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-rw-r--r--fs/ext3/xattr.h136
1 files changed, 0 insertions, 136 deletions
diff --git a/fs/ext3/xattr.h b/fs/ext3/xattr.h
deleted file mode 100644
index 32e93ebf8031..000000000000
--- a/fs/ext3/xattr.h
+++ /dev/null
@@ -1,136 +0,0 @@
1/*
2 File: fs/ext3/xattr.h
3
4 On-disk format of extended attributes for the ext3 filesystem.
5
6 (C) 2001 Andreas Gruenbacher, <a.gruenbacher@computer.org>
7*/
8
9#include <linux/xattr.h>
10
11/* Magic value in attribute blocks */
12#define EXT3_XATTR_MAGIC 0xEA020000
13
14/* Maximum number of references to one attribute block */
15#define EXT3_XATTR_REFCOUNT_MAX 1024
16
17/* Name indexes */
18#define EXT3_XATTR_INDEX_USER 1
19#define EXT3_XATTR_INDEX_POSIX_ACL_ACCESS 2
20#define EXT3_XATTR_INDEX_POSIX_ACL_DEFAULT 3
21#define EXT3_XATTR_INDEX_TRUSTED 4
22#define EXT3_XATTR_INDEX_LUSTRE 5
23#define EXT3_XATTR_INDEX_SECURITY 6
24
25struct ext3_xattr_header {
26 __le32 h_magic; /* magic number for identification */
27 __le32 h_refcount; /* reference count */
28 __le32 h_blocks; /* number of disk blocks used */
29 __le32 h_hash; /* hash value of all attributes */
30 __u32 h_reserved[4]; /* zero right now */
31};
32
33struct ext3_xattr_ibody_header {
34 __le32 h_magic; /* magic number for identification */
35};
36
37struct ext3_xattr_entry {
38 __u8 e_name_len; /* length of name */
39 __u8 e_name_index; /* attribute name index */
40 __le16 e_value_offs; /* offset in disk block of value */
41 __le32 e_value_block; /* disk block attribute is stored on (n/i) */
42 __le32 e_value_size; /* size of attribute value */
43 __le32 e_hash; /* hash value of name and value */
44 char e_name[0]; /* attribute name */
45};
46
47#define EXT3_XATTR_PAD_BITS 2
48#define EXT3_XATTR_PAD (1<<EXT3_XATTR_PAD_BITS)
49#define EXT3_XATTR_ROUND (EXT3_XATTR_PAD-1)
50#define EXT3_XATTR_LEN(name_len) \
51 (((name_len) + EXT3_XATTR_ROUND + \
52 sizeof(struct ext3_xattr_entry)) & ~EXT3_XATTR_ROUND)
53#define EXT3_XATTR_NEXT(entry) \
54 ( (struct ext3_xattr_entry *)( \
55 (char *)(entry) + EXT3_XATTR_LEN((entry)->e_name_len)) )
56#define EXT3_XATTR_SIZE(size) \
57 (((size) + EXT3_XATTR_ROUND) & ~EXT3_XATTR_ROUND)
58
59# ifdef CONFIG_EXT3_FS_XATTR
60
61extern const struct xattr_handler ext3_xattr_user_handler;
62extern const struct xattr_handler ext3_xattr_trusted_handler;
63extern const struct xattr_handler ext3_xattr_security_handler;
64
65extern ssize_t ext3_listxattr(struct dentry *, char *, size_t);
66
67extern int ext3_xattr_get(struct inode *, int, const char *, void *, size_t);
68extern int ext3_xattr_set(struct inode *, int, const char *, const void *, size_t, int);
69extern int ext3_xattr_set_handle(handle_t *, struct inode *, int, const char *, const void *, size_t, int);
70
71extern void ext3_xattr_delete_inode(handle_t *, struct inode *);
72extern void ext3_xattr_put_super(struct super_block *);
73
74extern int init_ext3_xattr(void);
75extern void exit_ext3_xattr(void);
76
77extern const struct xattr_handler *ext3_xattr_handlers[];
78
79# else /* CONFIG_EXT3_FS_XATTR */
80
81static inline int
82ext3_xattr_get(struct inode *inode, int name_index, const char *name,
83 void *buffer, size_t size, int flags)
84{
85 return -EOPNOTSUPP;
86}
87
88static inline int
89ext3_xattr_set(struct inode *inode, int name_index, const char *name,
90 const void *value, size_t size, int flags)
91{
92 return -EOPNOTSUPP;
93}
94
95static inline int
96ext3_xattr_set_handle(handle_t *handle, struct inode *inode, int name_index,
97 const char *name, const void *value, size_t size, int flags)
98{
99 return -EOPNOTSUPP;
100}
101
102static inline void
103ext3_xattr_delete_inode(handle_t *handle, struct inode *inode)
104{
105}
106
107static inline void
108ext3_xattr_put_super(struct super_block *sb)
109{
110}
111
112static inline int
113init_ext3_xattr(void)
114{
115 return 0;
116}
117
118static inline void
119exit_ext3_xattr(void)
120{
121}
122
123#define ext3_xattr_handlers NULL
124
125# endif /* CONFIG_EXT3_FS_XATTR */
126
127#ifdef CONFIG_EXT3_FS_SECURITY
128extern int ext3_init_security(handle_t *handle, struct inode *inode,
129 struct inode *dir, const struct qstr *qstr);
130#else
131static inline int ext3_init_security(handle_t *handle, struct inode *inode,
132 struct inode *dir, const struct qstr *qstr)
133{
134 return 0;
135}
136#endif
generated by cgit v1.2.2 (git 2.25.0) at 2026-01-06 11:50:53 -0500