linux-kernel - [PATCH 07/18] scripts/gdb: Provide a dentry

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Message-Id: <4328fdb2d15ba7f1b21ad21c2eecc38d9cfc4d13.1462865983.git.jan.kiszka@siemens.com>
Date:	Tue, 10 May 2016 09:39:32 +0200
From:	Jan Kiszka <jan.kiszka@...mens.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	linux-kernel@...r.kernel.org,
	Kieran Bingham <kieran.bingham@...aro.org>
Subject: [PATCH 07/18] scripts/gdb: Provide a dentry_name VFS path helper

From: Kieran Bingham <kieran.bingham@...aro.org>

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

Signed-off-by: Kieran Bingham <kieran.bingham@...aro.org>
Signed-off-by: Jan Kiszka <jan.kiszka@...mens.com>
---
 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 dbe2ad7..de03a6b 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()
-- 
2.1.4