Browse Source

[PATCH] as-iosched tunable encoding fix

AS is doing internal msec<->jiffies conversions twice, so the sysfs tunables
which represent time are coming out wrong.  The switch from HZ=1000 exposed
this.

Cc: Nick Piggin <nickpiggin@yahoo.com.au>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Jens Axboe 20 years ago
parent
commit
c9b3ad6734
1 changed files with 1 additions and 9 deletions
  1. 1 9
      drivers/block/as-iosched.c

+ 1 - 9
drivers/block/as-iosched.c

@@ -1935,23 +1935,15 @@ struct as_fs_entry {
 static ssize_t
 as_var_show(unsigned int var, char *page)
 {
-	var = (var * 1000) / HZ;
 	return sprintf(page, "%d\n", var);
 }
 
 static ssize_t
 as_var_store(unsigned long *var, const char *page, size_t count)
 {
-	unsigned long tmp;
 	char *p = (char *) page;
 
-	tmp = simple_strtoul(p, &p, 10);
-	if (tmp != 0) {
-		tmp = (tmp * HZ) / 1000;
-		if (tmp == 0)
-			tmp = 1;
-	}
-	*var = tmp;
+	*var = simple_strtoul(p, &p, 10);
 	return count;
 }