X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=include%2Flinux%2Fsysfs.h;h=23f7838725a7ad83e9c9c33c0ef4491f5832c286;hb=9bf4aaab3e101692164d49b7ca357651eb691cb6;hp=4cb54379e85a2368ddbd87e0abb792cd2c0e5ba5;hpb=db216c3d5e4c040e557a50f8f5d35d5c415e8c1c;p=linux-2.6.git

diff --git a/include/linux/sysfs.h b/include/linux/sysfs.h
index 4cb54379e..23f783872 100644
--- a/include/linux/sysfs.h
+++ b/include/linux/sysfs.h
@@ -9,6 +9,8 @@
 #ifndef _SYSFS_H_
 #define _SYSFS_H_
 
+#define SYSFS_SUPER_MAGIC	0x62656572
+
 struct kobject;
 struct module;
 
@@ -24,6 +26,27 @@ struct attribute_group {
 };
 
 
+
+/**
+ * Use these macros to make defining attributes easier. See include/linux/device.h
+ * for examples..
+ */
+
+#define __ATTR(_name,_mode,_show,_store) { \
+	.attr = {.name = __stringify(_name), .mode = _mode, .owner = THIS_MODULE },	\
+	.show	= _show,					\
+	.store	= _store,					\
+}
+
+#define __ATTR_RO(_name) { \
+	.attr	= { .name = __stringify(_name), .mode = 0444, .owner = THIS_MODULE },	\
+	.show	= _name##_show,	\
+}
+
+#define __ATTR_NULL { .attr = { .name = NULL } }
+
+#define attr_name(_attr) (_attr).attr.name
+
 struct bin_attribute {
 	struct attribute	attr;
 	size_t			size;