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/reiserfs/dir.c b/fs/reiserfs/dir.c
index 0a7dc94..4a024e2 100644
--- a/fs/reiserfs/dir.c
+++ b/fs/reiserfs/dir.c
@@ -53,8 +53,8 @@
 static inline bool is_privroot_deh(struct inode *dir, struct reiserfs_de_head *deh)
 {
 	struct dentry *privroot = REISERFS_SB(dir->i_sb)->priv_root;
-	return (privroot->d_inode &&
-	        deh->deh_objectid == INODE_PKEY(privroot->d_inode)->k_objectid);
+	return (d_really_is_positive(privroot) &&
+	        deh->deh_objectid == INODE_PKEY(d_inode(privroot))->k_objectid);
 }
 
 int reiserfs_readdir_inode(struct inode *inode, struct dir_context *ctx)