X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/a66462de44bf709365aaa562570c9b6b68dd92b7..f1f74069850d8c5e987ef7d7fc246735ff94d58d:/sdk/go/arvados/fs_collection.go

diff --git a/sdk/go/arvados/fs_collection.go b/sdk/go/arvados/fs_collection.go
index 0c5819721e..ccfbdc4da2 100644
--- a/sdk/go/arvados/fs_collection.go
+++ b/sdk/go/arvados/fs_collection.go
@@ -1159,15 +1159,17 @@ func (dn *dirnode) MemorySize() (size int64) {
 		case *dirnode:
 			size += node.MemorySize()
 		case *filenode:
+			size += 64
 			for _, seg := range node.segments {
 				switch seg := seg.(type) {
 				case *memSegment:
 					size += int64(seg.Len())
 				}
+				size += 64
 			}
 		}
 	}
-	return
+	return 64 + size
 }
 
 // caller must have write lock.
@@ -1565,7 +1567,7 @@ func (dn *dirnode) snapshot() (*dirnode, error) {
 func (dn *dirnode) Splice(repl inode) error {
 	repl, err := repl.Snapshot()
 	if err != nil {
-		return err
+		return fmt.Errorf("cannot copy snapshot: %w", err)
 	}
 	switch repl := repl.(type) {
 	default:
@@ -1599,7 +1601,7 @@ func (dn *dirnode) Splice(repl inode) error {
 		defer dn.Unlock()
 		_, err = dn.parent.Child(dn.fileinfo.name, func(inode) (inode, error) { return repl, nil })
 		if err != nil {
-			return err
+			return fmt.Errorf("error replacing filenode: dn.parent.Child(): %w", err)
 		}
 		repl.fs = dn.fs
 	}