44 	VtFile	*source;	/* actual data */  member
68 	vtfileclose(f->source);  in filefree()
81 	if(f->source == nil  in chksource()
228 	if(f->source && vtfilelock(f->source, -1) >= 0){  in vacfiledecref()
229 		vtfileflush(f->source);  in vacfiledecref()
230 		vtfileunlock(f->source);  in vacfiledecref()
328 	root->source = r0;  in _vacfileroot()
438 	if((r = vtfileopen(f->source, offset, mode)) == nil)  in fileopensource()
506 	if(vtfilelock(f->source, f->mode) < 0)  in vacfilewalk()
509 		ff->source = fileopensource(f, ff->dir.entry, ff->dir.gen, 1, ff->mode);  in vacfilewalk()
511 		if(ff->source == nil || ff->msource == nil)  in vacfilewalk()
514 		ff->source = fileopensource(f, ff->dir.entry, ff->dir.gen, 0, ff->mode);  in vacfilewalk()
515 		if(ff->source == nil)  in vacfilewalk()
518 	vtfileunlock(f->source);  in vacfilewalk()
530 	vtfileunlock(f->source);  in vacfilewalk()
594 	if(vtfilelock(f->source, VtOREAD) < 0)  in vacfileblockscore()
597 	s = f->source;  in vacfileblockscore()
602 	ret = vtfileblockscore(f->source, bn, score);  in vacfileblockscore()
605 	vtfileunlock(f->source);  in vacfileblockscore()
625 	if(vtfilelock(f->source, VtOREAD) < 0){  in vacfileread()
629 	n = vtfileread(f->source, buf, cnt, offset);  in vacfileread()
630 	vtfileunlock(f->source);  in vacfileread()
660 	if(e && getentry(f->source, e) < 0){  in vacfilegetentries()
684 	if(vtfilelock(f->source, VtOREAD) < 0){  in vacfilegetsize()
688 	*size = vtfilegetsize(f->source);  in vacfilegetsize()
689 	vtfileunlock(f->source);  in vacfilegetsize()
782 	VtFile *meta, *source;  in vdefill()  local
799 	source = f->source;  in vdefill()
818 		if(direntrysize(source, de->entry, de->gen, &de->size) < 0)  in vdefill()
847 	if(vtfilelock2(f->source, f->msource, VtOREAD) < 0){  in vderead()
870 	vtfileunlock(f->source);  in vderead()
1222 	vtfilelock(f->source, -1);  in vacfileflush()
1223 	if(vtfileflush(f->source) < 0)  in vacfileflush()
1225 	vtfileunlock(f->source);  in vacfileflush()
1277 	pr = fp->source;  in vacfilecreate()
1287 	if(vtfilelock2(fp->source, fp->msource, -1) < 0)  in vacfilecreate()
1329 	vtfileunlock(fp->source);  in vacfilecreate()
1331 	ff->source = r;  in vacfilecreate()
1344 	vtfilelock(ff->source, -1);  in vacfilecreate()
1345 	vtfileunlock(ff->source);  in vacfilecreate()
1351 	vtfileunlock(fp->source);  in vacfilecreate()
1382 	if(f->source->mode != VtORDWR){  in vacfilesetsize()
1386 	if(vtfilelock(f->source, -1) < 0)  in vacfilesetsize()
1388 	if(vtfilesetsize(f->source, size) < 0){  in vacfilesetsize()
1389 		vtfileunlock(f->source);  in vacfilesetsize()
1392 	vtfileunlock(f->source);  in vacfilesetsize()
1413 	if(f->source->mode != VtORDWR){  in vacfilewrite()
1422 	if(vtfilelock(f->source, -1) < 0)  in vacfilewrite()
1425 		offset = vtfilegetsize(f->source);  in vacfilewrite()
1426 	if(vtfilewrite(f->source, buf, cnt, offset) != cnt  in vacfilewrite()
1427 	|| vtfileflushbefore(f->source, offset) < 0){  in vacfilewrite()
1428 		vtfileunlock(f->source);  in vacfilewrite()
1431 	vtfileunlock(f->source);  in vacfilewrite()
1468 	if(f->source->mode != VtORDWR  in vacfilesetentries()
1474 	if(vtfilelock2(f->source, f->msource, -1) < 0){  in vacfilesetentries()
1479 	if(vtfilesetentry(f->source, e) < 0)  in vacfilesetentries()
1484 	vtfileunlock(f->source);  in vacfilesetentries()
1505 		if(vtfilelock(f->source, VtOREAD) < 0){  in vacfilegetdir()
1509 		dir->size = vtfilegetsize(f->source);  in vacfilegetdir()
1510 		vtfileunlock(f->source);  in vacfilegetdir()
1538 	if(f->source->mode != VtORDWR){  in vacfilesetdir()
1561 	if(vtfilelock2(f->source, f->msource, -1) < 0)  in vacfilesetdir()
1564 		size = vtfilegetsize(f->source);  in vacfilesetdir()
1566 			if(vtfilesetsize(f->source, dir->size) < 0){  in vacfilesetdir()
1567 				vtfileunlock(f->source);  in vacfilesetdir()
1575 	vtfileunlock(f->source);  in vacfilesetdir()
1634 	if(f->source->mode != VtORDWR){  in vacfilesetqidspace()
1699 	if(f->source->mode != VtORDWR){  in vacfileremove()
1703 	if(vtfilelock2(f->source, f->msource, -1) < 0)  in vacfileremove()
1711 	vtfileremove(f->source);  in vacfileremove()
1712 	f->source = nil;  in vacfileremove()
1724 	vtfileunlock(f->source);  in vacfileremove()
2035 	if(getentry(fs->root->source, &e) < 0)  in vacfssync()