[PATCH 04/17] libnetfs: track file name in struct peropen

[Justus Winter]

---
 libnetfs/dir-lookup.c      |    5 +++++
 libnetfs/fsys-getroot.c    |    6 +++++-
 libnetfs/make-peropen.c    |    8 ++++++++
 libnetfs/netfs.h           |    2 ++
 libnetfs/release-peropen.c |    1 +
 5 files changed, 21 insertions(+), 1 deletion(-)

diff --git a/libnetfs/dir-lookup.c b/libnetfs/dir-lookup.c
index f1b6438..2ce8cda 100644
--- a/libnetfs/dir-lookup.c
+++ b/libnetfs/dir-lookup.c
@@ -74,6 +74,11 @@ netfs_S_dir_lookup (struct protid *diruser,
       goto gotit;
     }
 
+  free (diruser->po->path);
+  diruser->po->path = strdup (filename); /* XXX is this the right place? */
+  if (! diruser->po->path)
+    return ENOMEM;
+
   dnp = diruser->po->np;
   pthread_mutex_lock (&dnp->lock);
 
diff --git a/libnetfs/fsys-getroot.c b/libnetfs/fsys-getroot.c
index a1dd5e5..0d80111 100644
--- a/libnetfs/fsys-getroot.c
+++ b/libnetfs/fsys-getroot.c
@@ -43,7 +43,11 @@ netfs_S_fsys_getroot (mach_port_t cntl,
   error_t err;
   struct protid *newpi;
   mode_t type;
-  struct peropen peropen_context = { root_parent: dotdot };
+  struct peropen peropen_context =
+    {
+      root_parent: dotdot,
+      path: NULL,
+    };
 
   if (!pt)
     return EOPNOTSUPP;
diff --git a/libnetfs/make-peropen.c b/libnetfs/make-peropen.c
index 92f58da..0d46ea3 100644
--- a/libnetfs/make-peropen.c
+++ b/libnetfs/make-peropen.c
@@ -31,6 +31,7 @@ netfs_make_peropen (struct node *np, int flags, struct 
peropen *context)
   po->refcnt = 0;
   po->openstat = flags;
   po->np = np;
+  po->path = NULL;
 
   if (context)
     {
@@ -47,6 +48,13 @@ netfs_make_peropen (struct node *np, int flags, struct 
peropen *context)
       if (po->shadow_root_parent != MACH_PORT_NULL)
        mach_port_mod_refs (mach_task_self (), po->shadow_root_parent,
                            MACH_PORT_RIGHT_SEND, 1);
+
+      if (context->path)
+        {
+          po->path = strdup (context->path);
+          if (! po->path)
+            return ENOMEM;
+        }
     }
 
   netfs_nref (np);
diff --git a/libnetfs/netfs.h b/libnetfs/netfs.h
index d1ebed0..2b9454a 100644
--- a/libnetfs/netfs.h
+++ b/libnetfs/netfs.h
@@ -63,6 +63,8 @@ struct peropen
   mach_port_t shadow_root_parent;
   /* If in a shadow tree, its root node in this translator.  */
   struct node *shadow_root;
+
+  char *path;
 };
 
 /* A unique one of these exists for each node currently in use. */
diff --git a/libnetfs/release-peropen.c b/libnetfs/release-peropen.c
index 3e65099..d4d3574 100644
--- a/libnetfs/release-peropen.c
+++ b/libnetfs/release-peropen.c
@@ -41,6 +41,7 @@ netfs_release_peropen (struct peropen *po)
 
       netfs_nput (po->np);
 
+      free (po->path);
       free (po);
     }
 }
-- 
1.7.10.4