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cephfs: fix omap deletion in DeleteSnapshot

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the omap is stored with the requested
snapshot name not with the subvolume
snapshotname. This fix uses the correct
snapshot request name to cleanup the omap
once the subvolume snapshot is deleted.

fixes: #2832

Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>
(cherry picked from commit 294355590422f280953991d6a55553ce1a3db15c)
This commit is contained in:
Madhu Rajanna 2022-02-01 11:13:25 +05:30 committed by mergify[bot]
parent bb94d537b0
commit 3338a1013b
1 changed files with 5 additions and 5 deletions
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10
internal/cephfs/controllerserver.go
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@ -779,10 +779,10 @@ func (cs *ControllerServer) DeleteSnapshot(
// success as deletion is complete
return &csi.DeleteSnapshotResponse{}, nil
case errors.Is(err, cerrors.ErrSnapNotFound):
err = core.UndoSnapReservation(ctx, volOpt, *sid, sid.FsSnapshotName, cr)
err = core.UndoSnapReservation(ctx, volOpt, *sid, sid.RequestName, cr)
if err != nil {
log.ErrorLog(ctx, "failed to remove reservation for snapname (%s) with backing snap (%s) (%s)",
sid.FsSubvolName, sid.FsSnapshotName, err)
sid.RequestName, sid.FsSnapshotName, err)
return nil, status.Error(codes.Internal, err.Error())
}
@ -792,10 +792,10 @@ func (cs *ControllerServer) DeleteSnapshot(
// if the error is ErrVolumeNotFound, the subvolume is already deleted
// from backend, Hence undo the omap entries and return success
log.ErrorLog(ctx, "Volume not present")
err = core.UndoSnapReservation(ctx, volOpt, *sid, sid.FsSnapshotName, cr)
err = core.UndoSnapReservation(ctx, volOpt, *sid, sid.RequestName, cr)
if err != nil {
log.ErrorLog(ctx, "failed to remove reservation for snapname (%s) with backing snap (%s) (%s)",
sid.FsSubvolName, sid.FsSnapshotName, err)
sid.RequestName, sid.FsSnapshotName, err)
return nil, status.Error(codes.Internal, err.Error())
}
@ -829,7 +829,7 @@ func (cs *ControllerServer) DeleteSnapshot(
if err != nil {
return nil, status.Error(codes.Internal, err.Error())
}
err = core.UndoSnapReservation(ctx, volOpt, *sid, sid.FsSnapshotName, cr)
err = core.UndoSnapReservation(ctx, volOpt, *sid, sid.RequestName, cr)
if err != nil {
log.ErrorLog(ctx, "failed to remove reservation for snapname (%s) with backing snap (%s) (%s)",
sid.RequestName, sid.FsSnapshotName, err)