1 files changed, 0 insertions, 726 deletions

diff --git a/ANDROID_3.4.5/fs/ocfs2/stackglue.c b/ANDROID_3.4.5/fs/ocfs2/stackglue.c
deleted file mode 100644
index 39abf896..00000000
--- a/ANDROID_3.4.5/fs/ocfs2/stackglue.c
+++ /dev/null
@@ -1,726 +0,0 @@
-/* -*- mode: c; c-basic-offset: 8; -*-
- * vim: noexpandtab sw=8 ts=8 sts=0:
- *
- * stackglue.c
- *
- * Code which implements an OCFS2 specific interface to underlying
- * cluster stacks.
- *
- * Copyright (C) 2007, 2009 Oracle.  All rights reserved.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public
- * License as published by the Free Software Foundation, version 2.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * General Public License for more details.
- */
-
-#include <linux/list.h>
-#include <linux/spinlock.h>
-#include <linux/module.h>
-#include <linux/slab.h>
-#include <linux/kmod.h>
-#include <linux/fs.h>
-#include <linux/kobject.h>
-#include <linux/sysfs.h>
-#include <linux/sysctl.h>
-
-#include "ocfs2_fs.h"
-
-#include "stackglue.h"
-
-#define OCFS2_STACK_PLUGIN_O2CB		"o2cb"
-#define OCFS2_STACK_PLUGIN_USER		"user"
-#define OCFS2_MAX_HB_CTL_PATH		256
-
-static struct ocfs2_protocol_version locking_max_version;
-static DEFINE_SPINLOCK(ocfs2_stack_lock);
-static LIST_HEAD(ocfs2_stack_list);
-static char cluster_stack_name[OCFS2_STACK_LABEL_LEN + 1];
-static char ocfs2_hb_ctl_path[OCFS2_MAX_HB_CTL_PATH] = "/sbin/ocfs2_hb_ctl";
-
-/*
- * The stack currently in use.  If not null, active_stack->sp_count > 0,
- * the module is pinned, and the locking protocol cannot be changed.
- */
-static struct ocfs2_stack_plugin *active_stack;
-
-static struct ocfs2_stack_plugin *ocfs2_stack_lookup(const char *name)
-{
-	struct ocfs2_stack_plugin *p;
-
-	assert_spin_locked(&ocfs2_stack_lock);
-
-	list_for_each_entry(p, &ocfs2_stack_list, sp_list) {
-		if (!strcmp(p->sp_name, name))
-			return p;
-	}
-
-	return NULL;
-}
-
-static int ocfs2_stack_driver_request(const char *stack_name,
-				      const char *plugin_name)
-{
-	int rc;
-	struct ocfs2_stack_plugin *p;
-
-	spin_lock(&ocfs2_stack_lock);
-
-	/*
-	 * If the stack passed by the filesystem isn't the selected one,
-	 * we can't continue.
-	 */
-	if (strcmp(stack_name, cluster_stack_name)) {
-		rc = -EBUSY;
-		goto out;
-	}
-
-	if (active_stack) {
-		/*
-		 * If the active stack isn't the one we want, it cannot
-		 * be selected right now.
-		 */
-		if (!strcmp(active_stack->sp_name, plugin_name))
-			rc = 0;
-		else
-			rc = -EBUSY;
-		goto out;
-	}
-
-	p = ocfs2_stack_lookup(plugin_name);
-	if (!p || !try_module_get(p->sp_owner)) {
-		rc = -ENOENT;
-		goto out;
-	}
-
-	active_stack = p;
-	rc = 0;
-
-out:
-	/* If we found it, pin it */
-	if (!rc)
-		active_stack->sp_count++;
-
-	spin_unlock(&ocfs2_stack_lock);
-	return rc;
-}
-
-/*
- * This function looks up the appropriate stack and makes it active.  If
- * there is no stack, it tries to load it.  It will fail if the stack still
- * cannot be found.  It will also fail if a different stack is in use.
- */
-static int ocfs2_stack_driver_get(const char *stack_name)
-{
-	int rc;
-	char *plugin_name = OCFS2_STACK_PLUGIN_O2CB;
-
-	/*
-	 * Classic stack does not pass in a stack name.  This is
-	 * compatible with older tools as well.
