Merge branch 'work.namei' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs

Pull vfs namei updates from Al Viro:
 "Pathwalk-related stuff"

[ Audit-related cleanups, misc simplifications, and easier to follow
  nd->root refcounts     - Linus ]

* 'work.namei' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
  devpts_pty_kill(): don't bother with d_delete()
  infiniband: don't bother with d_delete()
  hypfs: don't bother with d_delete()
  fs/namei.c: keep track of nd->root refcount status
  fs/namei.c: new helper - legitimize_root()
  kill the last users of user_{path,lpath,path_dir}()
  namei.h: get the comments on LOOKUP_... in sync with reality
  kill LOOKUP_NO_EVAL, don't bother including namei.h from audit.h
  audit_inode(): switch to passing AUDIT_INODE_...
  filename_mountpoint(): make LOOKUP_NO_EVAL unconditional there
  filename_lookup(): audit_inode() argument is always 0

drivers/infiniband/hw/qib/qib_fs.c

@@ -493,7 +493,7 @@ static int remove_device_files(struct super_block *sb,
 	remove_file(dir, "flash");
 	inode_unlock(d_inode(dir));
 	ret = simple_rmdir(d_inode(root), dir);
-	d_delete(dir);
+	d_drop(dir);
 	dput(dir);
 
 bail: