mount: cache on reading remote storage

2021-08-09 22:11:57 -07:00
parent a7012d9729
commit 69655ba8e5
4 changed files with 42 additions and 1 deletions
--- a/weed/filesys/filehandle.go
+++ b/weed/filesys/filehandle.go
@@ -114,6 +114,16 @@ func (fh *FileHandle) readFromChunks(buff []byte, offset int64) (int64, error) {
 		return 0, io.EOF
 	}

+	if entry.IsInRemoteOnly() {
+		glog.V(4).Infof("download remote entry %s", fh.f.fullpath())
+		newEntry, err := fh.f.downloadRemoteEntry(entry)
+		if err != nil {
+			glog.V(1).Infof("download remote entry %s: %v", fh.f.fullpath(), err)
+			return 0, err
+		}
+		entry = newEntry
+	}
+
 	fileSize := int64(filer.FileSize(entry))
 	fileFullPath := fh.f.fullpath()