#include <linux/gfp.h>
#include <linux/init.h>
#include <linux/module.h>
-#include <linux/fs.h> // Needed by writeback.h
-#include <linux/writeback.h> // Prototypes pdflush_operation()
+#include <linux/fs.h> /* Needed by writeback.h */
+#include <linux/writeback.h> /* Prototypes pdflush_operation() */
#include <linux/kthread.h>
#include <linux/cpuset.h>
+#include <linux/freezer.h>
/*
static int __pdflush(struct pdflush_work *my_work)
{
current->flags |= PF_FLUSHER | PF_SWAPWRITE;
+ set_freezable();
my_work->fn = NULL;
my_work->who = current;
INIT_LIST_HEAD(&my_work->list);