1 files changed, 58 insertions, 4 deletions

diff --git a/include/linux/auto_fs4.h b/include/linux/auto_fs4.h
index 2253716d4b92..55fa478bd639 100644
--- a/include/linux/auto_fs4.h
+++ b/include/linux/auto_fs4.h
@@ -29,10 +29,64 @@
 #define AUTOFS_EXP_IMMEDIATE            1
 #define AUTOFS_EXP_LEAVES               2
 
-#define AUTOFS_TYPE_ANY                 0x0000
-#define AUTOFS_TYPE_INDIRECT            0x0001
-#define AUTOFS_TYPE_DIRECT              0x0002
-#define AUTOFS_TYPE_OFFSET              0x0004
+#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 {