X-Git-Url: https://git.decadent.org.uk/gitweb/?p=nfs-utils.git;a=blobdiff_plain;f=debian%2Fnfs-kernel-server.init;h=01438627ccc3dca9fe34bddf79ce51733d454874;hp=23215ecf9f046c69aaee1575bf5693b7b470034b;hb=256ca818abf1b49274645eeae0cac6250bd58ea5;hpb=e06694ca075bc26870d3504dddda814f56a61a81

diff --git a/debian/nfs-kernel-server.init b/debian/nfs-kernel-server.init
index 23215ec..0143862 100755
--- a/debian/nfs-kernel-server.init
+++ b/debian/nfs-kernel-server.init
@@ -17,14 +17,15 @@ DESC="NFS kernel daemon"
 PREFIX=/usr
 
 # Exit if required binaries are missing.
-[ -x $PREFIX/sbin/rpc.nfsd ] || exit 0
-[ -x $PREFIX/sbin/rpc.mountd ] || exit 0
-[ -x $PREFIX/sbin/exportfs ] || exit 0
+[ -x $PREFIX/sbin/rpc.nfsd    ] || exit 0
+[ -x $PREFIX/sbin/rpc.mountd  ] || exit 0
+[ -x $PREFIX/sbin/exportfs    ] || exit 0
 [ -x $PREFIX/sbin/rpc.svcgssd ] || exit 0
 
 # Read config
 DEFAULTFILE=/etc/default/nfs-kernel-server
 RPCNFSDCOUNT=8
+RPCNFSDPRIORITY=0
 RPCMOUNTDOPTS=
 NEED_SVCGSSD=yes
 RPCGSSDOPTS=
@@ -35,29 +36,39 @@ if [ -f $DEFAULTFILE ]; then
 fi
 
 do_modprobe() {
-	modprobe -q $1 || true
+    if [ -x /sbin/modprobe ]
+    then
+        modprobe -q "$1" || true
+    fi
 }
 
 do_mount() {
-	if ! grep -E -qs "$1\$" /proc/filesystems
-	then
-		return 1
-	fi
-	if ! mountpoint -q $2
-	then
-		mount -t $1 $3 $1 $2
-		return
-	fi
-	return 0
+    if ! grep -E -qs "$1\$" /proc/filesystems
+    then
+	return 1
+    fi
+    if ! mountpoint -q "$2"
+    then
+	mount -t "$1" "$1" "$2"
+	return
+    fi
+    return 0
 }
 
 # See how we were called.
 case "$1" in
   start)
 	cd /	# daemons should have root dir as cwd
-	if grep -q '^/' /etc/exports
+	if [ -f /etc/exports ]
 	then
 		do_modprobe nfsd
+
+		# See if our running kernel supports the NFS kernel server
+		if [ -f /proc/kallsyms ] && ! grep -qE 'init_nf(sd|	)' /proc/kallsyms; then
+			echo "Not starting $DESC: no support in current kernel."
+			exit 0
+		fi
+		
 		do_mount nfsd $PROCNFSD_MOUNTPOINT || NEED_SVCGSSD=no
 		printf "Exporting directories for $DESC..."
 		$PREFIX/sbin/exportfs -r
@@ -70,10 +81,11 @@ case "$1" in
 		    start-stop-daemon --start --quiet \
 			    --make-pidfile --pidfile /var/run/rpc.svcgssd.pid \
 			    --exec $PREFIX/sbin/rpc.svcgssd -- $RPCSVCGSSDOPTS
-               fi
+		fi
 
 		printf " nfsd"
 		start-stop-daemon --start --quiet \
+		    --nicelevel $RPCNFSDPRIORITY \
 		    --exec $PREFIX/sbin/rpc.nfsd -- $RPCNFSDCOUNT
 
 		printf " mountd"
@@ -119,6 +131,10 @@ case "$1" in
 
 	printf "Unexporting directories for $DESC..."
 	$PREFIX/sbin/exportfs -au
+	if mountpoint -q /proc/nfs/nfsd
+	then
+	    $PREFIX/sbin/exportfs -f
+	fi
 	echo "done."
 	;;