-	 */
-	if (!stack_name || !*stack_name)
-		stack_name = OCFS2_STACK_PLUGIN_O2CB;
-
-	if (strlen(stack_name) != OCFS2_STACK_LABEL_LEN) {
-		printk(KERN_ERR
-		       "ocfs2 passed an invalid cluster stack label: \"%s\"\n",
-		       stack_name);
-		return -EINVAL;
-	}
-
-	/* Anything that isn't the classic stack is a user stack */
-	if (strcmp(stack_name, OCFS2_STACK_PLUGIN_O2CB))
-		plugin_name = OCFS2_STACK_PLUGIN_USER;
-
-	rc = ocfs2_stack_driver_request(stack_name, plugin_name);
-	if (rc == -ENOENT) {
-		request_module("ocfs2_stack_%s", plugin_name);
-		rc = ocfs2_stack_driver_request(stack_name, plugin_name);
-	}
-
-	if (rc == -ENOENT) {
-		printk(KERN_ERR
-		       "ocfs2: Cluster stack driver \"%s\" cannot be found\n",
-		       plugin_name);
-	} else if (rc == -EBUSY) {
-		printk(KERN_ERR
-		       "ocfs2: A different cluster stack is in use\n");
-	}
-
-	return rc;
-}
-
-static void ocfs2_stack_driver_put(void)
-{
-	spin_lock(&ocfs2_stack_lock);
-	BUG_ON(active_stack == NULL);
-	BUG_ON(active_stack->sp_count == 0);
-
-	active_stack->sp_count--;
-	if (!active_stack->sp_count) {
-		module_put(active_stack->sp_owner);
-		active_stack = NULL;
-	}
-	spin_unlock(&ocfs2_stack_lock);
-}
-
-int ocfs2_stack_glue_register(struct ocfs2_stack_plugin *plugin)
-{
-	int rc;
-
-	spin_lock(&ocfs2_stack_lock);
-	if (!ocfs2_stack_lookup(plugin->sp_name)) {
-		plugin->sp_count = 0;
-		plugin->sp_max_proto = locking_max_version;
-		list_add(&plugin->sp_list, &ocfs2_stack_list);
-		printk(KERN_INFO "ocfs2: Registered cluster interface %s\n",
-		       plugin->sp_name);
-		rc = 0;
-	} else {
-		printk(KERN_ERR "ocfs2: Stack \"%s\" already registered\n",
-		       plugin->sp_name);
-		rc = -EEXIST;
-	}
-	spin_unlock(&ocfs2_stack_lock);
-
-	return rc;
-}
-EXPORT_SYMBOL_GPL(ocfs2_stack_glue_register);
-
-void ocfs2_stack_glue_unregister(struct ocfs2_stack_plugin *plugin)
-{
-	struct ocfs2_stack_plugin *p;
-
-	spin_lock(&ocfs2_stack_lock);
-	p = ocfs2_stack_lookup(plugin->sp_name);
-	if (p) {
-		BUG_ON(p != plugin);
-		BUG_ON(plugin == active_stack);
-		BUG_ON(plugin->sp_count != 0);
-		list_del_init(&plugin->sp_list);
-		printk(KERN_INFO "ocfs2: Unregistered cluster interface %s\n",
-		       plugin->sp_name);
-	} else {
-		printk(KERN_ERR "Stack \"%s\" is not registered\n",
-		       plugin->sp_name);
-	}
-	spin_unlock(&ocfs2_stack_lock);
-}
-EXPORT_SYMBOL_GPL(ocfs2_stack_glue_unregister);
-
-void ocfs2_stack_glue_set_max_proto_version(struct ocfs2_protocol_version *max_proto)
-{
-	struct ocfs2_stack_plugin *p;
-
-	spin_lock(&ocfs2_stack_lock);
-	if (memcmp(max_proto, &locking_max_version,
-		   sizeof(struct ocfs2_protocol_version))) {
-		BUG_ON(locking_max_version.pv_major != 0);
-
-		locking_max_version = *max_proto;
-		list_for_each_entry(p, &ocfs2_stack_list, sp_list) {
-			p->sp_max_proto = locking_max_version;
-		}
-	}
-	spin_unlock(&ocfs2_stack_lock);
-}
-EXPORT_SYMBOL_GPL(ocfs2_stack_glue_set_max_proto_version);
-
-
-/*
- * The ocfs2_dlm_lock() and ocfs2_dlm_unlock() functions take no argument
- * for the ast and bast functions.  They will pass the lksb to the ast
- * and bast.  The caller can wrap the lksb with their own structure to
- * get more information.
