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refactoring: separating .vif from tier file loading

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This commit is contained in:
Chris Lu 2019-12-28 11:35:27 -08:00
parent 2000284435
commit f4a74e03d1
3 changed files with 11 additions and 13 deletions
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1
weed/storage/volume.go
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@ -27,6 +27,7 @@ type Volume struct {
needleMapKind NeedleMapType
noWriteOrDelete bool // if readonly, either noWriteOrDelete or noWriteCanDelete
noWriteCanDelete bool // if readonly, either noWriteOrDelete or noWriteCanDelete
hasRemoteFile bool // if the volume has a remote file
MemoryMapMaxSizeMb uint32
super_block.SuperBlock

8
weed/storage/volume_loading.go
View file

@ -26,9 +26,13 @@ func (v *Volume) load(alsoLoadIndex bool, createDatIfMissing bool, needleMapKind
fileName := v.FileName()
alreadyHasSuperBlock := false
if v.maybeLoadVolumeInfo() {
v.maybeLoadVolumeInfo()
if v.HasRemoteFile() {
v.noWriteCanDelete = true
// open remote file
v.noWriteOrDelete = false
glog.V(0).Infof("loading volume %d from remote %v", v.Id, v.volumeInfo.Files)
v.LoadRemoteFile()
alreadyHasSuperBlock = true
} else if exists, canRead, canWrite, modifiedTime, fileSize := checkFile(fileName + ".dat"); exists {
// open dat file

15
weed/storage/volume_tier.go
View file

@ -7,10 +7,11 @@ import (
_ "github.com/chrislusf/seaweedfs/weed/storage/backend/s3_backend"
"github.com/golang/protobuf/jsonpb"
"github.com/chrislusf/seaweedfs/weed/glog"
"github.com/chrislusf/seaweedfs/weed/pb/volume_server_pb"
"github.com/chrislusf/seaweedfs/weed/storage/backend"
"github.com/golang/protobuf/jsonpb"
)
func (v *Volume) GetVolumeInfo() *volume_server_pb.VolumeInfo {
@ -57,21 +58,13 @@ func (v *Volume) maybeLoadVolumeInfo() bool {
glog.V(0).Infof("volume %d is tiered to %s as %s and read only", v.Id,
v.volumeInfo.Files[0].BackendName(), v.volumeInfo.Files[0].Key)
v.noWriteCanDelete = true
v.noWriteOrDelete = false
glog.V(0).Infof("loading volume %d from remote %v", v.Id, v.volumeInfo.Files)
v.LoadRemoteFile()
v.hasRemoteFile = true
return true
}
func (v *Volume) HasRemoteFile() bool {
if v.DataBackend == nil {
return false
}
_, ok := v.DataBackend.(*backend.DiskFile)
return !ok
return v.hasRemoteFile
}
func (v *Volume) LoadRemoteFile() error {