OpenCores
URL https://opencores.org/ocsvn/test_project/test_project/trunk

Subversion Repositories test_project

[/] [test_project/] [trunk/] [linux_sd_driver/] [include/] [linux/] [reiserfs_xattr.h] - Blame information for rev 81

Go to most recent revision | Details | Compare with Previous | View Log

Line No. Rev Author Line
1 62 marcus.erl 
/*
2 
  File: linux/reiserfs_xattr.h
3 
*/
4 
 
5 
#ifndef _LINUX_REISERFS_XATTR_H
6 
#define _LINUX_REISERFS_XATTR_H
7 
 
8 
#include <linux/types.h>
9 
 
10 
/* Magic value in header */
11 
#define REISERFS_XATTR_MAGIC 0x52465841 /* "RFXA" */
12 
 
13 
struct reiserfs_xattr_header {
14 
        __le32 h_magic;         /* magic number for identification */
15 
        __le32 h_hash;          /* hash of the value */
16 
};
17 
 
18 
#ifdef __KERNEL__
19 
 
20 
#include <linux/init.h>
21 
#include <linux/list.h>
22 
#include <linux/rwsem.h>
23 
#include <linux/reiserfs_fs_i.h>
24 
#include <linux/reiserfs_fs.h>
25 
 
26 
struct inode;
27 
struct dentry;
28 
struct iattr;
29 
struct super_block;
30 
struct nameidata;
31 
 
32 
struct reiserfs_xattr_handler {
33 
        char *prefix;
34 
        int (*init) (void);
35 
        void (*exit) (void);
36 
        int (*get) (struct inode * inode, const char *name, void *buffer,
37 
                    size_t size);
38 
        int (*set) (struct inode * inode, const char *name, const void *buffer,
39 
                    size_t size, int flags);
40 
        int (*del) (struct inode * inode, const char *name);
41 
        int (*list) (struct inode * inode, const char *name, int namelen,
42 
                     char *out);
43 
        struct list_head handlers;
44 
};
45 
 
46 
#ifdef CONFIG_REISERFS_FS_XATTR
47 
#define is_reiserfs_priv_object(inode) IS_PRIVATE(inode)
48 
#define has_xattr_dir(inode) (REISERFS_I(inode)->i_flags & i_has_xattr_dir)
49 
ssize_t reiserfs_getxattr(struct dentry *dentry, const char *name,
50 
                          void *buffer, size_t size);
51 
int reiserfs_setxattr(struct dentry *dentry, const char *name,
52 
                      const void *value, size_t size, int flags);
53 
ssize_t reiserfs_listxattr(struct dentry *dentry, char *buffer, size_t size);
54 
int reiserfs_removexattr(struct dentry *dentry, const char *name);
55 
int reiserfs_delete_xattrs(struct inode *inode);
56 
int reiserfs_chown_xattrs(struct inode *inode, struct iattr *attrs);
57 
int reiserfs_xattr_init(struct super_block *sb, int mount_flags);
58 
int reiserfs_permission(struct inode *inode, int mask, struct nameidata *nd);
59 
 
60 
int reiserfs_xattr_del(struct inode *, const char *);
61 
int reiserfs_xattr_get(const struct inode *, const char *, void *, size_t);
62 
int reiserfs_xattr_set(struct inode *, const char *, const void *, size_t, int);
63 
 
64 
extern struct reiserfs_xattr_handler user_handler;
65 
extern struct reiserfs_xattr_handler trusted_handler;
66 
extern struct reiserfs_xattr_handler security_handler;
67 
 
68 
int reiserfs_xattr_register_handlers(void) __init;
69 
void reiserfs_xattr_unregister_handlers(void);
70 
 
71 
static inline void reiserfs_write_lock_xattrs(struct super_block *sb)
72 
{
73 
        down_write(&REISERFS_XATTR_DIR_SEM(sb));
74 
}
75 
static inline void reiserfs_write_unlock_xattrs(struct super_block *sb)
76 
{
77 
        up_write(&REISERFS_XATTR_DIR_SEM(sb));
78 
}
79 
static inline void reiserfs_read_lock_xattrs(struct super_block *sb)
80 
{
81 
        down_read(&REISERFS_XATTR_DIR_SEM(sb));
82 
}
83 
 
84 
static inline void reiserfs_read_unlock_xattrs(struct super_block *sb)
85 
{
86 
        up_read(&REISERFS_XATTR_DIR_SEM(sb));
87 
}
88 
 
89 
static inline void reiserfs_write_lock_xattr_i(struct inode *inode)
90 
{
91 
        down_write(&REISERFS_I(inode)->xattr_sem);
92 
}
93 
static inline void reiserfs_write_unlock_xattr_i(struct inode *inode)
94 
{
95 
        up_write(&REISERFS_I(inode)->xattr_sem);
96 
}
97 
static inline void reiserfs_read_lock_xattr_i(struct inode *inode)
98 
{
99 
        down_read(&REISERFS_I(inode)->xattr_sem);
100 
}
101 
 
102 
static inline void reiserfs_read_unlock_xattr_i(struct inode *inode)
103 
{
104 
        up_read(&REISERFS_I(inode)->xattr_sem);
105 
}
106 
 
107 
static inline void reiserfs_mark_inode_private(struct inode *inode)
108 
{
109 
        inode->i_flags |= S_PRIVATE;
110 
}
111 
 
112 
static inline void reiserfs_init_xattr_rwsem(struct inode *inode)
113 
{
114 
        init_rwsem(&REISERFS_I(inode)->xattr_sem);
115 
}
116 
 
117 
#else
118 
 
119 
#define is_reiserfs_priv_object(inode) 0
120 
#define reiserfs_mark_inode_private(inode) do {;} while(0)
121 
#define reiserfs_getxattr NULL
122 
#define reiserfs_setxattr NULL
123 
#define reiserfs_listxattr NULL
124 
#define reiserfs_removexattr NULL
125 
#define reiserfs_write_lock_xattrs(sb) do {;} while(0)
126 
#define reiserfs_write_unlock_xattrs(sb) do {;} while(0)
127 
#define reiserfs_read_lock_xattrs(sb)
128 
#define reiserfs_read_unlock_xattrs(sb)
129 
 
130 
#define reiserfs_permission NULL
131 
 
132 
#define reiserfs_xattr_register_handlers() 0
133 
#define reiserfs_xattr_unregister_handlers()
134 
 
135 
static inline int reiserfs_delete_xattrs(struct inode *inode)
136 
{
137 
        return 0;
138 
};
139 
static inline int reiserfs_chown_xattrs(struct inode *inode,
140 
                                        struct iattr *attrs)
141 
{
142 
        return 0;
143 
};
144 
static inline int reiserfs_xattr_init(struct super_block *sb, int mount_flags)
145 
{
146 
        sb->s_flags = (sb->s_flags & ~MS_POSIXACL);     /* to be sure */
147 
        return 0;
148 
};
149 
static inline void reiserfs_init_xattr_rwsem(struct inode *inode)
150 
{
151 
}
152 
#endif  /*  CONFIG_REISERFS_FS_XATTR  */
153 
 
154 
#endif  /*  __KERNEL__  */
155 
 
156 
#endif  /*  _LINUX_REISERFS_XATTR_H  */

powered by: WebSVN 2.1.0

© copyright 1999-2025 OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.