ionice: new applet, adapted from Linux kernel' example by Walter Harms

   text    data     bss     dec     hex filename
1050316     924   10952 1062192  103530 busybox_old
1050758     924   10952 1062634  1036ea busybox_unstripped

diff --git a/miscutils/Config.in b/miscutils/Config.in
index 68732e6..94174de 100644
--- a/miscutils/Config.in
+++ b/miscutils/Config.in
@@ -238,6 +238,13 @@
 	    "NN" (ASCII decimal number) - percentage to show on progress bar
 	    "exit" - well you guessed it
 
+config IONICE
+	bool "ionice"
+	default n
+	help
+	  Set/set program io scheduling class and priority
+	  Requires kernel >= 2.6.13
+
 config INOTIFYD
 	bool "inotifyd"
 	default n