make stat requests route based on providerid (#2985)

Signed-off-by: Jörn Friedrich Dreyer <jfd@butonic.de>
cs3org · Jun 17, 2022 · 3b2537f · 3b2537f
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diff --git a/changelog/unreleased/allow-stat-to-route-based-on-id.md b/changelog/unreleased/allow-stat-to-route-based-on-id.md
@@ -0,0 +1,5 @@
+Bugfix: make stat requests route based on storage providerid
+
+The gateway now uses a filter mask to only fetch the root id of a space for stat requests. This allows the spaces registry to determine the responsible storage provider without querying the storageproviders.
+
+https://github.com/cs3org/reva/pull/2985
diff --git a/internal/grpc/services/gateway/storageprovider.go b/internal/grpc/services/gateway/storageprovider.go
@@ -1132,6 +1132,7 @@ func (s *svc) findSingleSpace(ctx context.Context, ref *provider.Reference) ([]*
 	}
 
 	filters := map[string]string{
+		"mask":   "root", // FIXME replace with fieldmask, here we only want to get the root resourceid
 		"path":   ref.Path,
 		"unique": "true",
 	}