate()