1149 static int can_open_delegated(struct nfs_delegation *delegation, fmode_t fmode)  in can_open_delegated()  argument
1151 	if (delegation == NULL)  in can_open_delegated()
1153 	if ((delegation->type & fmode) != fmode)  in can_open_delegated()
1155 	if (test_bit(NFS_DELEGATION_NEED_RECLAIM, &delegation->flags))  in can_open_delegated()
1157 	if (test_bit(NFS_DELEGATION_RETURNING, &delegation->flags))  in can_open_delegated()
1159 	nfs_mark_delegation_referenced(delegation);  in can_open_delegated()
1300 …teid(struct nfs4_state *state, nfs4_stateid *open_stateid, nfs4_stateid *delegation, fmode_t fmode)  in update_open_stateid()  argument
1309 	deleg_cur = rcu_dereference(nfsi->delegation);  in update_open_stateid()
1314 	if (rcu_dereference(nfsi->delegation) != deleg_cur ||  in update_open_stateid()
1319 	if (delegation == NULL)  in update_open_stateid()
1320 		delegation = &deleg_cur->stateid;  in update_open_stateid()
1321 	else if (!nfs4_stateid_match(&deleg_cur->stateid, delegation))  in update_open_stateid()
1362 	struct nfs_delegation *delegation;  in nfs4_return_incompatible_delegation()  local
1365 	delegation = rcu_dereference(NFS_I(inode)->delegation);  in nfs4_return_incompatible_delegation()
1366 	if (delegation == NULL || (delegation->type & fmode) == fmode) {  in nfs4_return_incompatible_delegation()
1378 	struct nfs_delegation *delegation;  in nfs4_try_open_cached()  local
1393 		delegation = rcu_dereference(nfsi->delegation);  in nfs4_try_open_cached()
1394 		if (!can_open_delegated(delegation, fmode)) {  in nfs4_try_open_cached()
1399 		nfs4_stateid_copy(&stateid, &delegation->stateid);  in nfs4_try_open_cached()
1424 	struct nfs_delegation *delegation;  in nfs4_opendata_check_deleg()  local
1428 	delegation = rcu_dereference(NFS_I(state->inode)->delegation);  in nfs4_opendata_check_deleg()
1429 	if (delegation)  in nfs4_opendata_check_deleg()
1430 		delegation_flags = delegation->flags;  in nfs4_opendata_check_deleg()
1638 	struct nfs_delegation *delegation;  in _nfs4_do_open_reclaim()  local
1648 	delegation = rcu_dereference(NFS_I(state->inode)->delegation);  in _nfs4_do_open_reclaim()
1649 	if (delegation != NULL && test_bit(NFS_DELEGATION_NEED_RECLAIM, &delegation->flags) != 0)  in _nfs4_do_open_reclaim()
1650 		delegation_type = delegation->type;  in _nfs4_do_open_reclaim()
1750 	nfs4_stateid_copy(&opendata->o_arg.u.delegation, stateid);  in nfs4_open_delegation_recall()
1857 		struct nfs_delegation *delegation;  in nfs4_open_prepare()  local
1862 		delegation = rcu_dereference(NFS_I(data->state->inode)->delegation);  in nfs4_open_prepare()
1865 		    can_open_delegated(delegation, data->o_arg.fmode))  in nfs4_open_prepare()
2192 	if (rcu_access_pointer(NFS_I(state->inode)->delegation) != NULL)  in nfs40_clear_delegation_stateid()
2208 	struct nfs_delegation *delegation;  in nfs41_check_delegation_stateid()  local
2214 	delegation = rcu_dereference(NFS_I(state->inode)->delegation);  in nfs41_check_delegation_stateid()
2215 	if (delegation == NULL) {  in nfs41_check_delegation_stateid()
2220 	nfs4_stateid_copy(&stateid, &delegation->stateid);  in nfs41_check_delegation_stateid()
2221 	cred = get_rpccred(delegation->cred);  in nfs41_check_delegation_stateid()