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| author | Antonio Fuschetto <antonio.fuschetto@mongodb.com> | 2021-04-23 15:26:49 +0000 |
|---|---|---|
| committer | Evergreen Agent <no-reply@evergreen.mongodb.com> | 2021-04-27 08:18:17 +0000 |
| commit | bd5d5c0a03a557c25282075b93bf606a4435aa4a (patch) | |
| tree | 43a3bc3cf5ec22bbdecd2195aec7ab7ddd3bcd44 /src/mongo/db/s/config/sharding_catalog_manager.h | |
| parent | 0c7ff5fc51ce3cdfd103798e38525a99590430b8 (diff) | |
| download | mongo-bd5d5c0a03a557c25282075b93bf606a4435aa4a.tar.gz | |
SERVER-55867 commitMovePrimary concurrent with setFCV may write incorrect metadata
Diffstat (limited to 'src/mongo/db/s/config/sharding_catalog_manager.h')
| -rw-r--r-- | src/mongo/db/s/config/sharding_catalog_manager.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/src/mongo/db/s/config/sharding_catalog_manager.h b/src/mongo/db/s/config/sharding_catalog_manager.h index 5a72d95d78a..e8a7da2b356 100644 --- a/src/mongo/db/s/config/sharding_catalog_manager.h +++ b/src/mongo/db/s/config/sharding_catalog_manager.h @@ -671,6 +671,16 @@ private: * taking this. */ Lock::ResourceMutex _kZoneOpLock; + + /** + * Lock for local database operations. This should be acquired when executing + * 'commitMovePrimary' and 'setFeatureCompatibilityVersion' commands which affect the + * config.databases collection. No other locks should be held when locking this. If an operation + * needs to take database locks (for example to write to a local collection) those locks should + * be taken after taking this. + * TODO (SERVER-53283): Remove once version 5.0 has been released. + */ + Lock::ResourceMutex _kDatabaseOpLock; }; } // namespace mongo |