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rename: delete source entry metadata only, skipping hard links

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This commit is contained in:
chrislu 2022-02-25 02:57:54 -08:00
parent 8080fe4cc1
commit 03466f955e
5 changed files with 36 additions and 7 deletions
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6
weed/filer/filer_delete_entry.go
View file

@ -125,7 +125,11 @@ func (f *Filer) doDeleteEntryMetaAndData(ctx context.Context, entry *Entry, shou
glog.V(3).Infof("deleting entry %v, delete chunks: %v", entry.FullPath, shouldDeleteChunks)
if storeDeletionErr := f.Store.DeleteOneEntry(ctx, entry); storeDeletionErr != nil {
if !entry.IsDirectory() && !shouldDeleteChunks {
if storeDeletionErr := f.Store.DeleteOneEntrySkipHardlink(ctx, entry.FullPath); storeDeletionErr != nil {
return fmt.Errorf("filer store delete skip hardlink: %v", storeDeletionErr)
}
} else if storeDeletionErr := f.Store.DeleteOneEntry(ctx, entry); storeDeletionErr != nil {
return fmt.Errorf("filer store delete: %v", storeDeletionErr)
}
if !entry.IsDirectory() {

13
weed/filer/filerstore_wrapper.go
View file

@ -23,6 +23,7 @@ type VirtualFilerStore interface {
FilerStore
DeleteHardLink(ctx context.Context, hardLinkId HardLinkId) error
DeleteOneEntry(ctx context.Context, entry *Entry) error
DeleteOneEntrySkipHardlink(ctx context.Context, fullpath util.FullPath) error
AddPathSpecificStore(path string, storeId string, store FilerStore)
OnBucketCreation(bucket string)
OnBucketDeletion(bucket string)
@ -216,6 +217,18 @@ func (fsw *FilerStoreWrapper) DeleteOneEntry(ctx context.Context, existingEntry
return actualStore.DeleteEntry(ctx, existingEntry.FullPath)
}
func (fsw *FilerStoreWrapper) DeleteOneEntrySkipHardlink(ctx context.Context, fullpath util.FullPath) (err error) {
actualStore := fsw.getActualStore(fullpath)
stats.FilerStoreCounter.WithLabelValues(actualStore.GetName(), "delete").Inc()
start := time.Now()
defer func() {
stats.FilerStoreHistogram.WithLabelValues(actualStore.GetName(), "delete").Observe(time.Since(start).Seconds())
}()
glog.V(4).Infof("DeleteOneEntrySkipHardlink %s", fullpath)
return actualStore.DeleteEntry(ctx, fullpath)
}
func (fsw *FilerStoreWrapper) DeleteFolderChildren(ctx context.Context, fp util.FullPath) (err error) {
actualStore := fsw.getActualStore(fp + "/")
stats.FilerStoreCounter.WithLabelValues(actualStore.GetName(), "deleteFolderChildren").Inc()

18
weed/mount/meta_cache/meta_cache.go
View file

@ -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()

2
weed/mount/meta_cache/meta_cache_subscribe.go
View file

@ -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)

4
weed/mount/weedfs_rename.go
View file

@ -217,7 +217,7 @@ func (wfs *WFS) handleRenameResponse(ctx context.Context, resp *filer_pb.StreamR
if resp.EventNotification.NewEntry != nil {
// with new entry, the old entry name also exists. This is the first step to create new entry
newEntry := filer.FromPbEntry(resp.EventNotification.NewParentPath, resp.EventNotification.NewEntry)
if err := wfs.metaCache.AtomicUpdateEntryFromFiler(ctx, "", newEntry); err != nil {
if err := wfs.metaCache.AtomicUpdateEntryFromFiler(ctx, "", newEntry, false); err != nil {
return err
}
@ -231,7 +231,7 @@ func (wfs *WFS) handleRenameResponse(ctx context.Context, resp *filer_pb.StreamR
} else if resp.EventNotification.OldEntry != nil {
// without new entry, only old entry name exists. This is the second step to delete old entry
if err := wfs.metaCache.AtomicUpdateEntryFromFiler(ctx, util.NewFullPath(resp.Directory, resp.EventNotification.OldEntry.Name), nil); err != nil {
if err := wfs.metaCache.AtomicUpdateEntryFromFiler(ctx, util.NewFullPath(resp.Directory, resp.EventNotification.OldEntry.Name), nil, resp.EventNotification.DeleteChunks); err != nil {
return err
}
}