319   *ksp = def->WtAWinv;  in PCDeflationGetCoarseKSP_Deflation()
410   PetscCall(KSPSolve(def->WtAWinv, w1, w2)); /*    w2 <- (W'*A*W)^{-1}*w1    */  in PCPreSolve_Deflation()
446     PetscCall(KSPSolve(def->WtAWinv, w1, w2)); /*    w2 <- (W'*A*W)^{-1}*w1    */  in PCApply_Deflation()
561   if (!def->WtAWinv) {  in PCSetUp_Deflation()
580     PetscCall(KSPCreate(comm, &def->WtAWinv));  in PCSetUp_Deflation()
581     PetscCall(KSPSetNestLevel(def->WtAWinv, pc->kspnestlevel));  in PCSetUp_Deflation()
582     PetscCall(KSPSetOperators(def->WtAWinv, def->WtAW, def->WtAW));  in PCSetUp_Deflation()
583     PetscCall(KSPGetPC(def->WtAWinv, &pcinner));  in PCSetUp_Deflation()
586       innerksp = def->WtAWinv;  in PCSetUp_Deflation()
607       PetscCall(KSPSetType(def->WtAWinv, KSPPREONLY));  in PCSetUp_Deflation()
610       if (def->prefix) PetscCall(KSPSetOptionsPrefix(def->WtAWinv, def->prefix));  in PCSetUp_Deflation()
611       PetscCall(KSPAppendOptionsPrefix(def->WtAWinv, "deflation_tel_"));  in PCSetUp_Deflation()
653   PetscCall(KSPSetFromOptions(def->WtAWinv));  in PCSetUp_Deflation()
654   PetscCall(KSPSetUp(def->WtAWinv));  in PCSetUp_Deflation()
673   PetscCall(KSPCreateVecs(def->WtAWinv, 2, &def->workcoarse, 0, NULL));  in PCSetUp_Deflation()
688   PetscCall(KSPDestroy(&def->WtAWinv));  in PCReset_Deflation()
731     PetscCall(KSPGetTotalIterations(def->WtAWinv, &its));  in PCView_Deflation()
733     PetscCall(KSPView(def->WtAWinv, viewer));  in PCView_Deflation()