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cephfs: Get rid of locking at nodeUnpublish call

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Considering kubelet make sure the unstage and unpublish operations
are serialized, we dont need any extra locking in nodeUnpublish

Signed-off-by: Humble Chirammal <hchiramm@redhat.com>
This commit is contained in:
Humble Chirammal 2021-07-13 10:54:21 +05:30 committed by mergify[bot]
parent ef852cc93d
commit ced3a0922f
1 changed files with 2 additions and 9 deletions
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11
internal/cephfs/nodeserver.go
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@ -267,16 +267,9 @@ func (ns *NodeServer) NodeUnpublishVolume(
if err = util.ValidateNodeUnpublishVolumeRequest(req); err != nil { if err = util.ValidateNodeUnpublishVolumeRequest(req); err != nil {
return nil, err return nil, err
} }
// considering kubelet make sure node operations like unpublish/unstage...etc can not be called
volID := req.GetVolumeId() // at same time, an explicit locking at time of nodeunpublish is not required.
targetPath := req.GetTargetPath() targetPath := req.GetTargetPath()
if acquired := ns.VolumeLocks.TryAcquire(volID); !acquired {
util.ErrorLog(ctx, util.VolumeOperationAlreadyExistsFmt, volID)
return nil, status.Errorf(codes.Aborted, util.VolumeOperationAlreadyExistsFmt, volID)
}
defer ns.VolumeLocks.Release(volID)
isMnt, err := util.IsMountPoint(targetPath) isMnt, err := util.IsMountPoint(targetPath)
if err != nil { if err != nil {
if os.IsNotExist(err) { if os.IsNotExist(err) {