sysfs: create __ATTR_WO()



This creates the macro __ATTR_WO() for write-only attributes, instead of
having to "open define" them.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

parent d06262e5

include/linux/sysfs.h

+5 −0

Original line number	Diff line number	Diff line
		@@ -80,6 +80,11 @@ struct attribute_group {
		.show = _name##_show, \
		}

		#define __ATTR_WO(_name) { \
		.attr = { .name = __stringify(_name), .mode = S_IWUSR }, \
		.store = _name##_store, \
		}

		#define __ATTR_RW(_name) __ATTR(_name, (S_IWUSR \| S_IRUGO), \
		_name##_show, _name##_store)