ocfs2/dlm: Dumps the lockres' into a debugfs file

This patch dumps all the lockres' alongwith all the locks into
a debugfs file. Useful for debugging.

Signed-off-by: Sunil Mushran <sunil.mushran@oracle.com>
Signed-off-by: Joel Becker <joel.becker@oracle.com>
Signed-off-by: Mark Fasheh <mfasheh@suse.com>

1 files changed, 8 insertions, 0 deletions

diff --git a/fs/ocfs2/dlm/dlmdebug.h b/fs/ocfs2/dlm/dlmdebug.h
index 94cc10a4e19c..7c5b2b0a05ed 100644
--- a/fs/ocfs2/dlm/dlmdebug.h
+++ b/fs/ocfs2/dlm/dlmdebug.h
@@ -30,6 +30,7 @@
 struct dlm_debug_ctxt {
         struct kref debug_refcnt;
         struct dentry *debug_state_dentry;
+        struct dentry *debug_lockres_dentry;
 };
 
 struct debug_buffer {
@@ -37,6 +38,13 @@ struct debug_buffer {
         char *buf;
 };
 
+struct debug_lockres {
+        int dl_len;
+        char *dl_buf;
+        struct dlm_ctxt *dl_ctxt;
+        struct dlm_lock_resource *dl_res;
+};
+
 int dlm_debug_init(struct dlm_ctxt *dlm);
 void dlm_debug_shutdown(struct dlm_ctxt *dlm);