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| author | Henrik Edin <henrik.edin@mongodb.com> | 2020-11-03 12:42:38 -0500 |
|---|---|---|
| committer | Evergreen Agent <no-reply@evergreen.mongodb.com> | 2020-11-13 20:15:34 +0000 |
| commit | 8f9823f644d0b6beba8a301866141a578d278534 (patch) | |
| tree | 1ef4bc439da93a2b39cff7c96a975668c27e7070 /src/mongo/db/dbhelpers.cpp | |
| parent | b670258ac185ecea0492c742f2f50da9d8ab618f (diff) | |
| download | mongo-8f9823f644d0b6beba8a301866141a578d278534.tar.gz | |
SERVER-52556 Versioned CollectionCatalog. Writes are performed using copy-on-write.
Internal mutexes when reading CollectionCatalog are removed, just one mutex for writes are needed.
Lock-free reads helper AutoGetCollectionForReadLockFree stashes a CollectionCatalog consistent with snapshot on OperationContext
Diffstat (limited to 'src/mongo/db/dbhelpers.cpp')
| -rw-r--r-- | src/mongo/db/dbhelpers.cpp | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/mongo/db/dbhelpers.cpp b/src/mongo/db/dbhelpers.cpp index 4730e429f1c..ee9a0956c8b 100644 --- a/src/mongo/db/dbhelpers.cpp +++ b/src/mongo/db/dbhelpers.cpp @@ -130,7 +130,7 @@ bool Helpers::findById(OperationContext* opCtx, // TODO ForRead? CollectionPtr collection = - CollectionCatalog::get(opCtx).lookupCollectionByNamespace(opCtx, NamespaceString(ns)); + CollectionCatalog::get(opCtx)->lookupCollectionByNamespace(opCtx, NamespaceString(ns)); if (!collection) { return false; } @@ -307,7 +307,7 @@ void Helpers::emptyCollection(OperationContext* opCtx, const NamespaceString& ns OldClientContext context(opCtx, nss.ns()); repl::UnreplicatedWritesBlock uwb(opCtx); CollectionPtr collection = context.db() - ? CollectionCatalog::get(opCtx).lookupCollectionByNamespace(opCtx, nss) + ? CollectionCatalog::get(opCtx)->lookupCollectionByNamespace(opCtx, nss) : nullptr; deleteObjects(opCtx, collection, nss, BSONObj(), false); } |