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 const struct xattr_handler ocfs2_xattr_user_handler
;
41 extern const struct xattr_handler ocfs2_xattr_trusted_handler
;
42 extern const struct xattr_handler ocfs2_xattr_security_handler
;
43 extern const struct xattr_handler
*ocfs2_xattr_handlers
[];
45 ssize_t
ocfs2_listxattr(struct dentry
*, char *, size_t);
46 int ocfs2_xattr_get_nolock(struct inode
*, struct buffer_head
*, int,
47 const char *, void *, size_t);
48 int ocfs2_xattr_set(struct inode
*, int, const char *, const void *,
50 int ocfs2_xattr_set_handle(handle_t
*, struct inode
*, struct buffer_head
*,
51 int, const char *, const void *, size_t, int,
52 struct ocfs2_alloc_context
*,
53 struct ocfs2_alloc_context
*);
54 int ocfs2_has_inline_xattr_value_outside(struct inode
*inode
,
55 struct ocfs2_dinode
*di
);
56 int ocfs2_xattr_remove(struct inode
*, struct buffer_head
*);
57 int ocfs2_init_security_get(struct inode
*, struct inode
*,
59 struct ocfs2_security_xattr_info
*);
60 int ocfs2_init_security_set(handle_t
*, struct inode
*,
62 struct ocfs2_security_xattr_info
*,
63 struct ocfs2_alloc_context
*,
64 struct ocfs2_alloc_context
*);
65 int ocfs2_calc_security_init(struct inode
*,
66 struct ocfs2_security_xattr_info
*,
67 int *, int *, struct ocfs2_alloc_context
**);
68 int ocfs2_calc_xattr_init(struct inode
*, struct buffer_head
*,
69 umode_t
, struct ocfs2_security_xattr_info
*,
73 * xattrs can live inside an inode, as part of an external xattr block,
74 * or inside an xattr bucket, which is the leaf of a tree rooted in an
75 * xattr block. Some of the xattr calls, especially the value setting
76 * functions, want to treat each of these locations as equal. Let's wrap
77 * them in a structure that we can pass around instead of raw buffer_heads.
79 struct ocfs2_xattr_value_buf
{
80 struct buffer_head
*vb_bh
;
81 ocfs2_journal_access_func vb_access
;
82 struct ocfs2_xattr_value_root
*vb_xv
;
85 int ocfs2_xattr_attach_refcount_tree(struct inode
*inode
,
86 struct buffer_head
*fe_bh
,
87 struct ocfs2_caching_info
*ref_ci
,
88 struct buffer_head
*ref_root_bh
,
89 struct ocfs2_cached_dealloc_ctxt
*dealloc
);
90 int ocfs2_reflink_xattrs(struct inode
*old_inode
,
91 struct buffer_head
*old_bh
,
92 struct inode
*new_inode
,
93 struct buffer_head
*new_bh
,
94 bool preserve_security
);
95 int ocfs2_init_security_and_acl(struct inode
*dir
,
97 const struct qstr
*qstr
);
98 #endif /* OCFS2_XATTR_H */