o Look for a zfs(1) exports file only if it exists and is readable. If

we don't do this and the file doesn't exist mountd(8) will abort.
o The mountd(8) daemon creates a pidfile, so use it.

etc/rc.d/mountd

@@ -13,6 +13,7 @@
 name="mountd"
 rcvar=`set_rcvar`
 command="/usr/sbin/${name}"
+pidfile="/var/run/${name}.pid"
 required_files="/etc/exports"
 start_precmd="mountd_precmd"
 extra_commands="reload"
@@ -37,7 +38,7 @@ mountd_precmd()
 		fi
 	fi
 
-	if checkyesno zfs_enable ; then
+	if checkyesno zfs_enable && [ -r /etc/zfs/exports ]; then
 		rc_flags="${rc_flags} /etc/exports /etc/zfs/exports"
 	fi