[GitHub/mt8127/android_kernel_alcatel_ttab.git] / fs / ocfs2 / acl.c

/* -*- mode: c; c-basic-offset: 8; -*-
 * vim: noexpandtab sw=8 ts=8 sts=0:
 *
 * acl.c
 *
 * Copyright (C) 2004, 2008 Oracle.  All rights reserved.
 *
 * CREDITS:
 * Lots of code in this file is copy from linux/fs/ext3/acl.c.
 * Copyright (C) 2001-2003 Andreas Gruenbacher, <agruen@suse.de>
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public
 * License version 2 as published by the Free Software Foundation.
 *
 * 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/init.h>
#include <linux/module.h>
#include <linux/string.h>

#define MLOG_MASK_PREFIX ML_INODE
#include <cluster/masklog.h>

#include "ocfs2.h"
#include "alloc.h"
#include "dlmglue.h"
#include "file.h"
#include "ocfs2_fs.h"

#include "xattr.h"
#include "acl.h"

/*
 * Convert from xattr value to acl struct.
 */
static struct posix_acl *ocfs2_acl_from_xattr(const void *value, size_t size)
{
	int n, count;
	struct posix_acl *acl;

	if (!value)
		return NULL;
	if (size < sizeof(struct posix_acl_entry))
		return ERR_PTR(-EINVAL);

	count = size / sizeof(struct posix_acl_entry);
	if (count < 0)
		return ERR_PTR(-EINVAL);
	if (count == 0)
		return NULL;

	acl = posix_acl_alloc(count, GFP_NOFS);
	if (!acl)
		return ERR_PTR(-ENOMEM);
	for (n = 0; n < count; n++) {
		struct ocfs2_acl_entry *entry =
			(struct ocfs2_acl_entry *)value;

		acl->a_entries[n].e_tag  = le16_to_cpu(entry->e_tag);
		acl->a_entries[n].e_perm = le16_to_cpu(entry->e_perm);
		acl->a_entries[n].e_id   = le32_to_cpu(entry->e_id);
		value += sizeof(struct posix_acl_entry);

	}
	return acl;
}

/*
 * Convert acl struct to xattr value.
 */
static void *ocfs2_acl_to_xattr(const struct posix_acl *acl, size_t *size)
{
	struct ocfs2_acl_entry *entry = NULL;
	char *ocfs2_acl;
	size_t n;

	*size = acl->a_count * sizeof(struct posix_acl_entry);

	ocfs2_acl = kmalloc(*size, GFP_NOFS);
	if (!ocfs2_acl)
		return ERR_PTR(-ENOMEM);

	entry = (struct ocfs2_acl_entry *)ocfs2_acl;
	for (n = 0; n < acl->a_count; n++, entry++) {
		entry->e_tag  = cpu_to_le16(acl->a_entries[n].e_tag);
		entry->e_perm = cpu_to_le16(acl->a_entries[n].e_perm);
		entry->e_id   = cpu_to_le32(acl->a_entries[n].e_id);
	}
	return ocfs2_acl;
}

static struct posix_acl *ocfs2_get_acl_nolock(struct inode *inode,
					      int type,
					      struct buffer_head *di_bh)
{
	struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
	int name_index;
	char *value = NULL;
	struct posix_acl *acl;
	int retval;

	if (!(osb->s_mount_opt & OCFS2_MOUNT_POSIX_ACL))
		return NULL;

	switch (type) {
	case ACL_TYPE_ACCESS:
		name_index = OCFS2_XATTR_INDEX_POSIX_ACL_ACCESS;
		break;
	case ACL_TYPE_DEFAULT:
		name_index = OCFS2_XATTR_INDEX_POSIX_ACL_DEFAULT;
		break;
	default:
		return ERR_PTR(-EINVAL);
	}

	retval = ocfs2_xattr_get_nolock(inode, di_bh, name_index, "", NULL, 0);
	if (retval > 0) {
		value = kmalloc(retval, GFP_NOFS);
		if (!value)
			return ERR_PTR(-ENOMEM);
		retval = ocfs2_xattr_get_nolock(inode, di_bh, name_index,
						"", value, retval);
	}

