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>
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 @@
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()