mirror/borg
1
0
Fork 0
mirror of https://github.com/borgbackup/borg.git synced 2025-02-23 14:41:43 +00:00
Code Issues Releases Wiki Activity

Merge pull request #5670 from ThomasWaldmann/fix-shadow-index-put-again

Browse source 
revert incorrect fix for put updating shadow_index, fixes #5661
This commit is contained in:
TW 2021-02-05 17:07:41 +01:00 committed by GitHub
commit 0ed75ca01d
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
1 changed files with 13 additions and 6 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

17
src/borg/repository.py
View file

@ -1191,9 +1191,11 @@ def put(self, id, data, wait=True):
except KeyError:
pass
else:
# note: doing a delete first will do some bookkeeping,
# like updating the shadow_index, quota, ...
self._delete(id, segment, offset)
# note: doing a delete first will do some bookkeeping.
# we do not want to update the shadow_index here, because
# we know already that we will PUT to this id, so it will
# be in the repo index (and we won't need it in the shadow_index).
self._delete(id, segment, offset, update_shadow_index=False)
segment, offset = self.io.write_put(id, data)
self.storage_quota_use += len(data) + self.io.put_header_fmt.size
self.segments.setdefault(segment, 0)
@ -1216,10 +1218,15 @@ def delete(self, id, wait=True):
segment, offset = self.index.pop(id)
except KeyError:
raise self.ObjectNotFound(id, self.path) from None
self._delete(id, segment, offset)
# if we get here, there is an object with this id in the repo,
# we write a DEL here that shadows the respective PUT.
# after the delete, the object is not in the repo index any more,
# for the compaction code, we need to update the shadow_index in this case.
self._delete(id, segment, offset, update_shadow_index=True)
def _delete(self, id, segment, offset):
def _delete(self, id, segment, offset, *, update_shadow_index):
# common code used by put and delete
if update_shadow_index:
self.shadow_index.setdefault(id, []).append(segment)
self.segments[segment] -= 1
size = self.io.read(segment, offset, id, read_data=False)