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()
396 	struct cifs_tcon *tcon = ses->tcon_ipc;  in __tree_connect_ipc()  local
416 	rc = server->ops->tree_connect(xid, ses, tree, tcon,  in __tree_connect_ipc()
419 	spin_lock(&tcon->tc_lock);  in __tree_connect_ipc()
421 		tcon->status = TID_NEED_TCON;  in __tree_connect_ipc()
423 		tcon->status = TID_GOOD;  in __tree_connect_ipc()
424 		tcon->need_reconnect = false;  in __tree_connect_ipc()
426 	spin_unlock(&tcon->tc_lock);  in __tree_connect_ipc()
431 			     struct cifs_tcon *tcon)  in tree_connect_ipc()  argument
433 	struct cifs_ses *ses = tcon->ses;  in tree_connect_ipc()
439 static int __tree_connect_dfs_target(const unsigned int xid, struct cifs_tcon *tcon,  in __tree_connect_dfs_target()  argument
444 	struct TCP_Server_Info *server = tcon->ses->server;  in __tree_connect_dfs_target()
446 	struct cifs_ses *root_ses = CIFS_DFS_ROOT_SES(tcon->ses);  in __tree_connect_dfs_target()
482 		tree_connect_ipc(xid, tree, cifs_sb, tcon);  in __tree_connect_dfs_target()
486 			rc = ops->tree_connect(xid, tcon->ses, tree, tcon, cifs_sb->local_nls);  in __tree_connect_dfs_target()
498 			rc = ops->tree_connect(xid, tcon->ses, tree, tcon, cifs_sb->local_nls);  in __tree_connect_dfs_target()
524 static int tree_connect_dfs_target(const unsigned int xid, struct cifs_tcon *tcon,  in tree_connect_dfs_target()  argument
530 	struct TCP_Server_Info *server = tcon->ses->server;  in tree_connect_dfs_target()
534 		rc = __tree_connect_dfs_target(xid, tcon, cifs_sb, tree, islink, tl);  in tree_connect_dfs_target()
549 int cifs_tree_connect(const unsigned int xid, struct cifs_tcon *tcon, const struct nls_table *nlsc)  in cifs_tree_connect()  argument
552 	struct TCP_Server_Info *server = tcon->ses->server;  in cifs_tree_connect()
561 	spin_lock(&tcon->tc_lock);  in cifs_tree_connect()
563 	/* if tcon is marked for needing reconnect, update state */  in cifs_tree_connect()
564 	if (tcon->need_reconnect)  in cifs_tree_connect()
565 		tcon->status = TID_NEED_TCON;  in cifs_tree_connect()
567 	if (tcon->status == TID_GOOD) {  in cifs_tree_connect()
568 		spin_unlock(&tcon->tc_lock);  in cifs_tree_connect()
572 	if (tcon->status != TID_NEW &&  in cifs_tree_connect()
573 	    tcon->status != TID_NEED_TCON) {  in cifs_tree_connect()
574 		spin_unlock(&tcon->tc_lock);  in cifs_tree_connect()
578 	tcon->status = TID_IN_TCON;  in cifs_tree_connect()
579 	spin_unlock(&tcon->tc_lock);  in cifs_tree_connect()
587 	if (tcon->ipc) {  in cifs_tree_connect()
591 		rc = ops->tree_connect(xid, tcon->ses, tree, tcon, nlsc);  in cifs_tree_connect()
595 	sb = cifs_get_dfs_tcon_super(tcon);  in cifs_tree_connect()
600 	 * Tree connect to last share in @tcon->tree_name whether dfs super or  in cifs_tree_connect()
605 		rc = ops->tree_connect(xid, tcon->ses, tcon->tree_name, tcon,  in cifs_tree_connect()
610 	rc = tree_connect_dfs_target(xid, tcon, cifs_sb, tree, ref.server_type == DFS_TYPE_LINK,  in cifs_tree_connect()
619 		spin_lock(&tcon->tc_lock);  in cifs_tree_connect()
620 		if (tcon->status == TID_IN_TCON)  in cifs_tree_connect()
621 			tcon->status = TID_NEED_TCON;  in cifs_tree_connect()
622 		spin_unlock(&tcon->tc_lock);  in cifs_tree_connect()
624 		spin_lock(&tcon->tc_lock);  in cifs_tree_connect()
625 		if (tcon->status == TID_IN_TCON)  in cifs_tree_connect()
626 			tcon->status = TID_GOOD;  in cifs_tree_connect()
627 		tcon->need_reconnect = false;  in cifs_tree_connect()
628 		spin_unlock(&tcon->tc_lock);  in cifs_tree_connect()