kernfs: remove unneeded #if 0 guard

Commit f2eb478f2f32 ("kernfs: move struct kernfs_root out of the public
view.") moved kernfs_root out of kernfs.h, but my debugging code of a
 #if 0 was left in accidentally.  Fix that up by removing the guards.

Fixes: f2eb478f2f32 ("kernfs: move struct kernfs_root out of the public view.")
Cc: Tejun Heo <tj@kernel.org>
Reported-by: Al Viro <viro@zeniv.linux.org.uk>
Link: https://lore.kernel.org/r/20220318073452.1486568-1-gregkh@linuxfoundation.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/include/linux/kernfs.h b/include/linux/kernfs.h
index 62aff08..e2ae15a 100644 (file)
--- a/include/linux/kernfs.h
+++ b/include/linux/kernfs.h
@@ -185,26 +185,6 @@ struct kernfs_syscall_ops {
                         struct kernfs_root *root);
 };
 
-#if 0
-struct kernfs_root {
-       /* published fields */
-       struct kernfs_node      *kn;
-       unsigned int            flags;  /* KERNFS_ROOT_* flags */
-
-       /* private fields, do not use outside kernfs proper */
-       struct idr              ino_idr;
-       u32                     last_id_lowbits;
-       u32                     id_highbits;
-       struct kernfs_syscall_ops *syscall_ops;
-
-       /* list of kernfs_super_info of this root, protected by kernfs_rwsem */
-       struct list_head        supers;
-
-       wait_queue_head_t       deactivate_waitq;
-       struct rw_semaphore     kernfs_rwsem;
-};
-#endif
-
 struct kernfs_node *kernfs_root_to_node(struct kernfs_root *root);
 
 struct kernfs_open_file {