	if (retval > 0)
		acl = ocfs2_acl_from_xattr(value, retval);
	else if (retval == -ENODATA || retval == 0)
		acl = NULL;
	else
		acl = ERR_PTR(retval);

	kfree(value);

	return acl;
}


/*
 * Get posix acl.
 */
static struct posix_acl *ocfs2_get_acl(struct inode *inode, int type)
{
	struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
	struct buffer_head *di_bh = NULL;
	struct posix_acl *acl;
	int ret;

	if (!(osb->s_mount_opt & OCFS2_MOUNT_POSIX_ACL))
		return NULL;

	ret = ocfs2_inode_lock(inode, &di_bh, 0);
	if (ret < 0) {
		mlog_errno(ret);
		acl = ERR_PTR(ret);
		return acl;
	}

	acl = ocfs2_get_acl_nolock(inode, type, di_bh);

	ocfs2_inode_unlock(inode, 0);

	brelse(di_bh);

	return acl;
}

/*
 * Set the access or default ACL of an inode.
 */
static int ocfs2_set_acl(handle_t *handle,
			 struct inode *inode,
			 struct buffer_head *di_bh,
			 int type,
			 struct posix_acl *acl,
			 struct ocfs2_alloc_context *meta_ac,
			 struct ocfs2_alloc_context *data_ac)
{
	int name_index;
	void *value = NULL;
	size_t size = 0;
	int ret;

	if (S_ISLNK(inode->i_mode))
		return -EOPNOTSUPP;

	switch (type) {
	case ACL_TYPE_ACCESS:
		name_index = OCFS2_XATTR_INDEX_POSIX_ACL_ACCESS;
		if (acl) {
			mode_t mode = inode->i_mode;
			ret = posix_acl_equiv_mode(acl, &mode);
			if (ret < 0)
				return ret;
			else {
				inode->i_mode = mode;
				if (ret == 0)
					acl = NULL;
			}
		}
		break;
	case ACL_TYPE_DEFAULT:
		name_index = OCFS2_XATTR_INDEX_POSIX_ACL_DEFAULT;
		if (!S_ISDIR(inode->i_mode))
			return acl ? -EACCES : 0;
		break;
	default:
		return -EINVAL;
	}

	if (acl) {
		value = ocfs2_acl_to_xattr(acl, &size);
		if (IS_ERR(value))
			return (int)PTR_ERR(value);
	}

	if (handle)
		ret = ocfs2_xattr_set_handle(handle, inode, di_bh, name_index,
					     "", value, size, 0,
					     meta_ac, data_ac);
	else
		ret = ocfs2_xattr_set(inode, name_index, "", value, size, 0);

	kfree(value);

	return ret;
}

int ocfs2_check_acl(struct inode *inode, int mask)
{
	struct posix_acl *acl = ocfs2_get_acl(inode, ACL_TYPE_ACCESS);

	if (IS_ERR(acl))
		return PTR_ERR(acl);
	if (acl) {
		int ret = posix_acl_permission(inode, acl, mask);
		posix_acl_release(acl);
		return ret;
	}

	return -EAGAIN;
}

static size_t ocfs2_xattr_list_acl_access(struct inode *inode,
					  char *list,
					  size_t list_len,
					  const char *name,
					  size_t name_len)
{
	struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
	const size_t size = sizeof(POSIX_ACL_XATTR_ACCESS);

	if (!(osb->s_mount_opt & OCFS2_MOUNT_POSIX_ACL))
		return 0;

	if (list && size <= list_len)
		memcpy(list, POSIX_ACL_XATTR_ACCESS, size);
	return size;
}

static size_t ocfs2_xattr_list_acl_default(struct inode *inode,
					   char *list,
					   size_t list_len,
					   const char *name,
					   size_t name_len)
{
	struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
	const size_t size = sizeof(POSIX_ACL_XATTR_DEFAULT);

	if (!(osb->s_mount_opt & OCFS2_MOUNT_POSIX_ACL))
		return 0;

	if (list && size <= list_len)
		memcpy(list, POSIX_ACL_XATTR_DEFAULT, size);
	return size;
}

