1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18#ifndef OCFS2_XATTR_H
19#define OCFS2_XATTR_H
20
21#include <linux/init.h>
22#include <linux/xattr.h>
23
24enum 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,
30 OCFS2_XATTR_MAX
31};
32
33struct ocfs2_security_xattr_info {
34 int enable;
35 const char *name;
36 void *value;
37 size_t value_len;
38};
39
40extern const struct xattr_handler ocfs2_xattr_user_handler;
41extern const struct xattr_handler ocfs2_xattr_trusted_handler;
42extern const struct xattr_handler ocfs2_xattr_security_handler;
43extern const struct xattr_handler *ocfs2_xattr_handlers[];
44
45ssize_t ocfs2_listxattr(struct dentry *, char *, size_t);
46int ocfs2_xattr_get_nolock(struct inode *, struct buffer_head *, int,
47 const char *, void *, size_t);
48int ocfs2_xattr_set(struct inode *, int, const char *, const void *,
49 size_t, int);
50int 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 *);
54int ocfs2_has_inline_xattr_value_outside(struct inode *inode,
55 struct ocfs2_dinode *di);
56int ocfs2_xattr_remove(struct inode *, struct buffer_head *);
57int ocfs2_init_security_get(struct inode *, struct inode *,
58 const struct qstr *,
59 struct ocfs2_security_xattr_info *);
60int ocfs2_init_security_set(handle_t *, struct inode *,
61 struct buffer_head *,
62 struct ocfs2_security_xattr_info *,
63 struct ocfs2_alloc_context *,
64 struct ocfs2_alloc_context *);
65int ocfs2_calc_security_init(struct inode *,
66 struct ocfs2_security_xattr_info *,
67 int *, int *, struct ocfs2_alloc_context **);
68int ocfs2_calc_xattr_init(struct inode *, struct buffer_head *,
69 umode_t, struct ocfs2_security_xattr_info *,
70 int *, int *, int *);
71
72
73
74
75
76
77
78
79struct 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;
83};
84
85int 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);
90int 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);
95int ocfs2_init_security_and_acl(struct inode *dir,
96 struct inode *inode,
97 const struct qstr *qstr);
98#endif
99