Status CollectionShardingState::waitForClean(OperationContext* opCtx,
const NamespaceString& nss,
OID const& epoch,
ChunkRange orphanRange) {
while (true) {
boost::optional<CleanupNotification> stillScheduled;
{
AutoGetCollection autoColl(opCtx, nss, MODE_IX);
auto css = CollectionShardingState::get(opCtx, nss);
{
// First, see if collection was dropped, but do it in a separate scope in order to
// not hold reference on it, which would make it appear in use
auto metadata = css->_metadataManager->getActiveMetadata(css->_metadataManager);
if (!metadata || metadata->getCollVersion().epoch() != epoch) {
return {ErrorCodes::StaleShardVersion, "Collection being migrated was dropped"};
}
}
stillScheduled = css->trackOrphanedDataCleanup(orphanRange);
if (!stillScheduled) {
log() << "Finished deleting " << nss.ns() << " range "
<< redact(orphanRange.toString());
return Status::OK();
}
}
log() << "Waiting for deletion of " << nss.ns() << " range " << orphanRange;
Status result = stillScheduled->waitStatus(opCtx);
if (!result.isOK()) {
return result.withContext(str::stream() << "Failed to delete orphaned " << nss.ns()
<< " range "
<< orphanRange.toString());
}
}
MONGO_UNREACHABLE;
}
/* static */
Status CollectionShardingState::waitForClean(OperationContext* opCtx,
NamespaceString nss,
OID const& epoch,
ChunkRange orphanRange) {
do {
auto stillScheduled = boost::optional<CleanupNotification>();
{
AutoGetCollection autoColl(opCtx, nss, MODE_IX);
// First, see if collection was dropped.
auto css = CollectionShardingState::get(opCtx, nss);
{
auto metadata = css->_metadataManager->getActiveMetadata(css->_metadataManager);
if (!metadata || metadata->getCollVersion().epoch() != epoch) {
return {ErrorCodes::StaleShardVersion, "Collection being migrated was dropped"};
}
} // drop metadata
stillScheduled = css->trackOrphanedDataCleanup(orphanRange);
if (!stillScheduled) {
log() << "Finished deleting " << nss.ns() << " range "
<< redact(orphanRange.toString());
return Status::OK();
}
} // drop collection lock
log() << "Waiting for deletion of " << nss.ns() << " range " << orphanRange;
Status result = stillScheduled->waitStatus(opCtx);
if (!result.isOK()) {
return Status{result.code(),
str::stream() << "Failed to delete orphaned " << nss.ns() << " range "
<< orphanRange.toString()
<< ": "
<< result.reason()};
}
} while (true);
MONGO_UNREACHABLE;
}
