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mutable/filenode.py: don't fetch more segments than necesasry to update the file

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This commit is contained in:
Kevan Carstensen 2011-08-13 14:00:05 -07:00
parent b49986f801
commit 62c72881bb
1 changed files with 3 additions and 0 deletions
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3
src/allmydata/mutable/filenode.py
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@ -1114,6 +1114,9 @@ class MutableFileVersion:
end_segment = start_segment
if offset + data.get_size() < self.get_size():
end_data = offset + data.get_size()
# The last byte we touch is the end_data'th byte, which is actually
# byte end_data - 1 because bytes are zero-indexed.
end_data -= 1
end_segment = end_data // segsize
self._start_segment = start_segment