.

wcfs/misc.go

@@ -598,3 +598,24 @@ func tidmin(a, b zodb.Tid) zodb.Tid {
 		return b
 	}
 }
+
+
+// ---- make df happy (else it complains "function not supported") ----
+
+func (root *Root) StatFs() *fuse.StatfsOut {
+	return &fuse.StatfsOut{
+		// filesystem sizes	XXX get root.zstor.Size() ?
+		Blocks: 0,
+		Bfree:  0,
+		Bavail: 0,
+
+		// do we need to count files?
+		Files: 0,
+		Ffree: 0,
+
+		Bsize:	2*1024*1024,	// XXX ok? better get from root
+		Frsize: 2*1024*1024,
+
+		NameLen: 255,		// XXX ok? /proc uses the same
+	}
+}

wcfs/wcfs_test.py

@@ -611,6 +611,7 @@ def test_wcfs():
 
     # XXX mmap f; change f[blk] on pin message while under pagefault - should get changed page
 
+    # XXX access to block not previously accessed but invalidated in ZODB