5 #define XID_TAG(in) (IS_TAGXID(in))
8 #ifdef CONFIG_XID_TAG_NFSD
11 #define XID_TAG_NFSD 0
15 #ifdef CONFIG_INOXID_NONE
17 #define MAX_UID 0xFFFFFFFF
18 #define MAX_GID 0xFFFFFFFF
20 #define INOXID_XID(tag, uid, gid, xid) (0)
22 #define XIDINO_UID(tag, uid, xid) (uid)
23 #define XIDINO_GID(tag, gid, xid) (gid)
28 #ifdef CONFIG_INOXID_GID16
30 #define MAX_UID 0xFFFFFFFF
31 #define MAX_GID 0x0000FFFF
33 #define INOXID_XID(tag, uid, gid, xid) \
34 ((tag) ? (((gid) >> 16) & 0xFFFF) : 0)
36 #define XIDINO_UID(tag, uid, xid) (uid)
37 #define XIDINO_GID(tag, gid, xid) \
38 ((tag) ? (((gid) & 0xFFFF) | ((xid) << 16)) : (gid))
43 #ifdef CONFIG_INOXID_UGID24
45 #define MAX_UID 0x00FFFFFF
46 #define MAX_GID 0x00FFFFFF
48 #define INOXID_XID(tag, uid, gid, xid) \
49 ((tag) ? ((((uid) >> 16) & 0xFF00) | (((gid) >> 24) & 0xFF)) : 0)
51 #define XIDINO_UID(tag, uid, xid) \
52 ((tag) ? (((uid) & 0xFFFFFF) | (((xid) & 0xFF00) << 16)) : (uid))
53 #define XIDINO_GID(tag, gid, xid) \
54 ((tag) ? (((gid) & 0xFFFFFF) | (((xid) & 0x00FF) << 24)) : (gid))
59 #ifdef CONFIG_INOXID_UID16
61 #define MAX_UID 0x0000FFFF
62 #define MAX_GID 0xFFFFFFFF
64 #define INOXID_XID(tag, uid, gid, xid) \
65 ((tag) ? (((uid) >> 16) & 0xFFFF) : 0)
67 #define XIDINO_UID(tag, uid, xid) \
68 ((tag) ? (((uid) & 0xFFFF) | ((xid) << 16)) : (uid))
69 #define XIDINO_GID(tag, gid, xid) (gid)
74 #ifdef CONFIG_INOXID_INTERN
76 #define MAX_UID 0xFFFFFFFF
77 #define MAX_GID 0xFFFFFFFF
79 #define INOXID_XID(tag, uid, gid, xid) \
82 #define XIDINO_UID(tag, uid, xid) (uid)
83 #define XIDINO_GID(tag, gid, xid) (gid)
88 #ifdef CONFIG_INOXID_RUNTIME
90 #define MAX_UID 0xFFFFFFFF
91 #define MAX_GID 0xFFFFFFFF
93 #define INOXID_XID(tag, uid, gid, xid) (0)
95 #define XIDINO_UID(tag, uid, xid) (uid)
96 #define XIDINO_GID(tag, gid, xid) (gid)
101 #ifndef CONFIG_INOXID_NONE
102 #define vx_current_fsxid(sb) \
103 ((sb)->s_flags & MS_TAGXID ? current->xid : 0)
105 #define vx_current_fsxid(sb) (0)
108 #ifndef CONFIG_INOXID_INTERN
109 #define XIDINO_XID(tag, xid) (0)
111 #define XIDINO_XID(tag, xid) ((tag) ? (xid) : 0)
114 #define INOXID_UID(tag, uid, gid) \
115 ((tag) ? ((uid) & MAX_UID) : (uid))
116 #define INOXID_GID(tag, uid, gid) \
117 ((tag) ? ((gid) & MAX_GID) : (gid))
120 static inline uid_t vx_map_uid(uid_t uid)
122 if ((uid > MAX_UID) && (uid != -1))
124 return (uid & MAX_UID);
127 static inline gid_t vx_map_gid(gid_t gid)
129 if ((gid > MAX_GID) && (gid != -1))
131 return (gid & MAX_GID);
135 #ifdef CONFIG_VSERVER_LEGACY
136 #define FIOC_GETXID _IOR('x', 1, long)
137 #define FIOC_SETXID _IOW('x', 2, long)
138 #define FIOC_SETXIDJ _IOW('x', 3, long)
141 int vx_parse_xid(char *string, xid_t *xid, int remove);
142 void vx_propagate_xid(struct nameidata *nd, struct inode *inode);
144 #endif /* _VX_XID_H */