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support Fallocate on linux

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This commit is contained in:
Chris Lu
2017-01-08 11:01:46 -08:00
parent 7b6837cbc2
commit ed44f12f6d
17 changed files with 104 additions and 33 deletions
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10
weed/storage/store.go
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@@ -95,7 +95,7 @@ func NewStore(port int, ip, publicUrl string, dirnames []string, maxVolumeCounts
}
return
}
func (s *Store) AddVolume(volumeListString string, collection string, needleMapKind NeedleMapType, replicaPlacement string, ttlString string) error {
func (s *Store) AddVolume(volumeListString string, collection string, needleMapKind NeedleMapType, replicaPlacement string, ttlString string, preallocate int64) error {
rt, e := NewReplicaPlacementFromString(replicaPlacement)
if e != nil {
return e
@@ -111,7 +111,7 @@ func (s *Store) AddVolume(volumeListString string, collection string, needleMapK
if err != nil {
return fmt.Errorf("Volume Id %s is not a valid unsigned integer!", id_string)
}
e = s.addVolume(VolumeId(id), collection, needleMapKind, rt, ttl)
e = s.addVolume(VolumeId(id), collection, needleMapKind, rt, ttl, preallocate)
} else {
pair := strings.Split(range_string, "-")
start, start_err := strconv.ParseUint(pair[0], 10, 64)
@@ -123,7 +123,7 @@ func (s *Store) AddVolume(volumeListString string, collection string, needleMapK
return fmt.Errorf("Volume End Id %s is not a valid unsigned integer!", pair[1])
}
for id := start; id <= end; id++ {
if err := s.addVolume(VolumeId(id), collection, needleMapKind, rt, ttl); err != nil {
if err := s.addVolume(VolumeId(id), collection, needleMapKind, rt, ttl, preallocate); err != nil {
e = err
}
}
@@ -160,14 +160,14 @@ func (s *Store) findFreeLocation() (ret *DiskLocation) {
}
return ret
}
func (s *Store) addVolume(vid VolumeId, collection string, needleMapKind NeedleMapType, replicaPlacement *ReplicaPlacement, ttl *TTL) error {
func (s *Store) addVolume(vid VolumeId, collection string, needleMapKind NeedleMapType, replicaPlacement *ReplicaPlacement, ttl *TTL, preallocate int64) error {
if s.findVolume(vid) != nil {
return fmt.Errorf("Volume Id %d already exists!", vid)
}
if location := s.findFreeLocation(); location != nil {
glog.V(0).Infof("In dir %s adds volume:%v collection:%s replicaPlacement:%v ttl:%v",
location.Directory, vid, collection, replicaPlacement, ttl)
if volume, err := NewVolume(location.Directory, collection, vid, needleMapKind, replicaPlacement, ttl); err == nil {
if volume, err := NewVolume(location.Directory, collection, vid, needleMapKind, replicaPlacement, ttl, preallocate); err == nil {
location.SetVolume(vid, volume)
return nil
} else {