be called again, rearmed, to fill the buffer.
- On write(2), sysfs expects the entire buffer to be passed during the
- first write. Sysfs then passes the entire buffer to the store()
- method.
-
+ first write. Sysfs then passes the entire buffer to the store() method.
+ A terminating null is added after the data on stores. This makes
+ functions like sysfs_streq() safe to use.
+
When writing sysfs files, userspace processes should first read the
entire file, modify the values it wishes to change, then write the
entire buffer back.