static int ocfs2_xattr_get_acl(struct inode *inode,
			       int type,
			       void *buffer,
			       size_t size)
{
	struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
	struct posix_acl *acl;
	int ret;

	if (!(osb->s_mount_opt & OCFS2_MOUNT_POSIX_ACL))
		return -EOPNOTSUPP;

	acl = ocfs2_get_acl(inode, type);
	if (IS_ERR(acl))
		return PTR_ERR(acl);
	if (acl == NULL)
		return -ENODATA;
	ret = posix_acl_to_xattr(acl, buffer, size);
	posix_acl_release(acl);

	return ret;
}

static int ocfs2_xattr_get_acl_access(struct inode *inode,
				      const char *name,
				      void *buffer,
				      size_t size)
{
	if (strcmp(name, "") != 0)
		return -EINVAL;
	return ocfs2_xattr_get_acl(inode, ACL_TYPE_ACCESS, buffer, size);
}

static int ocfs2_xattr_get_acl_default(struct inode *inode,
				       const char *name,
				       void *buffer,
				       size_t size)
{
	if (strcmp(name, "") != 0)
		return -EINVAL;
	return ocfs2_xattr_get_acl(inode, ACL_TYPE_DEFAULT, buffer, size);
}

static int ocfs2_xattr_set_acl(struct inode *inode,
			       int type,
			       const void *value,
			       size_t size)
{
	struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
	struct posix_acl *acl;
	int ret = 0;

	if (!(osb->s_mount_opt & OCFS2_MOUNT_POSIX_ACL))
		return -EOPNOTSUPP;

	if (!is_owner_or_cap(inode))
		return -EPERM;

	if (value) {
		acl = posix_acl_from_xattr(value, size);
		if (IS_ERR(acl))
			return PTR_ERR(acl);
		else if (acl) {
			ret = posix_acl_valid(acl);
			if (ret)
				goto cleanup;
		}
	} else
		acl = NULL;

	ret = ocfs2_set_acl(NULL, inode, NULL, type, acl, NULL, NULL);

cleanup:
	posix_acl_release(acl);
	return ret;
}

static int ocfs2_xattr_set_acl_access(struct inode *inode,
				      const char *name,
				      const void *value,
				      size_t size,
				      int flags)
{
	if (strcmp(name, "") != 0)
		return -EINVAL;
	return ocfs2_xattr_set_acl(inode, ACL_TYPE_ACCESS, value, size);
}

static int ocfs2_xattr_set_acl_default(struct inode *inode,
				       const char *name,
				       const void *value,
				       size_t size,
				       int flags)
{
	if (strcmp(name, "") != 0)
		return -EINVAL;
	return ocfs2_xattr_set_acl(inode, ACL_TYPE_DEFAULT, value, size);
}

struct xattr_handler ocfs2_xattr_acl_access_handler = {
	.prefix	= POSIX_ACL_XATTR_ACCESS,
	.list	= ocfs2_xattr_list_acl_access,
	.get	= ocfs2_xattr_get_acl_access,
	.set	= ocfs2_xattr_set_acl_access,
};

