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check existing volumes for writable status

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This commit is contained in:
Chris Lu 2020-10-24 01:34:31 -07:00
parent 19772d70d7
commit e0002f8dd7
1 changed files with 19 additions and 8 deletions
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27
weed/topology/volume_layout.go
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@ -139,7 +139,7 @@ func (vl *VolumeLayout) RegisterVolume(v *storage.VolumeInfo, dn *DataNode) {
vl.accessLock.Lock()
defer vl.accessLock.Unlock()
defer vl.ensureCorrectWritables(v)
defer vl.ensureCorrectWritables(v.Id)
defer vl.rememberOversizedVolume(v, dn)
if _, ok := vl.vid2location[v.Id]; !ok {
@ -189,7 +189,7 @@ func (vl *VolumeLayout) UnRegisterVolume(v *storage.VolumeInfo, dn *DataNode) {
vl.readonlyVolumes.Remove(v.Id, dn)
vl.oversizedVolumes.Remove(v.Id, dn)
vl.ensureCorrectWritables(v)
vl.ensureCorrectWritables(v.Id)
if location.Length() == 0 {
delete(vl.vid2location, v.Id)
@ -202,19 +202,30 @@ func (vl *VolumeLayout) EnsureCorrectWritables(v *storage.VolumeInfo) {
vl.accessLock.Lock()
defer vl.accessLock.Unlock()
vl.ensureCorrectWritables(v)
vl.ensureCorrectWritables(v.Id)
}
func (vl *VolumeLayout) ensureCorrectWritables(v *storage.VolumeInfo) {
if vl.enoughCopies(v.Id) && vl.isWritable(v) {
if !vl.oversizedVolumes.IsTrue(v.Id) {
vl.setVolumeWritable(v.Id)
func (vl *VolumeLayout) ensureCorrectWritables(vid needle.VolumeId) {
if vl.enoughCopies(vid) && vl.isAllWritable(vid) {
if !vl.oversizedVolumes.IsTrue(vid) {
vl.setVolumeWritable(vid)
}
} else {
vl.removeFromWritable(v.Id)
vl.removeFromWritable(vid)
}
}
func (vl *VolumeLayout) isAllWritable(vid needle.VolumeId) bool {
for _, dn := range vl.vid2location[vid].list {
if v, found := dn.volumes[vid]; found {
if v.ReadOnly {
return false
}
}
}
return true
}
func (vl *VolumeLayout) isOversized(v *storage.VolumeInfo) bool {
return uint64(v.Size) >= vl.volumeSizeLimit
}