- */
-int ocfs2_dlm_lock(struct ocfs2_cluster_connection *conn,
-		   int mode,
-		   struct ocfs2_dlm_lksb *lksb,
-		   u32 flags,
-		   void *name,
-		   unsigned int namelen)
-{
-	if (!lksb->lksb_conn)
-		lksb->lksb_conn = conn;
-	else
-		BUG_ON(lksb->lksb_conn != conn);
-	return active_stack->sp_ops->dlm_lock(conn, mode, lksb, flags,
-					      name, namelen);
-}
-EXPORT_SYMBOL_GPL(ocfs2_dlm_lock);
-
-int ocfs2_dlm_unlock(struct ocfs2_cluster_connection *conn,
-		     struct ocfs2_dlm_lksb *lksb,
-		     u32 flags)
-{
-	BUG_ON(lksb->lksb_conn == NULL);
-
-	return active_stack->sp_ops->dlm_unlock(conn, lksb, flags);
-}
-EXPORT_SYMBOL_GPL(ocfs2_dlm_unlock);
-
-int ocfs2_dlm_lock_status(struct ocfs2_dlm_lksb *lksb)
-{
-	return active_stack->sp_ops->lock_status(lksb);
-}
-EXPORT_SYMBOL_GPL(ocfs2_dlm_lock_status);
-
-int ocfs2_dlm_lvb_valid(struct ocfs2_dlm_lksb *lksb)
-{
-	return active_stack->sp_ops->lvb_valid(lksb);
-}
-EXPORT_SYMBOL_GPL(ocfs2_dlm_lvb_valid);
-
-void *ocfs2_dlm_lvb(struct ocfs2_dlm_lksb *lksb)
-{
-	return active_stack->sp_ops->lock_lvb(lksb);
-}
-EXPORT_SYMBOL_GPL(ocfs2_dlm_lvb);
-
-void ocfs2_dlm_dump_lksb(struct ocfs2_dlm_lksb *lksb)
-{
-	active_stack->sp_ops->dump_lksb(lksb);
-}
-EXPORT_SYMBOL_GPL(ocfs2_dlm_dump_lksb);
-
-int ocfs2_stack_supports_plocks(void)
-{
-	return active_stack && active_stack->sp_ops->plock;
-}
-EXPORT_SYMBOL_GPL(ocfs2_stack_supports_plocks);
-
-/*
- * ocfs2_plock() can only be safely called if
- * ocfs2_stack_supports_plocks() returned true
- */
-int ocfs2_plock(struct ocfs2_cluster_connection *conn, u64 ino,
-		struct file *file, int cmd, struct file_lock *fl)
-{
-	WARN_ON_ONCE(active_stack->sp_ops->plock == NULL);
-	if (active_stack->sp_ops->plock)
-		return active_stack->sp_ops->plock(conn, ino, file, cmd, fl);
-	return -EOPNOTSUPP;
-}
-EXPORT_SYMBOL_GPL(ocfs2_plock);
-
-int ocfs2_cluster_connect(const char *stack_name,
-			  const char *group,
-			  int grouplen,
-			  struct ocfs2_locking_protocol *lproto,
-			  void (*recovery_handler)(int node_num,
-						   void *recovery_data),
-			  void *recovery_data,
-			  struct ocfs2_cluster_connection **conn)
-{
-	int rc = 0;
-	struct ocfs2_cluster_connection *new_conn;
-
-	BUG_ON(group == NULL);
-	BUG_ON(conn == NULL);
-	BUG_ON(recovery_handler == NULL);
-
-	if (grouplen > GROUP_NAME_MAX) {
-		rc = -EINVAL;
-		goto out;
-	}
-
-	if (memcmp(&lproto->lp_max_version, &locking_max_version,
-		   sizeof(struct ocfs2_protocol_version))) {
-		rc = -EINVAL;
-		goto out;
-	}
-
-	new_conn = kzalloc(sizeof(struct ocfs2_cluster_connection),
-			   GFP_KERNEL);
-	if (!new_conn) {
-		rc = -ENOMEM;
-		goto out;
-	}
-
-	memcpy(new_conn->cc_name, group, grouplen);
-	new_conn->cc_namelen = grouplen;
