[PATCHv4 06/12] scripts/gdb: Provide a dentry_name VFS path helper

[Kieran Bingham]

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@xxxxxxxxxx>

---
Changes since v2:
 - dentry_name separated out from proc module for use elsewhere
---
 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()
-- 
2.5.0