don't clobber existing storefile every put block

diff --git a/src/allmydata/storageserver.py b/src/allmydata/storageserver.py
index 1cdea75aff56cb48beb341bf7f5d8d135701e501..67def3680c557f0b1f251eaed50705cb56aee0a5 100644 (file)
--- a/src/allmydata/storageserver.py
+++ b/src/allmydata/storageserver.py
@@ -42,7 +42,7 @@ class BucketWriter(Referenceable):
         # last one may be short, and we don't know the total number of
         # segments so we can't tell which is which.
         assert len(data) <= self.blocksize
-        f = open(os.path.join(self.incominghome, 'data'), 'wb')
+        f = fileutil.open_or_create(os.path.join(self.incominghome, 'data'))
         f.seek(self.blocksize*segmentnum)
         f.write(data)