From 74627cf2df50bfc29f51341578038e284796a101 Mon Sep 17 00:00:00 2001
From: Kieran Bingham <kieran.bingham@linaro.org>
Date: Mon, 23 May 2016 16:24:53 -0700
Subject: [PATCH] scripts/gdb: provide a dentry_name VFS path helper

Walk the VFS entries, pre-pending the iname strings to generate a full
VFS path name from a dentry.

Link: http://lkml.kernel.org/r/4328fdb2d15ba7f1b21ad21c2eecc38d9cfc4d13.1462865983.git.jan.kiszka@siemens.com
Signed-off-by: Kieran Bingham <kieran.bingham@linaro.org>
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 scripts/gdb/linux/utils.py | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/scripts/gdb/linux/utils.py b/scripts/gdb/linux/utils.py
index dbe2ad78048c..de03a6b505bb 100644
--- a/scripts/gdb/linux/utils.py
+++ b/scripts/gdb/linux/utils.py
@@ -161,3 +161,11 @@ def gdb_eval_or_none(expresssion):
         return gdb.parse_and_eval(expresssion)
     except:
         return None
+
+
+def dentry_name(d):
+    parent = d['d_parent']
+    if parent == d or parent == 0:
+        return ""
+    p = dentry_name(d['d_parent']) + "/"
+    return p + d['d_iname'].string()
-- 
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