struct xattr_handler ocfs2_xattr_acl_default_handler = {
	.prefix	= POSIX_ACL_XATTR_DEFAULT,
	.list	= ocfs2_xattr_list_acl_default,
	.get	= ocfs2_xattr_get_acl_default,
	.set	= ocfs2_xattr_set_acl_default,
};
Commit	Line	Data
929fb014 TY	1	/* -- mode: c; c-basic-offset: 8; --
	2	* vim: noexpandtab sw=8 ts=8 sts=0:
	3	*
	4	* acl.c
	5	*
	6	* Copyright (C) 2004, 2008 Oracle. All rights reserved.
	7	*
	8	* CREDITS:
	9	* Lots of code in this file is copy from linux/fs/ext3/acl.c.
	10	* Copyright (C) 2001-2003 Andreas Gruenbacher, <agruen@suse.de>
	11	*
	12	* This program is free software; you can redistribute it and/or
	13	* modify it under the terms of the GNU General Public
	14	* License version 2 as published by the Free Software Foundation.
	15	*
	16	* This program is distributed in the hope that it will be useful,
	17	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	18	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	19	* General Public License for more details.
	20	*/
	21
	22	#include <linux/init.h>
	23	#include <linux/module.h>
	24	#include <linux/string.h>
	25
	26	#define MLOG_MASK_PREFIX ML_INODE
	27	#include <cluster/masklog.h>
	28
	29	#include "ocfs2.h"
	30	#include "alloc.h"
	31	#include "dlmglue.h"
	32	#include "file.h"
	33	#include "ocfs2_fs.h"
	34
	35	#include "xattr.h"
	36	#include "acl.h"
	37
	38	/*
	39	* Convert from xattr value to acl struct.
	40	*/
	41	static struct posix_acl ocfs2_acl_from_xattr(const void value, size_t size)
	42	{
	43	int n, count;
	44	struct posix_acl *acl;
	45
	46	if (!value)
	47	return NULL;
	48	if (size < sizeof(struct posix_acl_entry))
	49	return ERR_PTR(-EINVAL);
	50
	51	count = size / sizeof(struct posix_acl_entry);
	52	if (count < 0)
	53	return ERR_PTR(-EINVAL);
	54	if (count == 0)
	55	return NULL;
	56
	57	acl = posix_acl_alloc(count, GFP_NOFS);
	58	if (!acl)
	59	return ERR_PTR(-ENOMEM);
	60	for (n = 0; n < count; n++) {
	61	struct ocfs2_acl_entry *entry =
	62	(struct ocfs2_acl_entry *)value;
	63
	64	acl->a_entries[n].e_tag = le16_to_cpu(entry->e_tag);
65	acl->a_entries[n].e_perm = le16_to_cpu(entry->e_perm);
66	acl->a_entries[n].e_id = le32_to_cpu(entry->e_id);
67	value += sizeof(struct posix_acl_entry);
68
69	}
70	return acl;
71	}
72
73	/*
74	* Convert acl struct to xattr value.
75	*/
76	static void ocfs2_acl_to_xattr(const struct posix_acl acl, size_t *size)
77	{
78	struct ocfs2_acl_entry *entry = NULL;
79	char *ocfs2_acl;
80	size_t n;
81
82	size = acl->a_count sizeof(struct posix_acl_entry);
83
84	ocfs2_acl = kmalloc(*size, GFP_NOFS);
85	if (!ocfs2_acl)
86	return ERR_PTR(-ENOMEM);
87
88	entry = (struct ocfs2_acl_entry *)ocfs2_acl;
89	for (n = 0; n < acl->a_count; n++, entry++) {
90	entry->e_tag = cpu_to_le16(acl->a_entries[n].e_tag);
91	entry->e_perm = cpu_to_le16(acl->a_entries[n].e_perm);
92	entry->e_id = cpu_to_le32(acl->a_entries[n].e_id);
93	}
94	return ocfs2_acl;
95	}
96
97	static struct posix_acl ocfs2_get_acl_nolock(struct inode inode,
98	int type,
99	struct buffer_head *di_bh)
100	{
101	struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
102	int name_index;
103	char *value = NULL;
104	struct posix_acl *acl;
105	int retval;
106
107	if (!(osb->s_mount_opt & OCFS2_MOUNT_POSIX_ACL))
108	return NULL;
109
110	switch (type) {
111	case ACL_TYPE_ACCESS:
112	name_index = OCFS2_XATTR_INDEX_POSIX_ACL_ACCESS;
113	break;
114	case ACL_TYPE_DEFAULT:
