45 nfs4_do_check_delegation(struct inode *inode, fmode_t flags, bool mark)  in nfs4_do_check_delegation()  argument
52 	delegation = rcu_dereference(NFS_I(inode)->delegation);  in nfs4_do_check_delegation()
70 int nfs4_have_delegation(struct inode *inode, fmode_t flags)  in nfs4_have_delegation()  argument
72 	return nfs4_do_check_delegation(inode, flags, true);  in nfs4_have_delegation()
79 int nfs4_check_delegation(struct inode *inode, fmode_t flags)  in nfs4_check_delegation()  argument
81 	return nfs4_do_check_delegation(inode, flags, false);  in nfs4_check_delegation()
86 	struct inode *inode = state->inode;  in nfs_delegation_claim_locks()  local
88 	struct file_lock_context *flctx = inode->i_flctx;  in nfs_delegation_claim_locks()
116 static int nfs_delegation_claim_opens(struct inode *inode, const nfs4_stateid *stateid)  in nfs_delegation_claim_opens()  argument
118 	struct nfs_inode *nfsi = NFS_I(inode);  in nfs_delegation_claim_opens()
126 	spin_lock(&inode->i_lock);  in nfs_delegation_claim_opens()
138 		spin_unlock(&inode->i_lock);  in nfs_delegation_claim_opens()
154 	spin_unlock(&inode->i_lock);  in nfs_delegation_claim_opens()
165 void nfs_inode_reclaim_delegation(struct inode *inode, struct rpc_cred *cred,  in nfs_inode_reclaim_delegation()  argument
172 	delegation = rcu_dereference(NFS_I(inode)->delegation);  in nfs_inode_reclaim_delegation()
175 		if (delegation->inode != NULL) {  in nfs_inode_reclaim_delegation()
186 			trace_nfs4_reclaim_delegation(inode, res->delegation_type);  in nfs_inode_reclaim_delegation()
191 			nfs_inode_set_delegation(inode, cred, res);  in nfs_inode_reclaim_delegation()
198 static int nfs_do_return_delegation(struct inode *inode, struct nfs_delegation *delegation, int iss…  in nfs_do_return_delegation()  argument
203 		res = nfs4_proc_delegreturn(inode,  in nfs_do_return_delegation()
211 static struct inode *nfs_delegation_grab_inode(struct nfs_delegation *delegation)  in nfs_delegation_grab_inode()
213 	struct inode *inode = NULL;  in nfs_delegation_grab_inode()  local
216 	if (delegation->inode != NULL)  in nfs_delegation_grab_inode()
217 		inode = igrab(delegation->inode);  in nfs_delegation_grab_inode()
219 	return inode;  in nfs_delegation_grab_inode()
276 	delegation->inode = NULL;  in nfs_detach_delegation_locked()
295 nfs_inode_detach_delegation(struct inode *inode)  in nfs_inode_detach_delegation()  argument
297 	struct nfs_inode *nfsi = NFS_I(inode);  in nfs_inode_detach_delegation()
298 	struct nfs_server *server = NFS_SERVER(inode);  in nfs_inode_detach_delegation()
326 int nfs_inode_set_delegation(struct inode *inode, struct rpc_cred *cred, struct nfs_openres *res)  in nfs_inode_set_delegation()  argument
328 	struct nfs_server *server = NFS_SERVER(inode);  in nfs_inode_set_delegation()
330 	struct nfs_inode *nfsi = NFS_I(inode);  in nfs_inode_set_delegation()
341 	delegation->change_attr = inode->i_version;  in nfs_inode_set_delegation()
343 	delegation->inode = inode;  in nfs_inode_set_delegation()
386 	spin_lock(&inode->i_lock);  in nfs_inode_set_delegation()
388 	spin_unlock(&inode->i_lock);  in nfs_inode_set_delegation()
389 	trace_nfs4_set_delegation(inode, res->delegation_type);  in nfs_inode_set_delegation()
396 		nfs_do_return_delegation(inode, freeme, 0);  in nfs_inode_set_delegation()
403 static int nfs_end_delegation_return(struct inode *inode, struct nfs_delegation *delegation, int is…  in nfs_end_delegation_return()  argument
405 	struct nfs_client *clp = NFS_SERVER(inode)->nfs_client;  in nfs_end_delegation_return()
406 	struct nfs_inode *nfsi = NFS_I(inode);  in nfs_end_delegation_return()
414 		err = nfs_delegation_claim_opens(inode, &delegation->stateid);  in nfs_end_delegation_return()
