Allow the setting of the NFSv4 grace period (bz 665387)

Signed-off-by: Steve Dickson <steved@redhat.com>

nfs.init

@@ -85,6 +85,11 @@ case "$1" in
 		/sbin/modprobe nfsd
 		[ -n "$RDMA_PORT" ] && /sbin/modprobe svcrdma
 	}
+
+	# Set v4 grace period if requested  
+	[ -n "$NFSD_V4_GRACE" ] && {
+		echo "$NFSD_V4_GRACE" > /proc/fs/nfsd/nfsv4gracetime
+	}
 	action $"Starting NFS services: " /usr/sbin/exportfs -r
 
 	if [ -n "$RQUOTAD" -a "$RQUOTAD" != "no" ]; then

nfs.sysconfig

@@ -32,6 +32,8 @@
 #RPCNFSDCOUNT=8
 # Stop the nfsd module from being pre-loaded
 #NFSD_MODULE="noload"
+# Set V4 grace period in seconds
+#NFSD_V4_GRACE=90
 #
 #
 # Optional arguments passed to rpc.mountd. See rpc.mountd(8)