70  * release it as any new DFS referrals must go through its IPC tcon.
216 	struct cifs_tcon *tcon;  in __dfs_mount_share()  local
234 		else if (WARN_ON(!mnt_ctx->tcon))  in __dfs_mount_share()
240 	tcon = mnt_ctx->tcon;  in __dfs_mount_share()
241 	spin_lock(&tcon->tc_lock);  in __dfs_mount_share()
242 	tcon->origin_fullpath = origin_fullpath;  in __dfs_mount_share()
244 	ref_walk_set_tcon(rw, tcon);  in __dfs_mount_share()
245 	spin_unlock(&tcon->tc_lock);  in __dfs_mount_share()
246 	queue_delayed_work(dfscache_wq, &tcon->dfs_cache_work,  in __dfs_mount_share()
349 				   struct cifs_tcon *tcon,  in tree_connect_dfs_target()  argument
354 	const struct smb_version_operations *ops = tcon->ses->server->ops;  in tree_connect_dfs_target()
355 	struct TCP_Server_Info *server = tcon->ses->server;  in tree_connect_dfs_target()
385 		rc = ops->tree_connect(xid, tcon->ses, tree,  in tree_connect_dfs_target()
386 				       tcon, tcon->ses->local_nls);  in tree_connect_dfs_target()
398 int cifs_tree_connect(const unsigned int xid, struct cifs_tcon *tcon, const struct nls_table *nlsc)  in cifs_tree_connect()  argument
401 	struct TCP_Server_Info *server = tcon->ses->server;  in cifs_tree_connect()
410 	spin_lock(&tcon->tc_lock);  in cifs_tree_connect()
412 	/* if tcon is marked for needing reconnect, update state */  in cifs_tree_connect()
413 	if (tcon->need_reconnect)  in cifs_tree_connect()
414 		tcon->status = TID_NEED_TCON;  in cifs_tree_connect()
416 	if (tcon->status == TID_GOOD) {  in cifs_tree_connect()
417 		spin_unlock(&tcon->tc_lock);  in cifs_tree_connect()
421 	if (tcon->status != TID_NEW &&  in cifs_tree_connect()
422 	    tcon->status != TID_NEED_TCON) {  in cifs_tree_connect()
423 		spin_unlock(&tcon->tc_lock);  in cifs_tree_connect()
427 	tcon->status = TID_IN_TCON;  in cifs_tree_connect()
428 	spin_unlock(&tcon->tc_lock);  in cifs_tree_connect()
436 	if (tcon->ipc) {  in cifs_tree_connect()
440 		rc = ops->tree_connect(xid, tcon->ses, tree, tcon, nlsc);  in cifs_tree_connect()
444 	sb = cifs_get_dfs_tcon_super(tcon);  in cifs_tree_connect()
448 	/* Tree connect to last share in @tcon->tree_name if no DFS referral */  in cifs_tree_connect()
451 		rc = ops->tree_connect(xid, tcon->ses, tcon->tree_name,  in cifs_tree_connect()
452 				       tcon, tcon->ses->local_nls);  in cifs_tree_connect()
456 	rc = tree_connect_dfs_target(xid, tcon, cifs_sb, tree, ref.server_type == DFS_TYPE_LINK,  in cifs_tree_connect()
465 		spin_lock(&tcon->tc_lock);  in cifs_tree_connect()
466 		if (tcon->status == TID_IN_TCON)  in cifs_tree_connect()
467 			tcon->status = TID_NEED_TCON;  in cifs_tree_connect()
468 		spin_unlock(&tcon->tc_lock);  in cifs_tree_connect()
470 		spin_lock(&tcon->tc_lock);  in cifs_tree_connect()
471 		if (tcon->status == TID_IN_TCON)  in cifs_tree_connect()
472 			tcon->status = TID_GOOD;  in cifs_tree_connect()
473 		tcon->need_reconnect = false;  in cifs_tree_connect()
474 		spin_unlock(&tcon->tc_lock);  in cifs_tree_connect()