From b054dd18911ad395e11012db4fffcbc1d0385ae4 Mon Sep 17 00:00:00 2001
From: Miklos Szeredi <miklos@szeredi.hu>
Date: Mon, 27 Sep 2004 17:07:10 +0000
Subject: patch by Steven James

---
 python/_fusemodule.c | 19 +++++++++++++++++++
 python/fuse.py       | 20 ++++++++++++++++++--
 python/xmp.py        |  1 -
 3 files changed, 37 insertions(+), 3 deletions(-)

diff --git a/python/_fusemodule.c b/python/_fusemodule.c
index 60fb66c..fba65b4 100644
--- a/python/_fusemodule.c
+++ b/python/_fusemodule.c
@@ -474,6 +474,24 @@ Fuse_main(PyObject *self, PyObject *args, PyObject *kw)
 // List of functions defined in the module
 //@-at
 //@@c
+static char FuseInvalidate__doc__[] =
+	"Tell Fuse kernel module to explicitly invalidate a cached inode's contents\n";
+
+static PyObject *FuseInvalidate( PyObject *self, PyObject *args) {
+	char *path;
+	PyObject *ret;
+	int err;
+
+	PyString_Check(args);
+
+	path = PyString_AsString(args);
+
+	err = fuse_invalidate(fuse, path);
+
+	ret = PyInt_FromLong(err);
+
+	return(ret);
+}
 
 static char FuseGetContext__doc__[] =
 	"Return the context of a filesystem operation in a dict. uid, gid, pid\n";
@@ -505,6 +523,7 @@ static PyObject *FuseGetContext( PyObject *self, PyObject *args) {
 static PyMethodDef Fuse_methods[] = {
 	{"main",	(PyCFunction)Fuse_main,	 METH_VARARGS|METH_KEYWORDS},
 	{"FuseGetContext", (PyCFunction)FuseGetContext, METH_VARARGS, FuseGetContext__doc__},
+	{"FuseInvalidate", (PyCFunction)FuseInvalidate, METH_VARARGS, FuseInvalidate__doc__},
 	{NULL,		NULL}		/* sentinel */
 };
 
diff --git a/python/fuse.py b/python/fuse.py
index 3b0cd6d..ece9686 100644
--- a/python/fuse.py
+++ b/python/fuse.py
@@ -21,7 +21,8 @@ try:
 except:
     pass
  
-from _fuse import main
+from _fuse import main, FuseGetContext, FuseInvalidate
+from string import join
 import os, sys
 from errno import *
 
@@ -82,6 +83,13 @@ class Fuse:
                     self.optdict[k] = v
                 except:
                     self.optlist.append(o)
+
+    def GetContext(self):
+	return FuseGetContext(self)
+
+    def Invalidate(self, path):
+        return FuseInvalidate(self, path)
+
     #@-node:__init__
     #@+node:main
     def main(self):
@@ -91,8 +99,16 @@ class Fuse:
         if hasattr( self, 'debug'):
             d['lopts'] = 'debug';
 
-        d['kopts'] = 'allow_other,kernel_cache';
+        k=[]
+        if hasattr(self,'allow_other'):
+                k.append('allow_other')
+
+        if hasattr(self,'kernel_cache'):
+                k.append('kernel_cache')
 
+	if len(k):
+                d['kopts'] = join(k,',')
+	
     	for a in self._attrs:
     		if hasattr(self,a):
     			d[a] = ErrnoWrapper(getattr(self, a))
diff --git a/python/xmp.py b/python/xmp.py
index e3ad741..946bca8 100755
--- a/python/xmp.py
+++ b/python/xmp.py
@@ -179,7 +179,6 @@ class Xmp(Fuse):
 if __name__ == '__main__':
 
 	server = Xmp()
-	server.flags = 0
 	server.multithreaded = 1;
 	server.main()
 #@-node:mainline
-- 
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