115	name_index = OCFS2_XATTR_INDEX_POSIX_ACL_DEFAULT;
116	break;
117	default:
118	return ERR_PTR(-EINVAL);
119	}
120
121	retval = ocfs2_xattr_get_nolock(inode, di_bh, name_index, "", NULL, 0);
122	if (retval > 0) {
123	value = kmalloc(retval, GFP_NOFS);
124	if (!value)
125	return ERR_PTR(-ENOMEM);
126	retval = ocfs2_xattr_get_nolock(inode, di_bh, name_index,
127	"", value, retval);
128	}
129
130	if (retval > 0)
131	acl = ocfs2_acl_from_xattr(value, retval);
132	else if (retval == -ENODATA \|\| retval == 0)
133	acl = NULL;
134	else
135	acl = ERR_PTR(retval);
136
137	kfree(value);
138
139	return acl;
140	}
141
142
143	/*
144	* Get posix acl.
145	*/
146	static struct posix_acl ocfs2_get_acl(struct inode inode, int type)
147	{
148	struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
149	struct buffer_head *di_bh = NULL;
150	struct posix_acl *acl;
151	int ret;
152
153	if (!(osb->s_mount_opt & OCFS2_MOUNT_POSIX_ACL))
154	return NULL;
155
156	ret = ocfs2_inode_lock(inode, &di_bh, 0);
157	if (ret < 0) {
158	mlog_errno(ret);
159	acl = ERR_PTR(ret);
160	return acl;
161	}
162
163	acl = ocfs2_get_acl_nolock(inode, type, di_bh);
164
165	ocfs2_inode_unlock(inode, 0);
166
167	brelse(di_bh);
168
169	return acl;
170	}
171
172	/*
173	* Set the access or default ACL of an inode.
174	*/
175	static int ocfs2_set_acl(handle_t *handle,
176	struct inode *inode,
177	struct buffer_head *di_bh,
178	int type,
179	struct posix_acl *acl,
180	struct ocfs2_alloc_context *meta_ac,
181	struct ocfs2_alloc_context *data_ac)
182	{
183	int name_index;
184	void *value = NULL;
185	size_t size = 0;
186	int ret;
187
188	if (S_ISLNK(inode->i_mode))
189	return -EOPNOTSUPP;
190
191	switch (type) {
192	case ACL_TYPE_ACCESS:
193	name_index = OCFS2_XATTR_INDEX_POSIX_ACL_ACCESS;
194	if (acl) {
195	mode_t mode = inode->i_mode;
196	ret = posix_acl_equiv_mode(acl, &mode);
197	if (ret < 0)
198	return ret;
199	else {
200	inode->i_mode = mode;
201	if (ret == 0)
202	acl = NULL;
203	}
204	}
205	break;
206	case ACL_TYPE_DEFAULT:
207	name_index = OCFS2_XATTR_INDEX_POSIX_ACL_DEFAULT;
208	if (!S_ISDIR(inode->i_mode))
209	return acl ? -EACCES : 0;
210	break;
211	default:
212	return -EINVAL;
213	}
214
215	if (acl) {
216	value = ocfs2_acl_to_xattr(acl, &size);
217	if (IS_ERR(value))
218	return (int)PTR_ERR(value);
219	}
220
221	if (handle)
222	ret = ocfs2_xattr_set_handle(handle, inode, di_bh, name_index,
223	"", value, size, 0,
224	meta_ac, data_ac);
225	else
226	ret = ocfs2_xattr_set(inode, name_index, "", value, size, 0);
227
228	kfree(value);
229
230	return ret;
231	}
232
23fc2702 TY	233	int ocfs2_check_acl(struct inode *inode, int mask)
	234	{
	235	struct posix_acl *acl = ocfs2_get_acl(inode, ACL_TYPE_ACCESS);
	236
	237	if (IS_ERR(acl))
	238	return PTR_ERR(acl);
	239	if (acl) {
	240	int ret = posix_acl_permission(inode, acl, mask);
	241	posix_acl_release(acl);
	242	return ret;
	243	}
	244
	245	return -EAGAIN;
	246	}
	247
929fb014 TY	248	static size_t ocfs2_xattr_list_acl_access(struct inode *inode,
	249	char *list,
	250	size_t list_len,
	251	const char *name,
	252	size_t name_len)
	253	{
	254	struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
	255	const size_t size = sizeof(POSIX_ACL_XATTR_ACCESS);
	256
	257	if (!(osb->s_mount_opt & OCFS2_MOUNT_POSIX_ACL))
	258	return 0;
	259
	260	if (list && size <= list_len)
