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

Use schedule_timeout_{,un}interruptible() instead of
set_current_state()/schedule_timeout() to reduce kernel size.  Also use helper
functions to convert between human time units and jiffies rather than constant
HZ division to avoid rounding errors.

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>
diff --git a/fs/xfs/linux-2.6/time.h b/fs/xfs/linux-2.6/time.h
index 6c6fd0f..b0d2873 100644
--- a/fs/xfs/linux-2.6/time.h
+++ b/fs/xfs/linux-2.6/time.h
@@ -39,8 +39,7 @@
 
 static inline void delay(long ticks)
 {
-	set_current_state(TASK_UNINTERRUPTIBLE);
-	schedule_timeout(ticks);
+	schedule_timeout_uninterruptible(ticks);
 }
 
 static inline void nanotime(struct timespec *tvp)