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| author | Mathias Stearn <redbeard0531@gmail.com> | 2014-09-22 16:14:51 -0400 |
|---|---|---|
| committer | Mathias Stearn <redbeard0531@gmail.com> | 2014-09-22 17:08:59 -0400 |
| commit | 7f3e27009faafa5b3f8913f05c1be3d49e36ff08 (patch) | |
| tree | 542705bf812b8ec2ce58d99ce192cfb004149979 | |
| parent | 4dcdc66318f9fc8665c0bad68dab24ee86f5c4ae (diff) | |
| download | mongo-7f3e27009faafa5b3f8913f05c1be3d49e36ff08.tar.gz | |
SERVER-15319 Forward-compatible change for 2.8 freelist
Makes NamespaceDetails::orphanDeletedList() also orphan the new 2.8-only
deleted lists. This ensures that 2.8 won't attempt to reuse the space in
extents that no longer belong to this collection.
| -rw-r--r-- | src/mongo/db/structure/catalog/namespace_details.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/mongo/db/structure/catalog/namespace_details.cpp b/src/mongo/db/structure/catalog/namespace_details.cpp index ea003e07bbf..9d8489f3264 100644 --- a/src/mongo/db/structure/catalog/namespace_details.cpp +++ b/src/mongo/db/structure/catalog/namespace_details.cpp @@ -710,6 +710,9 @@ namespace mongo { for( int i = 0; i < Buckets; i++ ) { _deletedList[i].writing().Null(); } + + // SERVER-15319: Zero out reserved bytes that will become deleted-list buckets in 2.8. + memset(_reserved, 0, sizeof(_reserved) - 8); } int NamespaceDetails::_catalogFindIndexByName(const StringData& name, |