9fs: add 9fat, remove venti/vac

rc/bin/9fs

@@ -6,6 +6,22 @@ switch($1){
 case ''
 	echo usage: 9fs service '[mountpoint]' >[1=2]
 	exit usage
+case 9fat
+	part=`{ls /dev/fs/9fat /dev/sd*/9fat >[2]/dev/null}
+	if(~ $#part 0) {
+		echo 'no 9fat partition found' >[1=2]
+		exit no.9fat
+	}
+	
+	part=$part(1)
+	
+	if(! test -f /srv/dos)
+		dossrv >/dev/null </dev/null >[2]/dev/null
+	
+	unmount /n/9fat >/dev/null >[2]/dev/null
+	mount -c /srv/dos /n/9fat $part
+	unmount /n/9 >/dev/null >[2]/dev/null
+	mount -c /srv/dos /n/9 $part
 case kfs
 	if(! test -f /srv/kfs)
 		disk/kfs
@@ -28,21 +44,6 @@ case sourcesdump
 case sourcessnap
 	9fs sources
 	mount -n /srv/sources /n/sourcessnap main/snapshot
-# arbitrary venti archives
-case vac:*
-	vacfs <{echo $1}
-case *.vac
-	if (test -e $1)
-		score=$1
-	if not if (! ~ $1 /* && test -e $home/lib/vac/$1)
-		score=$home/lib/vac/$1
-	if not if (! ~ $1 /* && test -e /lib/vac/$1)
-		score=/lib/vac/$1
-	if not {
-		echo $0: $1: no such score file >[1=2]
-		exit 'no score file'
-	}
-	vacfs -m /n/`{basename $1 .vac} `{cat $score}
 case wiki
 	srv -m 'net!plan9.bell-labs.com!wiki' wiki /mnt/wiki
 case *