	261	memcpy(list, POSIX_ACL_XATTR_ACCESS, size);
	262	return size;
	263	}
	264
	265	static size_t ocfs2_xattr_list_acl_default(struct inode *inode,
	266	char *list,
	267	size_t list_len,
	268	const char *name,
	269	size_t name_len)
	270	{
	271	struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
	272	const size_t size = sizeof(POSIX_ACL_XATTR_DEFAULT);
	273
	274	if (!(osb->s_mount_opt & OCFS2_MOUNT_POSIX_ACL))
	275	return 0;
	276
	277	if (list && size <= list_len)
	278	memcpy(list, POSIX_ACL_XATTR_DEFAULT, size);
	279	return size;
	280	}
	281
	282	static int ocfs2_xattr_get_acl(struct inode *inode,
	283	int type,
	284	void *buffer,
	285	size_t size)
	286	{
	287	struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
	288	struct posix_acl *acl;
	289	int ret;
	290
	291	if (!(osb->s_mount_opt & OCFS2_MOUNT_POSIX_ACL))
	292	return -EOPNOTSUPP;
	293
	294	acl = ocfs2_get_acl(inode, type);
	295	if (IS_ERR(acl))
	296	return PTR_ERR(acl);
	297	if (acl == NULL)
	298	return -ENODATA;
	299	ret = posix_acl_to_xattr(acl, buffer, size);
	300	posix_acl_release(acl);
	301
	302	return ret;
	303	}
	304
	305	static int ocfs2_xattr_get_acl_access(struct inode *inode,
	306	const char *name,
	307	void *buffer,
	308	size_t size)
	309	{
	310	if (strcmp(name, "") != 0)
	311	return -EINVAL;
312	return ocfs2_xattr_get_acl(inode, ACL_TYPE_ACCESS, buffer, size);
313	}
314
315	static int ocfs2_xattr_get_acl_default(struct inode *inode,
316	const char *name,
317	void *buffer,
318	size_t size)
319	{
320	if (strcmp(name, "") != 0)
321	return -EINVAL;
322	return ocfs2_xattr_get_acl(inode, ACL_TYPE_DEFAULT, buffer, size);
323	}
324
325	static int ocfs2_xattr_set_acl(struct inode *inode,
326	int type,
327	const void *value,
328	size_t size)
329	{
330	struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
331	struct posix_acl *acl;
332	int ret = 0;
333
334	if (!(osb->s_mount_opt & OCFS2_MOUNT_POSIX_ACL))
335	return -EOPNOTSUPP;
336
337	if (!is_owner_or_cap(inode))
338	return -EPERM;
339
340	if (value) {
341	acl = posix_acl_from_xattr(value, size);
342	if (IS_ERR(acl))
343	return PTR_ERR(acl);
344	else if (acl) {
345	ret = posix_acl_valid(acl);
346	if (ret)
347	goto cleanup;
348	}
349	} else
350	acl = NULL;
351
352	ret = ocfs2_set_acl(NULL, inode, NULL, type, acl, NULL, NULL);
353
354	cleanup:
355	posix_acl_release(acl);
356	return ret;
357	}
358
359	static int ocfs2_xattr_set_acl_access(struct inode *inode,
360	const char *name,
361	const void *value,
362	size_t size,
363	int flags)
364	{
365	if (strcmp(name, "") != 0)
366	return -EINVAL;
367	return ocfs2_xattr_set_acl(inode, ACL_TYPE_ACCESS, value, size);
368	}
369
370	static int ocfs2_xattr_set_acl_default(struct inode *inode,
371	const char *name,
372	const void *value,
373	size_t size,
374	int flags)
375	{
376	if (strcmp(name, "") != 0)
377	return -EINVAL;
378	return ocfs2_xattr_set_acl(inode, ACL_TYPE_DEFAULT, value, size);
379	}
380
381	struct xattr_handler ocfs2_xattr_acl_access_handler = {
382	.prefix = POSIX_ACL_XATTR_ACCESS,
383	.list = ocfs2_xattr_list_acl_access,
384	.get = ocfs2_xattr_get_acl_access,
385	.set = ocfs2_xattr_set_acl_access,
386	};
387
388	struct xattr_handler ocfs2_xattr_acl_default_handler = {
389	.prefix = POSIX_ACL_XATTR_DEFAULT,
390	.list = ocfs2_xattr_list_acl_default,
391	.get = ocfs2_xattr_get_acl_default,
392	.set = ocfs2_xattr_set_acl_default,
393	};