iosched: break out io scheduling functions from xutils

Break this stuff out, for better maintainability and readability.

Signed-off-by: Daniel Borkmann <dborkman@redhat.com>

1 files changed, 0 insertions, 59 deletions

diff --git a/xutils.c b/xutils.c
index eea258c..8856b3a 100644
--- a/xutils.c
+++ b/xutils.c
@@ -2,7 +2,6 @@
  * netsniff-ng - the packet sniffing beast
  * Copyright 2009, 2010 Daniel Borkmann.
  * Copyright 2009, 2010 Emmanuel Roullit.
- * Copyright 2010 Marek Polacek.
  * Subject to the GPL, version 2.
  */
 
@@ -46,21 +45,6 @@
 #include "ring.h"
 #include "built_in.h"
 
-#define IOPRIO_CLASS_SHIFT      13
-
-enum {
-	ioprio_class_none,
-	ioprio_class_rt,
-	ioprio_class_be,
-	ioprio_class_idle,
-};
-
-enum {
-	ioprio_who_process = 1,
-	ioprio_who_pgrp,
-	ioprio_who_user,
-};
-
 enum {
 	sock_rmem_max = 0,
 	sock_rmem_def,
@@ -723,49 +707,6 @@ int set_sched_status(int policy, int priority)
 	return 0;
 }
 
-static inline int ioprio_set(int which, int who, int ioprio)
-{
-	return syscall(SYS_ioprio_set, which, who, ioprio);
-}
-
-static inline int ioprio_get(int which, int who)
-{
-	return syscall(SYS_ioprio_get, which, who);
-}
-
-static void ioprio_setpid(pid_t pid, int ioprio, int ioclass)
-{
-	int ret = ioprio_set(ioprio_who_process, pid,
-			     ioprio | ioclass << IOPRIO_CLASS_SHIFT);
-	if (ret < 0)
-		panic("Failed to set io prio for pid!\n");
-}
-
-void ioprio_print(void)
-{
-	int ioprio = ioprio_get(ioprio_who_process, getpid());
-	if (ioprio < 0)
-		panic("Failed to fetch io prio for pid!\n");
-	else {
-		int ioclass = ioprio >> IOPRIO_CLASS_SHIFT;
-		if (ioclass != ioprio_class_idle) {
-			ioprio &= 0xff;
-			printf("%s: prio %d\n", to_prio[ioclass], ioprio);
-		} else
-			printf("%s\n", to_prio[ioclass]);
-	}
-}
-
-void set_ioprio_rt(void)
-{
-	ioprio_setpid(getpid(), 4, ioprio_class_rt);
-}
-
-void set_ioprio_be(void)
-{
-	ioprio_setpid(getpid(), 4, ioprio_class_be);
-}
-
 void xlockme(void)
 {
 	if (mlockall(MCL_CURRENT | MCL_FUTURE) != 0)