13 	Node	*node;		/* path to remote file */  member
220 	ff->node = nil;  in newfid()
335 	f->node = remroot;  in rattach()
336 	rhdr.qid = f->node->d->qid;  in rattach()
348 	Node *node;  in rwalk()  local
357 		nf->node = f->node;  in rwalk()
364 	node = f->node;  in rwalk()
369 			if((node->d->qid.type & QTDIR) == 0){  in rwalk()
375 				rhdr.wqid[i] = node->d->qid;  in rwalk()
380 				node = node->parent;  in rwalk()
385 				invalidate(node);  in rwalk()
386 				readdir(node);  in rwalk()
391 			if((os == Tops || os == VM || os == VMS) && node == remroot){  in rwalk()
394 					node = np;  in rwalk()
403 			node = extendpath(node, s_copy(elems[i]));  in rwalk()
404 			if(ISCACHED(node->parent)){  in rwalk()
406 				if(!ISVALID(node)){  in rwalk()
410 				if(node->parent->chdirunknown || (node->d->mode & DMSYML))  in rwalk()
411 					fixsymbolic(node);  in rwalk()
412 			} else if(!ISVALID(node)){  in rwalk()
414 				if(changedir(node) == 0){  in rwalk()
415 					node->d->qid.type = QTDIR;  in rwalk()
416 					node->d->mode |= DMDIR;  in rwalk()
418 					node->d->qid.type = QTFILE;  in rwalk()
419 					node->d->mode &= ~DMDIR;  in rwalk()
436 		f->node = node;  in rwalk()
447 	if(f->node->d->qid.type & QTDIR)  in ropen()
452 		uncache(f->node);  in ropen()
453 		uncache(f->node->parent);  in ropen()
454 		filedirty(f->node);  in ropen()
457 		if(!ISCACHED(f->node)){  in ropen()
458 			filefree(f->node);  in ropen()
459 			if(f->node->d->qid.type & QTDIR){  in ropen()
460 				invalidate(f->node);  in ropen()
461 				if(readdir(f->node) < 0)  in ropen()
464 				if(readfile(f->node) < 0)  in ropen()
467 			CACHED(f->node);  in ropen()
471 	rhdr.qid = f->node->d->qid;  in ropen()
473 	f->node->opens++;  in ropen()
482 	if((f->node->d->qid.type&QTDIR) == 0)  in rcreate()
486 	f->node = extendpath(f->node, s_copy(name));  in rcreate()
487 	uncache(f->node);  in rcreate()
489 		if(createdir(f->node) < 0)  in rcreate()
492 		filedirty(f->node);  in rcreate()
493 	invalidate(f->node->parent);  in rcreate()
494 	uncache(f->node->parent);  in rcreate()
496 	rhdr.qid = f->node->d->qid;  in rcreate()
498 	f->node->opens++;  in rcreate()
515 	if(f->node->d->qid.type & QTDIR){  in rread()
517 		for(np = f->node->children; np != nil; np = np->sibs){  in rread()
537 		if(!ISCACHED(f->node))  in rread()
538 			if(readfile(f->node) < 0)  in rread()
540 		CACHED(f->node);  in rread()
541 		rv = fileread(f->node, (char*)mbuf, off, cnt);  in rread()
557 	if(f->node->d->qid.type & QTDIR)  in rwrite()
563 	cnt = filewrite(f->node, thdr.data, off, cnt);  in rwrite()
566 	filedirty(f->node);  in rwrite()
574 	if(fileisdirty(f->node)){  in rclunk()
575 		if(createfile(f->node) < 0)  in rclunk()
576 			fprint(2, "ftpfs: couldn't create %s\n", f->node->d->name);  in rclunk()
577 		fileclean(f->node);  in rclunk()
578 		uncache(f->node);  in rclunk()
582 		f->node->opens--;  in rclunk()
596 	if(QTDIR & f->node->d->qid.type){  in rremove()
597 		if(removedir(f->node) < 0)  in rremove()
600 		if(removefile(f->node) < 0)  in rremove()
603 	uncache(f->node->parent);  in rremove()
604 	uncache(f->node);  in rremove()
606 		INVALID(f->node);  in rremove()
616 	p = f->node->parent;  in rstat()
622 	if(!ISVALID(f->node))  in rstat()
625 		fixsymbolic(f->node);  in rstat()
626 	rhdr.nstat = convD2M(f->node->d, mbuf, messagesize-IOHDRSZ);  in rstat()
764 invalidate(Node *node)  in invalidate()  argument
768 	if(node->opens)  in invalidate()
771 	uncachedir(node, 0);  in invalidate()
774 	for(np = node->children; np; np = np->sibs){  in invalidate()
813 fixsymbolic(Node *node)  in fixsymbolic()  argument
815 	if(changedir(node) == 0){  in fixsymbolic()
816 		node->d->mode |= DMDIR;  in fixsymbolic()
817 		node->d->qid.type = QTDIR;  in fixsymbolic()
819 		node->d->qid.type = QTFILE;  in fixsymbolic()
820 	node->d->mode &= ~DMSYML;   in fixsymbolic()