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volume: atomic copying file, adds version and stopOffset

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This commit is contained in:
Chris Lu
2019-04-19 12:29:49 -07:00
parent 730a032137
commit 3b3651dea3
9 changed files with 168 additions and 113 deletions
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16
weed/storage/volume_super_block.go
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@@ -24,12 +24,12 @@ const (
* Rest bytes: Reserved
*/
type SuperBlock struct {
version needle.Version
ReplicaPlacement *ReplicaPlacement
Ttl *needle.TTL
CompactRevision uint16
Extra *master_pb.SuperBlockExtra
extraSize uint16
version needle.Version
ReplicaPlacement *ReplicaPlacement
Ttl *needle.TTL
CompactionRevision uint16
Extra *master_pb.SuperBlockExtra
extraSize uint16
}
func (s *SuperBlock) BlockSize() int {
@@ -48,7 +48,7 @@ func (s *SuperBlock) Bytes() []byte {
header[0] = byte(s.version)
header[1] = s.ReplicaPlacement.Byte()
s.Ttl.ToBytes(header[2:4])
util.Uint16toBytes(header[4:6], s.CompactRevision)
util.Uint16toBytes(header[4:6], s.CompactionRevision)
if s.Extra != nil {
extraData, err := proto.Marshal(s.Extra)
@@ -112,7 +112,7 @@ func ReadSuperBlock(dataFile *os.File) (superBlock SuperBlock, err error) {
return
}
superBlock.Ttl = needle.LoadTTLFromBytes(header[2:4])
superBlock.CompactRevision = util.BytesToUint16(header[4:6])
superBlock.CompactionRevision = util.BytesToUint16(header[4:6])
superBlock.extraSize = util.BytesToUint16(header[6:8])
if superBlock.extraSize > 0 {