drbd: The kernel code is now equivalent to out of tree release 8.3.7
[safe/jmp/linux-2.6] / include / linux / auto_fs4.h
index 0a6bc52..8b49ac4 100644 (file)
@@ -12,6 +12,7 @@
 #define _LINUX_AUTO_FS4_H
 
 /* Include common v3 definitions */
+#include <linux/types.h>
 #include <linux/auto_fs.h>
 
 /* autofs v4 definitions */
 #define AUTOFS_MIN_PROTO_VERSION       3
 #define AUTOFS_MAX_PROTO_VERSION       5
 
-#define AUTOFS_PROTO_SUBVERSION                0
+#define AUTOFS_PROTO_SUBVERSION                1
 
 /* Mask for expire behaviour */
 #define AUTOFS_EXP_IMMEDIATE           1
 #define AUTOFS_EXP_LEAVES              2
 
+#define AUTOFS_TYPE_ANY                        0U
+#define AUTOFS_TYPE_INDIRECT           1U
+#define AUTOFS_TYPE_DIRECT             2U
+#define AUTOFS_TYPE_OFFSET             4U
+
+static inline void set_autofs_type_indirect(unsigned int *type)
+{
+       *type = AUTOFS_TYPE_INDIRECT;
+       return;
+}
+
+static inline unsigned int autofs_type_indirect(unsigned int type)
+{
+       return (type == AUTOFS_TYPE_INDIRECT);
+}
+
+static inline void set_autofs_type_direct(unsigned int *type)
+{
+       *type = AUTOFS_TYPE_DIRECT;
+       return;
+}
+
+static inline unsigned int autofs_type_direct(unsigned int type)
+{
+       return (type == AUTOFS_TYPE_DIRECT);
+}
+
+static inline void set_autofs_type_offset(unsigned int *type)
+{
+       *type = AUTOFS_TYPE_OFFSET;
+       return;
+}
+
+static inline unsigned int autofs_type_offset(unsigned int type)
+{
+       return (type == AUTOFS_TYPE_OFFSET);
+}
+
+static inline unsigned int autofs_type_trigger(unsigned int type)
+{
+       return (type == AUTOFS_TYPE_DIRECT || type == AUTOFS_TYPE_OFFSET);
+}
+
+/*
+ * This isn't really a type as we use it to say "no type set" to
+ * indicate we want to search for "any" mount in the
+ * autofs_dev_ioctl_ismountpoint() device ioctl function.
+ */
+static inline void set_autofs_type_any(unsigned int *type)
+{
+       *type = AUTOFS_TYPE_ANY;
+       return;
+}
+
+static inline unsigned int autofs_type_any(unsigned int type)
+{
+       return (type == AUTOFS_TYPE_ANY);
+}
+
 /* Daemon notification packet types */
 enum autofs_notify {
        NFY_NONE,
@@ -59,6 +119,13 @@ struct autofs_packet_expire_multi {
        char name[NAME_MAX+1];
 };
 
+union autofs_packet_union {
+       struct autofs_packet_hdr hdr;
+       struct autofs_packet_missing missing;
+       struct autofs_packet_expire expire;
+       struct autofs_packet_expire_multi expire_multi;
+};
+
 /* autofs v5 common packet struct */
 struct autofs_v5_packet {
        struct autofs_packet_hdr hdr;
@@ -78,20 +145,19 @@ typedef struct autofs_v5_packet autofs_packet_expire_indirect_t;
 typedef struct autofs_v5_packet autofs_packet_missing_direct_t;
 typedef struct autofs_v5_packet autofs_packet_expire_direct_t;
 
-union autofs_packet_union {
+union autofs_v5_packet_union {
        struct autofs_packet_hdr hdr;
-       struct autofs_packet_missing missing;
-       struct autofs_packet_expire expire;
-       struct autofs_packet_expire_multi expire_multi;
        struct autofs_v5_packet v5_packet;
+       autofs_packet_missing_indirect_t missing_indirect;
+       autofs_packet_expire_indirect_t expire_indirect;
+       autofs_packet_missing_direct_t missing_direct;
+       autofs_packet_expire_direct_t expire_direct;
 };
 
 #define AUTOFS_IOC_EXPIRE_MULTI                _IOW(0x93,0x66,int)
 #define AUTOFS_IOC_EXPIRE_INDIRECT     AUTOFS_IOC_EXPIRE_MULTI
 #define AUTOFS_IOC_EXPIRE_DIRECT       AUTOFS_IOC_EXPIRE_MULTI
 #define AUTOFS_IOC_PROTOSUBVER         _IOR(0x93,0x67,int)
-#define AUTOFS_IOC_ASKREGHOST           _IOR(0x93,0x68,int)
-#define AUTOFS_IOC_TOGGLEREGHOST        _IOR(0x93,0x69,int)
 #define AUTOFS_IOC_ASKUMOUNT           _IOR(0x93,0x70,int)