VFS: normal filesystems (and lustre): d_inode() annotations

that's the bulk of filesystem drivers dealing with inodes of their own

Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/fs/kernfs/dir.c b/fs/kernfs/dir.c
index 6acc964..f131fc2 100644
--- a/fs/kernfs/dir.c
+++ b/fs/kernfs/dir.c
@@ -444,7 +444,7 @@
 		return -ECHILD;
 
 	/* Always perform fresh lookup for negatives */
-	if (!dentry->d_inode)
+	if (d_really_is_negative(dentry))
 		goto out_bad_unlocked;
 
 	kn = dentry->d_fsdata;