1 files changed, 0 insertions, 116 deletions
diff --git a/ANDROID_3.4.5/arch/s390/hypfs/hypfs_dbfs.c b/ANDROID_3.4.5/arch/s390/hypfs/hypfs_dbfs.c
deleted file mode 100644
index b478013b..00000000
--- a/ANDROID_3.4.5/arch/s390/hypfs/hypfs_dbfs.c
+++ /dev/null
@@ -1,116 +0,0 @@
-/*
- * Hypervisor filesystem for Linux on s390 - debugfs interface
- *
- * Copyright (C) IBM Corp. 2010
- * Author(s): Michael Holzheu <holzheu@linux.vnet.ibm.com>
- */
-
-#include <linux/slab.h>
-#include "hypfs.h"
-
-static struct dentry *dbfs_dir;
-
-static struct hypfs_dbfs_data *hypfs_dbfs_data_alloc(struct hypfs_dbfs_file *f)
-{
-	struct hypfs_dbfs_data *data;
-
-	data = kmalloc(sizeof(*data), GFP_KERNEL);
-	if (!data)
-		return NULL;
-	kref_init(&data->kref);
-	data->dbfs_file = f;
-	return data;
-}
-
-static void hypfs_dbfs_data_free(struct kref *kref)
-{
-	struct hypfs_dbfs_data *data;
-
-	data = container_of(kref, struct hypfs_dbfs_data, kref);
-	data->dbfs_file->data_free(data->buf_free_ptr);
-	kfree(data);
-}
-
-static void data_free_delayed(struct work_struct *work)
-{
-	struct hypfs_dbfs_data *data;
-	struct hypfs_dbfs_file *df;
-
-	df = container_of(work, struct hypfs_dbfs_file, data_free_work.work);
-	mutex_lock(&df->lock);
-	data = df->data;
-	df->data = NULL;
-	mutex_unlock(&df->lock);
-	kref_put(&data->kref, hypfs_dbfs_data_free);
-}
-
-static ssize_t dbfs_read(struct file *file, char __user *buf,
-			 size_t size, loff_t *ppos)
-{
-	struct hypfs_dbfs_data *data;
-	struct hypfs_dbfs_file *df;
-	ssize_t rc;
-
-	if (*ppos != 0)
-		return 0;
-
-	df = file->f_path.dentry->d_inode->i_private;
-	mutex_lock(&df->lock);
-	if (!df->data) {
-		data = hypfs_dbfs_data_alloc(df);
-		if (!data) {
-			mutex_unlock(&df->lock);
-			return -ENOMEM;
-		}
-		rc = df->data_create(&data->buf, &data->buf_free_ptr,
-				     &data->size);
-		if (rc) {
-			mutex_unlock(&df->lock);
-			kfree(data);
-			return rc;
-		}
-		df->data = data;
-		schedule_delayed_work(&df->data_free_work, HZ);
-	}
-	data = df->data;
-	kref_get(&data->kref);
-	mutex_unlock(&df->lock);
-
-	rc = simple_read_from_buffer(buf, size, ppos, data->buf, data->size);
-	kref_put(&data->kref, hypfs_dbfs_data_free);
-	return rc;
-}
-
-static const struct file_operations dbfs_ops = {
-	.read		= dbfs_read,
-	.llseek		= no_llseek,
-};
-
-int hypfs_dbfs_create_file(struct hypfs_dbfs_file *df)
-{
-	df->dentry = debugfs_create_file(df->name, 0400, dbfs_dir, df,
-					 &dbfs_ops);
-	if (IS_ERR(df->dentry))
-		return PTR_ERR(df->dentry);
-	mutex_init(&df->lock);
-	INIT_DELAYED_WORK(&df->data_free_work, data_free_delayed);
-	return 0;
-}
-
-void hypfs_dbfs_remove_file(struct hypfs_dbfs_file *df)
-{
-	debugfs_remove(df->dentry);
-}
-
-int hypfs_dbfs_init(void)
-{
-	dbfs_dir = debugfs_create_dir("s390_hypfs", NULL);
-	if (IS_ERR(dbfs_dir))
-		return PTR_ERR(dbfs_dir);
-	return 0;
-}
-
-void hypfs_dbfs_exit(void)
-{
-	debugfs_remove(dbfs_dir);
-}