Re: [PATCH] USB and Driver Core patches for 2.6.10

[Greg KH <greg@kroah.com>]

ChangeSet 1.1938.444.30, 2004/12/21 22:43:19-08:00, greg@kroah.com

debugfs: add /sys/kernel/debug mount point for people to mount debugfs on.

Signed-off-by: Greg Kroah-Hartman <greg@kroah.com>


 fs/debugfs/inode.c |   15 ++++++++++++++-
 1 files changed, 14 insertions(+), 1 deletion(-)


diff -Nru a/fs/debugfs/inode.c b/fs/debugfs/inode.c
--- a/fs/debugfs/inode.c	2005-01-07 15:40:16 -08:00
+++ b/fs/debugfs/inode.c	2005-01-07 15:40:16 -08:00
@@ -298,15 +298,28 @@
 }
 EXPORT_SYMBOL_GPL(debugfs_remove);
 
+static decl_subsys(debug, NULL, NULL);
+
 static int __init debugfs_init(void)
 {
-	return register_filesystem(&debug_fs_type);
+	int retval;
+
+	kset_set_kset_s(&debug_subsys, kernel_subsys);
+	retval = subsystem_register(&debug_subsys);
+	if (retval)
+		return retval;
+
+	retval = register_filesystem(&debug_fs_type);
+	if (retval)
+		subsystem_unregister(&debug_subsys);
+	return retval;
 }
 
 static void __exit debugfs_exit(void)
 {
 	simple_release_fs(&debugfs_mount, &debugfs_mount_count);
 	unregister_filesystem(&debug_fs_type);
+	subsystem_unregister(&debug_subsys);
 }
 
 core_initcall(debugfs_init);