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mount: fix difference with storage format in local cache

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This commit is contained in:
Chris Lu 2020-07-20 00:17:50 -07:00
parent 97d97f3528
commit 60d14a9800
1 changed files with 21 additions and 2 deletions
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23
weed/filesys/meta_cache/meta_cache.go
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@ -8,10 +8,14 @@ import (
"github.com/chrislusf/seaweedfs/weed/filer2"
"github.com/chrislusf/seaweedfs/weed/filer2/leveldb"
"github.com/chrislusf/seaweedfs/weed/glog"
"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
"github.com/chrislusf/seaweedfs/weed/util"
"github.com/chrislusf/seaweedfs/weed/util/bounded_tree"
)
// need to have logic similar to FilerStoreWrapper
// e.g. fill fileId field for chunks
type MetaCache struct {
actualStore filer2.FilerStore
sync.RWMutex
@ -46,6 +50,7 @@ func openMetaStore(dbFolder string) filer2.FilerStore {
func (mc *MetaCache) InsertEntry(ctx context.Context, entry *filer2.Entry) error {
mc.Lock()
defer mc.Unlock()
filer_pb.BeforeEntrySerialization(entry.Chunks)
return mc.actualStore.InsertEntry(ctx, entry)
}
@ -78,13 +83,19 @@ func (mc *MetaCache) AtomicUpdateEntry(ctx context.Context, oldPath util.FullPat
func (mc *MetaCache) UpdateEntry(ctx context.Context, entry *filer2.Entry) error {
mc.Lock()
defer mc.Unlock()
filer_pb.BeforeEntrySerialization(entry.Chunks)
return mc.actualStore.UpdateEntry(ctx, entry)
}
func (mc *MetaCache) FindEntry(ctx context.Context, fp util.FullPath) (entry *filer2.Entry, err error) {
mc.RLock()
defer mc.RUnlock()
return mc.actualStore.FindEntry(ctx, fp)
entry, err = mc.actualStore.FindEntry(ctx, fp)
if err != nil {
return nil, err
}
filer_pb.AfterEntryDeserialization(entry.Chunks)
return
}
func (mc *MetaCache) DeleteEntry(ctx context.Context, fp util.FullPath) (err error) {
@ -96,7 +107,15 @@ func (mc *MetaCache) DeleteEntry(ctx context.Context, fp util.FullPath) (err err
func (mc *MetaCache) ListDirectoryEntries(ctx context.Context, dirPath util.FullPath, startFileName string, includeStartFile bool, limit int) ([]*filer2.Entry, error) {
mc.RLock()
defer mc.RUnlock()
return mc.actualStore.ListDirectoryEntries(ctx, dirPath, startFileName, includeStartFile, limit)
entries, err := mc.actualStore.ListDirectoryEntries(ctx, dirPath, startFileName, includeStartFile, limit)
if err != nil {
return nil, err
}
for _, entry := range entries {
filer_pb.AfterEntryDeserialization(entry.Chunks)
}
return entries, err
}
func (mc *MetaCache) Shutdown() {