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-rw-r--r--include/linux/kobject.h22
1 files changed, 22 insertions, 0 deletions
diff --git a/include/linux/kobject.h b/include/linux/kobject.h
index bcb5d4e32001..13bd0e87af7b 100644
--- a/include/linux/kobject.h
+++ b/include/linux/kobject.h
@@ -144,6 +144,28 @@ struct kobj_attribute {
const char *buf, size_t count);
};
+#define __KOBJ_ATTR(_name, _mode, _show, _store) { \
+ .attr = { .name = __stringify(_name), \
+ .mode = VERIFY_OCTAL_PERMISSIONS(_mode) }, \
+ .show = _show, \
+ .store = _store, \
+}
+
+#define __KOBJ_ATTR_RO_MODE(_name, _mode) \
+ __KOBJ_ATTR(_name, _mode, _name##_show, NULL)
+
+#define __KOBJ_ATTR_RO(_name) \
+ __KOBJ_ATTR_RO_MODE(_name, 0444)
+
+#define __KOBJ_ATTR_RW_MODE(_name, _mode) \
+ __KOBJ_ATTR(_name, _mode, _name##_show, _name##_store)
+
+#define __KOBJ_ATTR_WO(_name) \
+ __KOBJ_ATTR(_name, 0200, NULL, _name##_store)
+
+#define __KOBJ_ATTR_RW(_name) \
+ __KOBJ_ATTR(_name, 0644, _name##_show, _name##_store)
+
extern const struct sysfs_ops kobj_sysfs_ops;
struct sock;