1241 static int can_open_delegated(struct nfs_delegation *delegation, fmode_t fmode,  in can_open_delegated()  argument
1244 	if (delegation == NULL)  in can_open_delegated()
1246 	if ((delegation->type & fmode) != fmode)  in can_open_delegated()
1248 	if (test_bit(NFS_DELEGATION_RETURNING, &delegation->flags))  in can_open_delegated()
1255 		if (!test_bit(NFS_DELEGATION_NEED_RECLAIM, &delegation->flags))  in can_open_delegated()
1260 	nfs_mark_delegation_referenced(delegation);  in can_open_delegated()
1401 …teid(struct nfs4_state *state, nfs4_stateid *open_stateid, nfs4_stateid *delegation, fmode_t fmode)  in update_open_stateid()  argument
1410 	deleg_cur = rcu_dereference(nfsi->delegation);  in update_open_stateid()
1415 	if (rcu_dereference(nfsi->delegation) != deleg_cur ||  in update_open_stateid()
1420 	if (delegation == NULL)  in update_open_stateid()
1421 		delegation = &deleg_cur->stateid;  in update_open_stateid()
1422 	else if (!nfs4_stateid_match(&deleg_cur->stateid, delegation))  in update_open_stateid()
1463 	struct nfs_delegation *delegation;  in nfs4_return_incompatible_delegation()  local
1466 	delegation = rcu_dereference(NFS_I(inode)->delegation);  in nfs4_return_incompatible_delegation()
1467 	if (delegation == NULL || (delegation->type & fmode) == fmode) {  in nfs4_return_incompatible_delegation()
1479 	struct nfs_delegation *delegation;  in nfs4_try_open_cached()  local
1495 		delegation = rcu_dereference(nfsi->delegation);  in nfs4_try_open_cached()
1496 		if (!can_open_delegated(delegation, fmode, claim)) {  in nfs4_try_open_cached()
1501 		nfs4_stateid_copy(&stateid, &delegation->stateid);  in nfs4_try_open_cached()
1526 	struct nfs_delegation *delegation;  in nfs4_opendata_check_deleg()  local
1530 	delegation = rcu_dereference(NFS_I(state->inode)->delegation);  in nfs4_opendata_check_deleg()
1531 	if (delegation)  in nfs4_opendata_check_deleg()
1532 		delegation_flags = delegation->flags;  in nfs4_opendata_check_deleg()
1737 	struct nfs_delegation *delegation;  in _nfs4_do_open_reclaim()  local
1747 	delegation = rcu_dereference(NFS_I(state->inode)->delegation);  in _nfs4_do_open_reclaim()
1748 	if (delegation != NULL && test_bit(NFS_DELEGATION_NEED_RECLAIM, &delegation->flags) != 0)  in _nfs4_do_open_reclaim()
1749 		delegation_type = delegation->type;  in _nfs4_do_open_reclaim()
1852 	nfs4_stateid_copy(&opendata->o_arg.u.delegation, stateid);  in nfs4_open_delegation_recall()
1977 		struct nfs_delegation *delegation;  in nfs4_open_prepare()  local
1982 		delegation = rcu_dereference(NFS_I(data->state->inode)->delegation);  in nfs4_open_prepare()
1983 		if (can_open_delegated(delegation, data->o_arg.fmode, claim))  in nfs4_open_prepare()
2312 	if (rcu_access_pointer(NFS_I(state->inode)->delegation) != NULL)  in nfs40_clear_delegation_stateid()
2328 	struct nfs_delegation *delegation;  in nfs41_check_delegation_stateid()  local
2334 	delegation = rcu_dereference(NFS_I(state->inode)->delegation);  in nfs41_check_delegation_stateid()
2335 	if (delegation == NULL) {  in nfs41_check_delegation_stateid()
2340 	nfs4_stateid_copy(&stateid, &delegation->stateid);  in nfs41_check_delegation_stateid()
2341 	cred = get_rpccred(delegation->cred);  in nfs41_check_delegation_stateid()