427 	if (!nfs_detach_delegation(nfsi, delegation, NFS_SERVER(inode)))  in nfs_end_delegation_return()
430 	err = nfs_do_return_delegation(inode, delegation, issync);  in nfs_end_delegation_return()
444 		struct inode *inode;  in nfs_delegation_need_return()  local
447 		inode = delegation->inode;  in nfs_delegation_need_return()
448 		if (inode && list_empty(&NFS_I(inode)->open_files))  in nfs_delegation_need_return()
470 	struct inode *inode;  in nfs_client_return_marked_delegations()  local
482 			inode = nfs_delegation_grab_inode(delegation);  in nfs_client_return_marked_delegations()
483 			if (inode == NULL) {  in nfs_client_return_marked_delegations()
488 			delegation = nfs_start_delegation_return_locked(NFS_I(inode));  in nfs_client_return_marked_delegations()
491 			err = nfs_end_delegation_return(inode, delegation, 0);  in nfs_client_return_marked_delegations()
492 			iput(inode);  in nfs_client_return_marked_delegations()
511 void nfs_inode_return_delegation_noreclaim(struct inode *inode)  in nfs_inode_return_delegation_noreclaim()  argument
515 	delegation = nfs_inode_detach_delegation(inode);  in nfs_inode_return_delegation_noreclaim()
517 		nfs_do_return_delegation(inode, delegation, 1);  in nfs_inode_return_delegation_noreclaim()
530 int nfs4_inode_return_delegation(struct inode *inode)  in nfs4_inode_return_delegation()  argument
532 	struct nfs_inode *nfsi = NFS_I(inode);  in nfs4_inode_return_delegation()
536 	nfs_wb_all(inode);  in nfs4_inode_return_delegation()
539 		err = nfs_end_delegation_return(inode, delegation, 1);  in nfs4_inode_return_delegation()
643 static void nfs_revoke_delegation(struct inode *inode)  in nfs_revoke_delegation()  argument
647 	delegation = rcu_dereference(NFS_I(inode)->delegation);  in nfs_revoke_delegation()
650 		nfs_mark_return_delegation(NFS_SERVER(inode), delegation);  in nfs_revoke_delegation()
655 void nfs_remove_bad_delegation(struct inode *inode)  in nfs_remove_bad_delegation()  argument
659 	nfs_revoke_delegation(inode);  in nfs_remove_bad_delegation()
660 	delegation = nfs_inode_detach_delegation(inode);  in nfs_remove_bad_delegation()
662 		nfs_inode_find_state_and_recover(inode, &delegation->stateid);  in nfs_remove_bad_delegation()
715 int nfs_async_inode_return_delegation(struct inode *inode,  in nfs_async_inode_return_delegation()  argument
718 	struct nfs_server *server = NFS_SERVER(inode);  in nfs_async_inode_return_delegation()
722 	filemap_flush(inode->i_mapping);  in nfs_async_inode_return_delegation()
725 	delegation = rcu_dereference(NFS_I(inode)->delegation);  in nfs_async_inode_return_delegation()
741 static struct inode *
746 	struct inode *res = NULL;  in nfs_delegation_find_inode_server()
750 		if (delegation->inode != NULL &&  in nfs_delegation_find_inode_server()
751 		    nfs_compare_fh(fhandle, &NFS_I(delegation->inode)->fh) == 0) {  in nfs_delegation_find_inode_server()
752 			res = igrab(delegation->inode);  in nfs_delegation_find_inode_server()
769 struct inode *nfs_delegation_find_inode(struct nfs_client *clp,  in nfs_delegation_find_inode()
773 	struct inode *res = NULL;  in nfs_delegation_find_inode()
817 	struct inode *inode;  in nfs_delegation_reap_unclaimed()  local
832 			inode = nfs_delegation_grab_inode(delegation);  in nfs_delegation_reap_unclaimed()
833 			if (inode == NULL) {  in nfs_delegation_reap_unclaimed()
838 			delegation = nfs_start_delegation_return_locked(NFS_I(inode));  in nfs_delegation_reap_unclaimed()
841 				delegation = nfs_detach_delegation(NFS_I(inode),  in nfs_delegation_reap_unclaimed()
846 			iput(inode);  in nfs_delegation_reap_unclaimed()
885 bool nfs4_copy_delegation_stateid(nfs4_stateid *dst, struct inode *inode,  in nfs4_copy_delegation_stateid()  argument
888 	struct nfs_inode *nfsi = NFS_I(inode);  in nfs4_copy_delegation_stateid()