1375 static int can_open_delegated(struct nfs_delegation *delegation, fmode_t fmode,  in can_open_delegated()  argument
1378 	if (delegation == NULL)  in can_open_delegated()
1380 	if ((delegation->type & fmode) != fmode)  in can_open_delegated()
1382 	if (test_bit(NFS_DELEGATION_RETURNING, &delegation->flags))  in can_open_delegated()
1389 		if (!test_bit(NFS_DELEGATION_NEED_RECLAIM, &delegation->flags))  in can_open_delegated()
1395 	nfs_mark_delegation_referenced(delegation);  in can_open_delegated()
1650 		const nfs4_stateid *delegation,  in update_open_stateid()  argument
1669 	deleg_cur = rcu_dereference(nfsi->delegation);  in update_open_stateid()
1674 	if (rcu_dereference(nfsi->delegation) != deleg_cur ||  in update_open_stateid()
1679 	if (delegation == NULL)  in update_open_stateid()
1680 		delegation = &deleg_cur->stateid;  in update_open_stateid()
1681 	else if (!nfs4_stateid_match(&deleg_cur->stateid, delegation))  in update_open_stateid()
1724 	struct nfs_delegation *delegation;  in nfs4_return_incompatible_delegation()  local
1728 	delegation = rcu_dereference(NFS_I(inode)->delegation);  in nfs4_return_incompatible_delegation()
1729 	if (delegation == NULL || (delegation->type & fmode) == fmode) {  in nfs4_return_incompatible_delegation()
1741 	struct nfs_delegation *delegation;  in nfs4_try_open_cached()  local
1757 		delegation = rcu_dereference(nfsi->delegation);  in nfs4_try_open_cached()
1758 		if (!can_open_delegated(delegation, fmode, claim)) {  in nfs4_try_open_cached()
1763 		nfs4_stateid_copy(&stateid, &delegation->stateid);  in nfs4_try_open_cached()
1788 	struct nfs_delegation *delegation;  in nfs4_opendata_check_deleg()  local
1792 	delegation = rcu_dereference(NFS_I(state->inode)->delegation);  in nfs4_opendata_check_deleg()
1793 	if (delegation)  in nfs4_opendata_check_deleg()
1794 		delegation_flags = delegation->flags;  in nfs4_opendata_check_deleg()
1811 				&data->o_res.delegation,  in nfs4_opendata_check_deleg()
1817 				&data->o_res.delegation,  in nfs4_opendata_check_deleg()
1822 						  &data->o_res.delegation);  in nfs4_opendata_check_deleg()
2036 	struct nfs_delegation *delegation;  in _nfs4_do_open_reclaim()  local
2046 	delegation = rcu_dereference(NFS_I(state->inode)->delegation);  in _nfs4_do_open_reclaim()
2047 	if (delegation != NULL && test_bit(NFS_DELEGATION_NEED_RECLAIM, &delegation->flags) != 0)  in _nfs4_do_open_reclaim()
2048 		delegation_type = delegation->type;  in _nfs4_do_open_reclaim()
2155 	nfs4_stateid_copy(&opendata->o_arg.u.delegation, stateid);  in nfs4_open_delegation_recall()
2277 		struct nfs_delegation *delegation;  in nfs4_open_prepare()  local
2282 		delegation = rcu_dereference(NFS_I(data->state->inode)->delegation);  in nfs4_open_prepare()
2283 		if (can_open_delegated(delegation, data->o_arg.fmode, claim))  in nfs4_open_prepare()
2614 	if (rcu_access_pointer(NFS_I(state->inode)->delegation) != NULL)  in nfs40_clear_delegation_stateid()
2668 	struct nfs_delegation *delegation;  in nfs41_check_delegation_stateid()  local
2674 	delegation = rcu_dereference(NFS_I(state->inode)->delegation);  in nfs41_check_delegation_stateid()
2675 	if (delegation == NULL) {  in nfs41_check_delegation_stateid()
2681 	nfs4_stateid_copy(&stateid, &delegation->stateid);  in nfs41_check_delegation_stateid()
2682 	if (test_bit(NFS_DELEGATION_REVOKED, &delegation->flags)) {  in nfs41_check_delegation_stateid()
2689 				&delegation->flags)) {  in nfs41_check_delegation_stateid()
2694 	cred = get_rpccred(delegation->cred);  in nfs41_check_delegation_stateid()