1446 static int can_open_delegated(struct nfs_delegation *delegation, fmode_t fmode,  in can_open_delegated()  argument
1449 	if (delegation == NULL)  in can_open_delegated()
1451 	if ((delegation->type & fmode) != fmode)  in can_open_delegated()
1458 		if (!test_bit(NFS_DELEGATION_NEED_RECLAIM, &delegation->flags))  in can_open_delegated()
1464 	nfs_mark_delegation_referenced(delegation);  in can_open_delegated()
1731 		const nfs4_stateid *delegation,  in update_open_stateid()  argument
1750 	deleg_cur = rcu_dereference(nfsi->delegation);  in update_open_stateid()
1755 	if (rcu_dereference(nfsi->delegation) != deleg_cur ||  in update_open_stateid()
1760 	if (delegation == NULL)  in update_open_stateid()
1761 		delegation = &deleg_cur->stateid;  in update_open_stateid()
1762 	else if (!nfs4_stateid_match(&deleg_cur->stateid, delegation))  in update_open_stateid()
1805 	struct nfs_delegation *delegation;  in nfs4_return_incompatible_delegation()  local
1809 	delegation = rcu_dereference(NFS_I(inode)->delegation);  in nfs4_return_incompatible_delegation()
1810 	if (delegation == NULL || (delegation->type & fmode) == fmode) {  in nfs4_return_incompatible_delegation()
1821 	struct nfs_delegation *delegation;  in nfs4_try_open_cached()  local
1837 		delegation = nfs4_get_valid_delegation(state->inode);  in nfs4_try_open_cached()
1838 		if (!can_open_delegated(delegation, fmode, claim)) {  in nfs4_try_open_cached()
1843 		nfs4_stateid_copy(&stateid, &delegation->stateid);  in nfs4_try_open_cached()
1868 	struct nfs_delegation *delegation;  in nfs4_opendata_check_deleg()  local
1872 	delegation = rcu_dereference(NFS_I(state->inode)->delegation);  in nfs4_opendata_check_deleg()
1873 	if (delegation)  in nfs4_opendata_check_deleg()
1874 		delegation_flags = delegation->flags;  in nfs4_opendata_check_deleg()
1891 				&data->o_res.delegation,  in nfs4_opendata_check_deleg()
1897 				&data->o_res.delegation,  in nfs4_opendata_check_deleg()
1902 						  &data->o_res.delegation);  in nfs4_opendata_check_deleg()
2132 	struct nfs_delegation *delegation;  in _nfs4_do_open_reclaim()  local
2142 	delegation = rcu_dereference(NFS_I(state->inode)->delegation);  in _nfs4_do_open_reclaim()
2143 	if (delegation != NULL && test_bit(NFS_DELEGATION_NEED_RECLAIM, &delegation->flags) != 0)  in _nfs4_do_open_reclaim()
2144 		delegation_type = delegation->type;  in _nfs4_do_open_reclaim()
2249 	nfs4_stateid_copy(&opendata->o_arg.u.delegation, stateid);  in nfs4_open_delegation_recall()
2374 		struct nfs_delegation *delegation;  in nfs4_open_prepare()  local
2380 		delegation = nfs4_get_valid_delegation(data->state->inode);  in nfs4_open_prepare()
2381 		if (can_open_delegated(delegation, data->o_arg.fmode, claim))  in nfs4_open_prepare()
2713 	if (rcu_access_pointer(NFS_I(state->inode)->delegation) != NULL)  in nfs40_clear_delegation_stateid()
2768 	struct nfs_delegation *delegation;  in nfs41_check_delegation_stateid()  local
2774 	delegation = rcu_dereference(NFS_I(state->inode)->delegation);  in nfs41_check_delegation_stateid()
2775 	if (delegation == NULL) {  in nfs41_check_delegation_stateid()
2781 	nfs4_stateid_copy(&stateid, &delegation->stateid);  in nfs41_check_delegation_stateid()
2784 				&delegation->flags)) {  in nfs41_check_delegation_stateid()
2789 	if (delegation->cred)  in nfs41_check_delegation_stateid()
2790 		cred = get_cred(delegation->cred);  in nfs41_check_delegation_stateid()