-	new_conn->cc_recovery_handler = recovery_handler;
-	new_conn->cc_recovery_data = recovery_data;
-
-	new_conn->cc_proto = lproto;
-	/* Start the new connection at our maximum compatibility level */
-	new_conn->cc_version = lproto->lp_max_version;
-
-	/* This will pin the stack driver if successful */
-	rc = ocfs2_stack_driver_get(stack_name);
-	if (rc)
-		goto out_free;
-
-	rc = active_stack->sp_ops->connect(new_conn);
-	if (rc) {
-		ocfs2_stack_driver_put();
-		goto out_free;
-	}
-
-	*conn = new_conn;
-
-out_free:
-	if (rc)
-		kfree(new_conn);
-
-out:
-	return rc;
-}
-EXPORT_SYMBOL_GPL(ocfs2_cluster_connect);
-
-/* The caller will ensure all nodes have the same cluster stack */
-int ocfs2_cluster_connect_agnostic(const char *group,
-				   int grouplen,
-				   struct ocfs2_locking_protocol *lproto,
-				   void (*recovery_handler)(int node_num,
-							    void *recovery_data),
-				   void *recovery_data,
-				   struct ocfs2_cluster_connection **conn)
-{
-	char *stack_name = NULL;
-
-	if (cluster_stack_name[0])
-		stack_name = cluster_stack_name;
-	return ocfs2_cluster_connect(stack_name, group, grouplen, lproto,
-				     recovery_handler, recovery_data, conn);
-}
-EXPORT_SYMBOL_GPL(ocfs2_cluster_connect_agnostic);
-
-/* If hangup_pending is 0, the stack driver will be dropped */
-int ocfs2_cluster_disconnect(struct ocfs2_cluster_connection *conn,
-			     int hangup_pending)
-{
-	int ret;
-
-	BUG_ON(conn == NULL);
-
-	ret = active_stack->sp_ops->disconnect(conn);
-
-	/* XXX Should we free it anyway? */
-	if (!ret) {
-		kfree(conn);
-		if (!hangup_pending)
-			ocfs2_stack_driver_put();
-	}
-
-	return ret;
-}
-EXPORT_SYMBOL_GPL(ocfs2_cluster_disconnect);
-
-/*
- * Leave the group for this filesystem.  This is executed by a userspace
- * program (stored in ocfs2_hb_ctl_path).
- */
-static void ocfs2_leave_group(const char *group)
-{
-	int ret;
-	char *argv[5], *envp[3];
-
-	argv[0] = ocfs2_hb_ctl_path;
-	argv[1] = "-K";
-	argv[2] = "-u";
-	argv[3] = (char *)group;
-	argv[4] = NULL;
-
-	/* minimal command environment taken from cpu_run_sbin_hotplug */
-	envp[0] = "HOME=/";
-	envp[1] = "PATH=/sbin:/bin:/usr/sbin:/usr/bin";
-	envp[2] = NULL;
-
-	ret = call_usermodehelper(argv[0], argv, envp, UMH_WAIT_PROC);
-	if (ret < 0) {
-		printk(KERN_ERR
-		       "ocfs2: Error %d running user helper "
-		       "\"%s %s %s %s\"\n",
-		       ret, argv[0], argv[1], argv[2], argv[3]);
-	}
-}
-
-/*
- * Hangup is a required post-umount.  ocfs2-tools software expects the
- * filesystem to call "ocfs2_hb_ctl" during unmount.  This happens
- * regardless of whether the DLM got started, so we can't do it
- * in ocfs2_cluster_disconnect().  The ocfs2_leave_group() function does
- * the actual work.
