block: make /proc/diskstats only build if CONFIG_PROC_FS is enabled

These functions are only needed if CONFIG_PROC_FS is enabled, so save the space when it is not. This also makes it easier for a patch later in this series to work properly if CONFIG_PROC_FS is not enabled. Signed-off-by: Randy Dunlap <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
redpig · Jul 22, 2008 · a6e2ba8 · a6e2ba8
1 parent a142be8
commit a6e2ba8
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/block/genhd.c b/block/genhd.c
@@ -544,6 +544,7 @@ static struct device_type disk_type = {
 	.release	= disk_release,
 };
 
+#ifdef CONFIG_PROC_FS
 /*
  * aggregate disk stat collector.  Uses the same stats that the sysfs
  * entries do, above, but makes them available through one seq_file.
@@ -653,6 +654,7 @@ const struct seq_operations diskstats_op = {
 	.stop	= diskstats_stop,
 	.show	= diskstats_show
 };
+#endif /* CONFIG_PROC_FS */
 
 static void media_change_notify_thread(struct work_struct *work)
 {