73  * release it as any new DFS referrals must go through its IPC tcon.
206 	struct cifs_tcon *tcon;  in __dfs_mount_share()  local
224 		else if (WARN_ON(!mnt_ctx->tcon))  in __dfs_mount_share()
230 	tcon = mnt_ctx->tcon;  in __dfs_mount_share()
231 	spin_lock(&tcon->tc_lock);  in __dfs_mount_share()
232 	tcon->origin_fullpath = origin_fullpath;  in __dfs_mount_share()
234 	ref_walk_set_tcon(rw, tcon);  in __dfs_mount_share()
235 	spin_unlock(&tcon->tc_lock);  in __dfs_mount_share()
236 	queue_delayed_work(dfscache_wq, &tcon->dfs_cache_work,  in __dfs_mount_share()
337 				   struct cifs_tcon *tcon,  in tree_connect_dfs_target()  argument
342 	const struct smb_version_operations *ops = tcon->ses->server->ops;  in tree_connect_dfs_target()
343 	struct TCP_Server_Info *server = tcon->ses->server;  in tree_connect_dfs_target()
373 		rc = ops->tree_connect(xid, tcon->ses, tree,  in tree_connect_dfs_target()
374 				       tcon, tcon->ses->local_nls);  in tree_connect_dfs_target()
386 int cifs_tree_connect(const unsigned int xid, struct cifs_tcon *tcon)  in cifs_tree_connect()  argument
389 	struct TCP_Server_Info *server = tcon->ses->server;  in cifs_tree_connect()
398 	spin_lock(&tcon->tc_lock);  in cifs_tree_connect()
400 	/* if tcon is marked for needing reconnect, update state */  in cifs_tree_connect()
401 	if (tcon->need_reconnect)  in cifs_tree_connect()
402 		tcon->status = TID_NEED_TCON;  in cifs_tree_connect()
404 	if (tcon->status == TID_GOOD) {  in cifs_tree_connect()
405 		spin_unlock(&tcon->tc_lock);  in cifs_tree_connect()
409 	if (tcon->status != TID_NEW &&  in cifs_tree_connect()
410 	    tcon->status != TID_NEED_TCON) {  in cifs_tree_connect()
411 		spin_unlock(&tcon->tc_lock);  in cifs_tree_connect()
415 	tcon->status = TID_IN_TCON;  in cifs_tree_connect()
416 	spin_unlock(&tcon->tc_lock);  in cifs_tree_connect()
424 	if (tcon->ipc) {  in cifs_tree_connect()
428 		rc = ops->tree_connect(xid, tcon->ses, tree,  in cifs_tree_connect()
429 				       tcon, tcon->ses->local_nls);  in cifs_tree_connect()
433 	sb = cifs_get_dfs_tcon_super(tcon);  in cifs_tree_connect()
437 	/* Tree connect to last share in @tcon->tree_name if no DFS referral */  in cifs_tree_connect()
440 		rc = ops->tree_connect(xid, tcon->ses, tcon->tree_name,  in cifs_tree_connect()
441 				       tcon, tcon->ses->local_nls);  in cifs_tree_connect()
445 	rc = tree_connect_dfs_target(xid, tcon, cifs_sb, tree, ref.server_type == DFS_TYPE_LINK,  in cifs_tree_connect()
454 		spin_lock(&tcon->tc_lock);  in cifs_tree_connect()
455 		if (tcon->status == TID_IN_TCON)  in cifs_tree_connect()
456 			tcon->status = TID_NEED_TCON;  in cifs_tree_connect()
457 		spin_unlock(&tcon->tc_lock);  in cifs_tree_connect()
459 		spin_lock(&tcon->tc_lock);  in cifs_tree_connect()
460 		if (tcon->status == TID_IN_TCON)  in cifs_tree_connect()
461 			tcon->status = TID_GOOD;  in cifs_tree_connect()
462 		tcon->need_reconnect = false;  in cifs_tree_connect()
463 		spin_unlock(&tcon->tc_lock);  in cifs_tree_connect()