88 строки
3.0 KiB
C
88 строки
3.0 KiB
C
/* -*- mode: c; c-basic-offset: 8; -*-
|
|
* vim: noexpandtab sw=8 ts=8 sts=0:
|
|
*
|
|
* xattr.h
|
|
*
|
|
* Copyright (C) 2004, 2008 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 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.
|
|
*/
|
|
|
|
#ifndef OCFS2_XATTR_H
|
|
#define OCFS2_XATTR_H
|
|
|
|
#include <linux/init.h>
|
|
#include <linux/xattr.h>
|
|
|
|
enum ocfs2_xattr_type {
|
|
OCFS2_XATTR_INDEX_USER = 1,
|
|
OCFS2_XATTR_INDEX_POSIX_ACL_ACCESS,
|
|
OCFS2_XATTR_INDEX_POSIX_ACL_DEFAULT,
|
|
OCFS2_XATTR_INDEX_TRUSTED,
|
|
OCFS2_XATTR_INDEX_SECURITY,
|
|
OCFS2_XATTR_MAX
|
|
};
|
|
|
|
struct ocfs2_security_xattr_info {
|
|
int enable;
|
|
char *name;
|
|
void *value;
|
|
size_t value_len;
|
|
};
|
|
|
|
extern struct xattr_handler ocfs2_xattr_user_handler;
|
|
extern struct xattr_handler ocfs2_xattr_trusted_handler;
|
|
extern struct xattr_handler ocfs2_xattr_security_handler;
|
|
#ifdef CONFIG_OCFS2_FS_POSIX_ACL
|
|
extern struct xattr_handler ocfs2_xattr_acl_access_handler;
|
|
extern struct xattr_handler ocfs2_xattr_acl_default_handler;
|
|
#endif
|
|
extern struct xattr_handler *ocfs2_xattr_handlers[];
|
|
|
|
ssize_t ocfs2_listxattr(struct dentry *, char *, size_t);
|
|
int ocfs2_xattr_get_nolock(struct inode *, struct buffer_head *, int,
|
|
const char *, void *, size_t);
|
|
int ocfs2_xattr_set(struct inode *, int, const char *, const void *,
|
|
size_t, int);
|
|
int ocfs2_xattr_set_handle(handle_t *, struct inode *, struct buffer_head *,
|
|
int, const char *, const void *, size_t, int,
|
|
struct ocfs2_alloc_context *,
|
|
struct ocfs2_alloc_context *);
|
|
int ocfs2_xattr_remove(struct inode *, struct buffer_head *);
|
|
int ocfs2_init_security_get(struct inode *, struct inode *,
|
|
struct ocfs2_security_xattr_info *);
|
|
int ocfs2_init_security_set(handle_t *, struct inode *,
|
|
struct buffer_head *,
|
|
struct ocfs2_security_xattr_info *,
|
|
struct ocfs2_alloc_context *,
|
|
struct ocfs2_alloc_context *);
|
|
int ocfs2_calc_security_init(struct inode *,
|
|
struct ocfs2_security_xattr_info *,
|
|
int *, int *, struct ocfs2_alloc_context **);
|
|
int ocfs2_calc_xattr_init(struct inode *, struct buffer_head *,
|
|
int, struct ocfs2_security_xattr_info *,
|
|
int *, int *, int *);
|
|
|
|
/*
|
|
* xattrs can live inside an inode, as part of an external xattr block,
|
|
* or inside an xattr bucket, which is the leaf of a tree rooted in an
|
|
* xattr block. Some of the xattr calls, especially the value setting
|
|
* functions, want to treat each of these locations as equal. Let's wrap
|
|
* them in a structure that we can pass around instead of raw buffer_heads.
|
|
*/
|
|
struct ocfs2_xattr_value_buf {
|
|
struct buffer_head *vb_bh;
|
|
ocfs2_journal_access_func vb_access;
|
|
struct ocfs2_xattr_value_root *vb_xv;
|
|
};
|
|
|
|
|
|
#endif /* OCFS2_XATTR_H */
|