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
# Read config
DEFAULTFILE=/etc/default/nfs-kernel-server
RPCNFSDCOUNT=8
+RPCNFSDPRIORITY=0
RPCMOUNTDOPTS=
+NEED_SVCGSSD=yes
+RPCGSSDOPTS=
+RPCSVCGSSDOPTS=
PROCNFSD_MOUNTPOINT=/proc/fs/nfsd
if [ -f $DEFAULTFILE ]; then
. $DEFAULTFILE
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
- do_mount nfsd $PROCNFSD_MOUNTPOINT || true
+
+ # 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
echo "done."
printf "Starting $DESC:"
printf " nfsd"
start-stop-daemon --start --quiet \
+ --nicelevel $RPCNFSDPRIORITY \
--exec $PREFIX/sbin/rpc.nfsd -- $RPCNFSDCOUNT
printf " mountd"
printf "Unexporting directories for $DESC..."
$PREFIX/sbin/exportfs -au
+ if mountpoint -q /proc/nfs/nfsd
+ then
+ $PREFIX/sbin/exportfs -f
+ fi
echo "done."
;;