From 376027f2a3888ef3dec73ee41f85d90e51162d78 Mon Sep 17 00:00:00 2001
From: André Fabian Silva Delgado <emulatorman@parabola.nu>
Date: Tue, 8 Sep 2015 11:24:16 -0300
Subject: Add TuxOnIce support

---
 fs/drop_caches.c | 7 +++++++
 fs/super.c       | 2 +-
 2 files changed, 8 insertions(+), 1 deletion(-)

(limited to 'fs')

diff --git a/fs/drop_caches.c b/fs/drop_caches.c
index 5718cb9f7..8289cb195 100644
--- a/fs/drop_caches.c
+++ b/fs/drop_caches.c
@@ -8,6 +8,7 @@
 #include <linux/writeback.h>
 #include <linux/sysctl.h>
 #include <linux/gfp.h>
+#include <linux/export.h>
 #include "internal.h"
 
 /* A global variable is a bit ugly, but it keeps the code simple */
@@ -37,6 +38,12 @@ static void drop_pagecache_sb(struct super_block *sb, void *unused)
 	iput(toput_inode);
 }
 
+/* For TuxOnIce */
+void drop_pagecache(void)
+{
+	iterate_supers(drop_pagecache_sb, NULL);
+}
+
 int drop_caches_sysctl_handler(struct ctl_table *table, int write,
 	void __user *buffer, size_t *length, loff_t *ppos)
 {
diff --git a/fs/super.c b/fs/super.c
index b61372354..143edf4f1 100644
--- a/fs/super.c
+++ b/fs/super.c
@@ -36,7 +36,7 @@
 #include "internal.h"
 
 
-static LIST_HEAD(super_blocks);
+LIST_HEAD(super_blocks);
 static DEFINE_SPINLOCK(sb_lock);
 
 static char *sb_writers_name[SB_FREEZE_LEVELS] = {
-- 
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