- */
-void ocfs2_cluster_hangup(const char *group, int grouplen)
-{
-	BUG_ON(group == NULL);
-	BUG_ON(group[grouplen] != '\0');
-
-	ocfs2_leave_group(group);
-
-	/* cluster_disconnect() was called with hangup_pending==1 */
-	ocfs2_stack_driver_put();
-}
-EXPORT_SYMBOL_GPL(ocfs2_cluster_hangup);
-
-int ocfs2_cluster_this_node(unsigned int *node)
-{
-	return active_stack->sp_ops->this_node(node);
-}
-EXPORT_SYMBOL_GPL(ocfs2_cluster_this_node);
-
-
-/*
- * Sysfs bits
- */
-
-static ssize_t ocfs2_max_locking_protocol_show(struct kobject *kobj,
-					       struct kobj_attribute *attr,
-					       char *buf)
-{
-	ssize_t ret = 0;
-
-	spin_lock(&ocfs2_stack_lock);
-	if (locking_max_version.pv_major)
-		ret = snprintf(buf, PAGE_SIZE, "%u.%u\n",
-			       locking_max_version.pv_major,
-			       locking_max_version.pv_minor);
-	spin_unlock(&ocfs2_stack_lock);
-
-	return ret;
-}
-
-static struct kobj_attribute ocfs2_attr_max_locking_protocol =
-	__ATTR(max_locking_protocol, S_IFREG | S_IRUGO,
-	       ocfs2_max_locking_protocol_show, NULL);
-
-static ssize_t ocfs2_loaded_cluster_plugins_show(struct kobject *kobj,
-						 struct kobj_attribute *attr,
-						 char *buf)
-{
-	ssize_t ret = 0, total = 0, remain = PAGE_SIZE;
-	struct ocfs2_stack_plugin *p;
-
-	spin_lock(&ocfs2_stack_lock);
-	list_for_each_entry(p, &ocfs2_stack_list, sp_list) {
-		ret = snprintf(buf, remain, "%s\n",
-			       p->sp_name);
-		if (ret < 0) {
-			total = ret;
-			break;
-		}
-		if (ret == remain) {
-			/* snprintf() didn't fit */
-			total = -E2BIG;
-			break;
-		}
-		total += ret;
-		remain -= ret;
-	}
-	spin_unlock(&ocfs2_stack_lock);
-
-	return total;
-}
-
-static struct kobj_attribute ocfs2_attr_loaded_cluster_plugins =
-	__ATTR(loaded_cluster_plugins, S_IFREG | S_IRUGO,
-	       ocfs2_loaded_cluster_plugins_show, NULL);
-
-static ssize_t ocfs2_active_cluster_plugin_show(struct kobject *kobj,
-						struct kobj_attribute *attr,
-						char *buf)
-{
-	ssize_t ret = 0;
-
-	spin_lock(&ocfs2_stack_lock);
-	if (active_stack) {
-		ret = snprintf(buf, PAGE_SIZE, "%s\n",
-			       active_stack->sp_name);
-		if (ret == PAGE_SIZE)
-			ret = -E2BIG;
-	}
-	spin_unlock(&ocfs2_stack_lock);
-
-	return ret;
-}
-
-static struct kobj_attribute ocfs2_attr_active_cluster_plugin =
-	__ATTR(active_cluster_plugin, S_IFREG | S_IRUGO,
-	       ocfs2_active_cluster_plugin_show, NULL);
-
-static ssize_t ocfs2_cluster_stack_show(struct kobject *kobj,
-					struct kobj_attribute *attr,
-					char *buf)
-{
-	ssize_t ret;
-	spin_lock(&ocfs2_stack_lock);
-	ret = snprintf(buf, PAGE_SIZE, "%s\n", cluster_stack_name);
-	spin_unlock(&ocfs2_stack_lock);
-
-	return ret;
-}
-
-static ssize_t ocfs2_cluster_stack_store(struct kobject *kobj,
-					 struct kobj_attribute *attr,
-					 const char *buf, size_t count)
-{
-	size_t len = count;
-	ssize_t ret;
-
-	if (len == 0)
-		return len;
-
-	if (buf[len - 1] == '\n')
-		len--;
-
-	if ((len != OCFS2_STACK_LABEL_LEN) ||
-	    (strnlen(buf, len) != len))
-		return -EINVAL;
-
-	spin_lock(&ocfs2_stack_lock);
