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/*
 * JFFS2 -- Journalling Flash File System, Version 2.
 *
 * Copyright © 2006  NEC Corporation
 *
 * Created by KaiGai Kohei <kaigai@ak.jp.nec.com>
 *
 * For licensing information, see the file 'LICENCE' in this directory.
 *
 */
 
#include <linux/kernel.h>
#include <linux/fs.h>
#include <linux/jffs2.h>
#include <linux/xattr.h>
#include <linux/mtd/mtd.h>
#include "nodelist.h"
 
static int jffs2_trusted_getxattr(struct inode *inode, const char *name,
				  void *buffer, size_t size)
{
	if (!strcmp(name, ""))
		return -EINVAL;
	return do_jffs2_getxattr(inode, JFFS2_XPREFIX_TRUSTED, name, buffer, size);
}
 
static int jffs2_trusted_setxattr(struct inode *inode, const char *name, const void *buffer,
				  size_t size, int flags)
{
	if (!strcmp(name, ""))
		return -EINVAL;
	return do_jffs2_setxattr(inode, JFFS2_XPREFIX_TRUSTED, name, buffer, size, flags);
}
 
static size_t jffs2_trusted_listxattr(struct inode *inode, char *list, size_t list_size,
				      const char *name, size_t name_len)
{
	size_t retlen = XATTR_TRUSTED_PREFIX_LEN + name_len + 1;
 
	if (list && retlen<=list_size) {
		strcpy(list, XATTR_TRUSTED_PREFIX);
		strcpy(list + XATTR_TRUSTED_PREFIX_LEN, name);
	}
 
	return retlen;
}
 
struct xattr_handler jffs2_trusted_xattr_handler = {
	.prefix = XATTR_TRUSTED_PREFIX,
	.list = jffs2_trusted_listxattr,
	.set = jffs2_trusted_setxattr,
	.get = jffs2_trusted_getxattr
};