486 	struct nfs4_clnt_odstate *co;  in alloc_clnt_odstate()  local
488 	co = kmem_cache_zalloc(odstate_slab, GFP_KERNEL);  in alloc_clnt_odstate()
489 	if (co) {  in alloc_clnt_odstate()
490 		co->co_client = clp;  in alloc_clnt_odstate()
491 		atomic_set(&co->co_odcount, 1);  in alloc_clnt_odstate()
493 	return co;  in alloc_clnt_odstate()
497 hash_clnt_odstate_locked(struct nfs4_clnt_odstate *co)  in hash_clnt_odstate_locked()  argument
499 	struct nfs4_file *fp = co->co_file;  in hash_clnt_odstate_locked()
502 	list_add(&co->co_perfile, &fp->fi_clnt_odstate);  in hash_clnt_odstate_locked()
506 get_clnt_odstate(struct nfs4_clnt_odstate *co)  in get_clnt_odstate()  argument
508 	if (co)  in get_clnt_odstate()
509 		atomic_inc(&co->co_odcount);  in get_clnt_odstate()
513 put_clnt_odstate(struct nfs4_clnt_odstate *co)  in put_clnt_odstate()  argument
517 	if (!co)  in put_clnt_odstate()
520 	fp = co->co_file;  in put_clnt_odstate()
521 	if (atomic_dec_and_lock(&co->co_odcount, &fp->fi_lock)) {  in put_clnt_odstate()
522 		list_del(&co->co_perfile);  in put_clnt_odstate()
525 		nfsd4_return_all_file_layouts(co->co_client, fp);  in put_clnt_odstate()
526 		kmem_cache_free(odstate_slab, co);  in put_clnt_odstate()
533 	struct nfs4_clnt_odstate *co;  in find_or_hash_clnt_odstate()  local
542 	list_for_each_entry(co, &fp->fi_clnt_odstate, co_perfile) {  in find_or_hash_clnt_odstate()
543 		if (co->co_client == cl) {  in find_or_hash_clnt_odstate()
544 			get_clnt_odstate(co);  in find_or_hash_clnt_odstate()
548 	co = new;  in find_or_hash_clnt_odstate()
549 	co->co_file = fp;  in find_or_hash_clnt_odstate()
553 	return co;  in find_or_hash_clnt_odstate()