1436 static int can_open_delegated(struct nfs_delegation *delegation, fmode_t fmode,  in can_open_delegated()  argument
1439 	if (delegation == NULL)  in can_open_delegated()
1441 	if ((delegation->type & fmode) != fmode)  in can_open_delegated()
1448 		if (!test_bit(NFS_DELEGATION_NEED_RECLAIM, &delegation->flags))  in can_open_delegated()
1454 	nfs_mark_delegation_referenced(delegation);  in can_open_delegated()
1721 		const nfs4_stateid *delegation,  in update_open_stateid()  argument
1740 	deleg_cur = rcu_dereference(nfsi->delegation);  in update_open_stateid()
1745 	if (rcu_dereference(nfsi->delegation) != deleg_cur ||  in update_open_stateid()
1750 	if (delegation == NULL)  in update_open_stateid()
1751 		delegation = &deleg_cur->stateid;  in update_open_stateid()
1752 	else if (!nfs4_stateid_match(&deleg_cur->stateid, delegation))  in update_open_stateid()
1795 	struct nfs_delegation *delegation;  in nfs4_return_incompatible_delegation()  local
1799 	delegation = rcu_dereference(NFS_I(inode)->delegation);  in nfs4_return_incompatible_delegation()
1800 	if (delegation == NULL || (delegation->type & fmode) == fmode) {  in nfs4_return_incompatible_delegation()
1811 	struct nfs_delegation *delegation;  in nfs4_try_open_cached()  local
1827 		delegation = nfs4_get_valid_delegation(state->inode);  in nfs4_try_open_cached()
1828 		if (!can_open_delegated(delegation, fmode, claim)) {  in nfs4_try_open_cached()
1833 		nfs4_stateid_copy(&stateid, &delegation->stateid);  in nfs4_try_open_cached()
1858 	struct nfs_delegation *delegation;  in nfs4_opendata_check_deleg()  local
1862 	delegation = rcu_dereference(NFS_I(state->inode)->delegation);  in nfs4_opendata_check_deleg()
1863 	if (delegation)  in nfs4_opendata_check_deleg()
1864 		delegation_flags = delegation->flags;  in nfs4_opendata_check_deleg()
1881 				&data->o_res.delegation,  in nfs4_opendata_check_deleg()
1887 				&data->o_res.delegation,  in nfs4_opendata_check_deleg()
1892 						  &data->o_res.delegation);  in nfs4_opendata_check_deleg()
2122 	struct nfs_delegation *delegation;  in _nfs4_do_open_reclaim()  local
2132 	delegation = rcu_dereference(NFS_I(state->inode)->delegation);  in _nfs4_do_open_reclaim()
2133 	if (delegation != NULL && test_bit(NFS_DELEGATION_NEED_RECLAIM, &delegation->flags) != 0)  in _nfs4_do_open_reclaim()
2134 		delegation_type = delegation->type;  in _nfs4_do_open_reclaim()
2240 	nfs4_stateid_copy(&opendata->o_arg.u.delegation, stateid);  in nfs4_open_delegation_recall()
2365 		struct nfs_delegation *delegation;  in nfs4_open_prepare()  local
2371 		delegation = nfs4_get_valid_delegation(data->state->inode);  in nfs4_open_prepare()
2372 		if (can_open_delegated(delegation, data->o_arg.fmode, claim))  in nfs4_open_prepare()
2704 	if (rcu_access_pointer(NFS_I(state->inode)->delegation) != NULL)  in nfs40_clear_delegation_stateid()
2759 	struct nfs_delegation *delegation;  in nfs41_check_delegation_stateid()  local
2765 	delegation = rcu_dereference(NFS_I(state->inode)->delegation);  in nfs41_check_delegation_stateid()
2766 	if (delegation == NULL) {  in nfs41_check_delegation_stateid()
2772 	nfs4_stateid_copy(&stateid, &delegation->stateid);  in nfs41_check_delegation_stateid()
2775 				&delegation->flags)) {  in nfs41_check_delegation_stateid()
2780 	if (delegation->cred)  in nfs41_check_delegation_stateid()
2781 		cred = get_cred(delegation->cred);  in nfs41_check_delegation_stateid()