remove __attribute_used__

Remove the deprecated __attribute_used__.

[Introduce __section in a few places to silence checkpatch /sam]

Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
diff --git a/fs/compat_ioctl.c b/fs/compat_ioctl.c
index da8cb3b..ffdc022 100644
--- a/fs/compat_ioctl.c
+++ b/fs/compat_ioctl.c
@@ -1376,7 +1376,7 @@
         return -EINVAL;
 }
 
-static __attribute_used__ int 
+static __used int
 ret_einval(unsigned int fd, unsigned int cmd, unsigned long arg)
 {
 	return -EINVAL;