-	if (active_stack) {
-		if (!strncmp(buf, cluster_stack_name, len))
-			ret = count;
-		else
-			ret = -EBUSY;
-	} else {
-		memcpy(cluster_stack_name, buf, len);
-		ret = count;
-	}
-	spin_unlock(&ocfs2_stack_lock);
-
-	return ret;
-}
-
-
-static struct kobj_attribute ocfs2_attr_cluster_stack =
-	__ATTR(cluster_stack, S_IFREG | S_IRUGO | S_IWUSR,
-	       ocfs2_cluster_stack_show,
-	       ocfs2_cluster_stack_store);
-
-static struct attribute *ocfs2_attrs[] = {
-	&ocfs2_attr_max_locking_protocol.attr,
-	&ocfs2_attr_loaded_cluster_plugins.attr,
-	&ocfs2_attr_active_cluster_plugin.attr,
-	&ocfs2_attr_cluster_stack.attr,
-	NULL,
-};
-
-static struct attribute_group ocfs2_attr_group = {
-	.attrs = ocfs2_attrs,
-};
-
-static struct kset *ocfs2_kset;
-
-static void ocfs2_sysfs_exit(void)
-{
-	kset_unregister(ocfs2_kset);
-}
-
-static int ocfs2_sysfs_init(void)
-{
-	int ret;
-
-	ocfs2_kset = kset_create_and_add("ocfs2", NULL, fs_kobj);
-	if (!ocfs2_kset)
-		return -ENOMEM;
-
-	ret = sysfs_create_group(&ocfs2_kset->kobj, &ocfs2_attr_group);
-	if (ret)
-		goto error;
-
-	return 0;
-
-error:
-	kset_unregister(ocfs2_kset);
-	return ret;
-}
-
-/*
- * Sysctl bits
- *
- * The sysctl lives at /proc/sys/fs/ocfs2/nm/hb_ctl_path.  The 'nm' doesn't
- * make as much sense in a multiple cluster stack world, but it's safer
- * and easier to preserve the name.
- */
-
-#define FS_OCFS2_NM		1
-
-static ctl_table ocfs2_nm_table[] = {
-	{
-		.procname	= "hb_ctl_path",
-		.data		= ocfs2_hb_ctl_path,
-		.maxlen		= OCFS2_MAX_HB_CTL_PATH,
-		.mode		= 0644,
-		.proc_handler	= proc_dostring,
-	},
-	{ }
-};
-
-static ctl_table ocfs2_mod_table[] = {
-	{
-		.procname	= "nm",
-		.data		= NULL,
-		.maxlen		= 0,
-		.mode		= 0555,
-		.child		= ocfs2_nm_table
-	},
-	{ }
-};
-
-static ctl_table ocfs2_kern_table[] = {
-	{
-		.procname	= "ocfs2",
-		.data		= NULL,
-		.maxlen		= 0,
-		.mode		= 0555,
-		.child		= ocfs2_mod_table
-	},
-	{ }
-};
-
-static ctl_table ocfs2_root_table[] = {
-	{
-		.procname	= "fs",
-		.data		= NULL,
-		.maxlen		= 0,
-		.mode		= 0555,
-		.child		= ocfs2_kern_table
-	},
-	{ }
-};
-
-static struct ctl_table_header *ocfs2_table_header = NULL;
-
-
-/*
- * Initialization
- */
-
-static int __init ocfs2_stack_glue_init(void)
-{
-	strcpy(cluster_stack_name, OCFS2_STACK_PLUGIN_O2CB);
-
-	ocfs2_table_header = register_sysctl_table(ocfs2_root_table);
-	if (!ocfs2_table_header) {
-		printk(KERN_ERR
-		       "ocfs2 stack glue: unable to register sysctl\n");
-		return -ENOMEM; /* or something. */
-	}
-
-	return ocfs2_sysfs_init();
-}
-
-static void __exit ocfs2_stack_glue_exit(void)
-{
-	memset(&locking_max_version, 0,
-	       sizeof(struct ocfs2_protocol_version));
-	locking_max_version.pv_major = 0;
-	locking_max_version.pv_minor = 0;
-	ocfs2_sysfs_exit();
-	if (ocfs2_table_header)
-		unregister_sysctl_table(ocfs2_table_header);
-}
-
-MODULE_AUTHOR("Oracle");
-MODULE_DESCRIPTION("ocfs2 cluter stack glue layer");
-MODULE_LICENSE("GPL");
-module_init(ocfs2_stack_glue_init);
-module_exit(ocfs2_stack_glue_exit);