Commit e209f919 authored by Jeff Layton's avatar Jeff Layton Committed by Jakub Kicinski
Browse files

ref_tracker: add a top level debugfs directory for ref_tracker 



Add a new "ref_tracker" directory in debugfs. Each individual refcount
tracker can register files under there to display info about
currently-held references.

Reviewed-by: default avatarAndrew Lunn <andrew@lunn.ch>
Reviewed-by: default avatarKrzysztof Karas <krzysztof.karas@intel.com>
Signed-off-by: default avatarJeff Layton <jlayton@kernel.org>
Link: https://patch.msgid.link/20250618-reftrack-dbgfs-v15-2-24fc37ead144@kernel.org


Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
parent 7d02ba96

lib/ref_tracker.c

+13 −0
Original line number Diff line number Diff line
@@ -273,3 +273,16 @@ int ref_tracker_free(struct ref_tracker_dir *dir, 
	return 0;

}

EXPORT_SYMBOL_GPL(ref_tracker_free);



#ifdef CONFIG_DEBUG_FS

#include <linux/debugfs.h>



static struct dentry *ref_tracker_debug_dir = (struct dentry *)-ENOENT;



static int __init ref_tracker_debugfs_init(void)

{

	ref_tracker_debug_dir = debugfs_create_dir("ref_tracker", NULL);

	return 0;

}

late_initcall(ref_tracker_debugfs_init);

#endif /* CONFIG_DEBUG_FS */