1 /* -*- mode: c; c-basic-offset: 8; -*-
2 * vim: noexpandtab sw=8 ts=8 sts=0:
6 * Copyright (C) 2004, 2008 Oracle. All rights reserved.
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public
10 * License version 2 as published by the Free Software Foundation.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * General Public License for more details.
21 #include <linux/init.h>
22 #include <linux/xattr.h>
24 enum ocfs2_xattr_type {
25 OCFS2_XATTR_INDEX_USER = 1,
26 OCFS2_XATTR_INDEX_POSIX_ACL_ACCESS,
27 OCFS2_XATTR_INDEX_POSIX_ACL_DEFAULT,
28 OCFS2_XATTR_INDEX_TRUSTED,
29 OCFS2_XATTR_INDEX_SECURITY,
33 struct ocfs2_security_xattr_info {
40 extern struct xattr_handler ocfs2_xattr_user_handler;
41 extern struct xattr_handler ocfs2_xattr_trusted_handler;
42 extern struct xattr_handler ocfs2_xattr_security_handler;
43 #ifdef CONFIG_OCFS2_FS_POSIX_ACL
44 extern struct xattr_handler ocfs2_xattr_acl_access_handler;
45 extern struct xattr_handler ocfs2_xattr_acl_default_handler;
47 extern struct xattr_handler *ocfs2_xattr_handlers[];
49 ssize_t ocfs2_listxattr(struct dentry *, char *, size_t);
50 int ocfs2_xattr_get_nolock(struct inode *, struct buffer_head *, int,
51 const char *, void *, size_t);
52 int ocfs2_xattr_set(struct inode *, int, const char *, const void *,
54 int ocfs2_xattr_set_handle(handle_t *, struct inode *, struct buffer_head *,
55 int, const char *, const void *, size_t, int,
56 struct ocfs2_alloc_context *,
57 struct ocfs2_alloc_context *);
58 int ocfs2_xattr_remove(struct inode *, struct buffer_head *);
59 int ocfs2_init_security_get(struct inode *, struct inode *,
60 struct ocfs2_security_xattr_info *);
61 int ocfs2_init_security_set(handle_t *, struct inode *,
63 struct ocfs2_security_xattr_info *,
64 struct ocfs2_alloc_context *,
65 struct ocfs2_alloc_context *);
66 int ocfs2_calc_security_init(struct inode *,
67 struct ocfs2_security_xattr_info *,
68 int *, int *, struct ocfs2_alloc_context **);
69 int ocfs2_calc_xattr_init(struct inode *, struct buffer_head *,
70 int, struct ocfs2_security_xattr_info *,
74 * xattrs can live inside an inode, as part of an external xattr block,
75 * or inside an xattr bucket, which is the leaf of a tree rooted in an
76 * xattr block. Some of the xattr calls, especially the value setting
77 * functions, want to treat each of these locations as equal. Let's wrap
78 * them in a structure that we can pass around instead of raw buffer_heads.
80 struct ocfs2_xattr_value_buf {
81 struct buffer_head *vb_bh;
82 ocfs2_journal_access_func vb_access;
83 struct ocfs2_xattr_value_root *vb_xv;
87 #endif /* OCFS2_XATTR_H */