rename: delete source entry metadata only, skipping hard links

2 files changed, 16 insertions, 4 deletions

diff --git a/weed/mount/meta_cache/meta_cache.go b/weed/mount/meta_cache/meta_cache.go
index 7f997c5b0..994f00463 100644
--- a/weed/mount/meta_cache/meta_cache.go
+++ b/weed/mount/meta_cache/meta_cache.go
@@ -62,7 +62,7 @@ func (mc *MetaCache) doInsertEntry(ctx context.Context, entry *filer.Entry) erro
 	return mc.localStore.InsertEntry(ctx, entry)
 }
 
-func (mc *MetaCache) AtomicUpdateEntryFromFiler(ctx context.Context, oldPath util.FullPath, newEntry *filer.Entry) error {
+func (mc *MetaCache) AtomicUpdateEntryFromFiler(ctx context.Context, oldPath util.FullPath, newEntry *filer.Entry, shouldDeleteChunks bool) error {
 	//mc.Lock()
 	//defer mc.Unlock()
 
@@ -74,8 +74,14 @@ func (mc *MetaCache) AtomicUpdateEntryFromFiler(ctx context.Context, oldPath uti
 				// leave the update to the following InsertEntry operation
 			} else {
 				glog.V(3).Infof("DeleteEntry %s", oldPath)
-				if err := mc.localStore.DeleteEntry(ctx, oldPath); err != nil {
-					return err
+				if shouldDeleteChunks {
+					if err := mc.localStore.DeleteEntry(ctx, oldPath); err != nil {
+						return err
+					}
+				} else {
+					if err := mc.localStore.DeleteOneEntrySkipHardlink(ctx, oldPath); err != nil {
+						return err
+					}
 				}
 			}
 		}
@@ -112,6 +118,12 @@ func (mc *MetaCache) FindEntry(ctx context.Context, fp util.FullPath) (entry *fi
 	return
 }
 
+func (mc *MetaCache) DeleteEntrySkipHardlink(ctx context.Context, fp util.FullPath) (err error) {
+	//mc.Lock()
+	//defer mc.Unlock()
+	return mc.localStore.DeleteOneEntrySkipHardlink(ctx, fp)
+}
+
 func (mc *MetaCache) DeleteEntry(ctx context.Context, fp util.FullPath) (err error) {
 	//mc.Lock()
 	//defer mc.Unlock()
diff --git a/weed/mount/meta_cache/meta_cache_subscribe.go b/weed/mount/meta_cache/meta_cache_subscribe.go
index a0c5935ca..12ce8d8a7 100644
--- a/weed/mount/meta_cache/meta_cache_subscribe.go
+++ b/weed/mount/meta_cache/meta_cache_subscribe.go
@@ -36,7 +36,7 @@ func SubscribeMetaEvents(mc *MetaCache, selfSignature int32, client filer_pb.Fil
 			glog.V(4).Infof("creating %v", key)
 			newEntry = filer.FromPbEntry(dir, message.NewEntry)
 		}
-		err := mc.AtomicUpdateEntryFromFiler(context.Background(), oldPath, newEntry)
+		err := mc.AtomicUpdateEntryFromFiler(context.Background(), oldPath, newEntry, message.DeleteChunks)
 		if err == nil {
 			if message.OldEntry != nil && message.NewEntry != nil {
 				oldKey := util.NewFullPath(resp.Directory, message.OldEntry.Name)