commit 75bcc8c5e1de78616b04ef9f317a293a7c1c163c
author Nishanth Aravamudan <nacc@us.ibm.com> Sat Sep 10 00:27:24 2005 -0700
committer Linus Torvalds <torvalds@g5.osdl.org> Sat Sep 10 10:06:37 2005 -0700
tree fabdfd7fbc46baae5638b41648444d805e14eb3c
parent 041e0e3b1970c508dc9a95b7dd9dc86271a7d7ac

[PATCH] kernel: fix-up schedule_timeout() usage

Use schedule_timeout_{,un}interruptible() instead of
set_current_state()/schedule_timeout() to reduce kernel size.

Signed-off-by: Nishanth Aravamudan <nacc@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

kernel/compat.c

diff --git a/kernel/compat.c b/kernel/compat.c
index ddfcaaa..102296e 100644
--- a/kernel/compat.c
+++ b/kernel/compat.c
@@ -48,8 +48,7 @@
 	if (!time_after(expire, now))
 		return 0;
 
-	current->state = TASK_INTERRUPTIBLE;
-	expire = schedule_timeout(expire - now);
+	expire = schedule_timeout_interruptible(expire - now);
 	if (expire == 0)
 		return 0;
 
@@ -82,8 +81,7 @@
 		return -EINVAL;
 
 	expire = timespec_to_jiffies(&t) + (t.tv_sec || t.tv_nsec);
-	current->state = TASK_INTERRUPTIBLE;
-	expire = schedule_timeout(expire);
+	expire = schedule_timeout_interruptible(expire);
 	if (expire == 0)
 		return 0;
 
@@ -795,8 +793,7 @@
 			recalc_sigpending();
 			spin_unlock_irq(&current->sighand->siglock);
 
-			current->state = TASK_INTERRUPTIBLE;
-			timeout = schedule_timeout(timeout);
+			timeout = schedule_timeout_interruptible(timeout);
 
 			spin_lock_irq(&current->sighand->siglock);
 			sig = dequeue_signal(current, &s, &info);

kernel/signal.c

diff --git a/kernel/signal.c b/kernel/signal.c
index 4980a07..b92c3c9 100644
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -2221,8 +2221,7 @@
 			recalc_sigpending();
 			spin_unlock_irq(&current->sighand->siglock);
 
-			current->state = TASK_INTERRUPTIBLE;
-			timeout = schedule_timeout(timeout);
+			timeout = schedule_timeout_interruptible(timeout);
 
 			try_to_freeze();
 			spin_lock_irq(&current->sighand->siglock);

kernel/timer.c

diff --git a/kernel/timer.c b/kernel/timer.c
index a0b716d..f4152fc 100644
--- a/kernel/timer.c
+++ b/kernel/timer.c
@@ -1184,8 +1184,7 @@
 	if (!time_after(expire, now))
 		return 0;
 
-	current->state = TASK_INTERRUPTIBLE;
-	expire = schedule_timeout(expire - now);
+	expire = schedule_timeout_interruptible(expire - now);
 
 	ret = 0;
 	if (expire) {
@@ -1213,8 +1212,7 @@
 		return -EINVAL;
 
 	expire = timespec_to_jiffies(&t) + (t.tv_sec || t.tv_nsec);
-	current->state = TASK_INTERRUPTIBLE;
-	expire = schedule_timeout(expire);
+	expire = schedule_timeout_interruptible(expire);
 
 	ret = 0;
 	if (expire) {
@@ -1612,10 +1610,8 @@
 {
 	unsigned long timeout = msecs_to_jiffies(msecs) + 1;
 
-	while (timeout) {
-		set_current_state(TASK_UNINTERRUPTIBLE);
-		timeout = schedule_timeout(timeout);
-	}
+	while (timeout)
+		timeout = schedule_timeout_uninterruptible(timeout);
 }
 
 EXPORT_SYMBOL(msleep);
@@ -1628,10 +1624,8 @@
 {
 	unsigned long timeout = msecs_to_jiffies(msecs) + 1;
 
-	while (timeout && !signal_pending(current)) {
-		set_current_state(TASK_INTERRUPTIBLE);
-		timeout = schedule_timeout(timeout);
-	}
+	while (timeout && !signal_pending(current))
+		timeout = schedule_timeout_interruptible(timeout);
 	return jiffies_to_msecs(timeout);
 }