| apebs0[n] = mkpeb(aehdr0, avhdr, buf, m1, false), wlar[n] = wl-entry(m0, stat0), apebs1 = apebs0[n, mkpeb(aehdr, empty, mkempbuf(LEB_SIZE), 0, false)], err = err0, vtblpnum = n, vtblpnum0 = 1, wlar0 = wlar[n, wl-entry(m0 + 1, stat0)], n < # apebs0, n < # wlar, id○(wlar, wlar1, n), vtblpnum1 ≤ UBI_ERASE_RETRIES + 1, ⌊err0⌋ , ∃ stat. wlar1 = wlar[n, wl-entry(wlar[n].ec + vtblpnum1, stat)] ⊦ [if err1 = ESUCCESS then wlar1[vtblpnum] := wl-entry(wlar1[vtblpnum].ec, free) else {aubi_io_markbad#(vtblpnum; apebs; err1); if err1 = ESUCCESS then wlar1[vtblpnum] := wl-entry(wlar1[vtblpnum].ec, erroneous) else debug#("ubi: marking PEB " + vtblpnum.toString + " as bad failed")}] ∃ m, stat. m ≠ 0 ∧ m ≤ UBI_ERASE_RETRIES + 1 ∧ wlar1 = wlar[n, wl-entry(m0 + m, stat)], vtblpnum1 = 0, aehdr.valid?, err1 ≠ ESUCCESS ∧ vtblpnum1 ≤ UBI_ERASE_RETRIES |
wlar[n] = wl-entry(m0, stat0), apebs0[n] = mkpeb(aehdr0, avhdr, buf, m1, false), apebs1 = apebs0[n, mkpeb(aehdr, empty, mkempbuf(LEB_SIZE), 0, false)], err = err0, err1 = ESUCCESS, vtblpnum = n, vtblpnum0 = 1, wlar0 = wlar[n, wl-entry(m0 + 1, stat0)], n < # wlar, n < # apebs0, id○(wlar, wlar1, n), vtblpnum1 ≤ UBI_ERASE_RETRIES + 1, ⌊err0⌋ , ∃ stat. wlar1 = wlar[n, wl-entry(wlar[n].ec + vtblpnum1, stat)] ⊦ [wlar1[vtblpnum] := wl-entry(wlar1[vtblpnum].ec, free)] ∃ m, stat. m ≠ 0 ∧ m ≤ UBI_ERASE_RETRIES + 1 ∧ wlar1 = wlar[n, wl-entry(m0 + m, stat)], vtblpnum1 = 0, aehdr.valid?, err1 ≠ ESUCCESS ∧ vtblpnum1 ≤ UBI_ERASE_RETRIES
wlar[n] = wl-entry(m0, stat0), apebs0[n] = mkpeb(aehdr0, avhdr, buf, m1, false), apebs1 = apebs0[n, mkpeb(aehdr, empty, mkempbuf(LEB_SIZE), 0, false)], err = err0, vtblpnum = n, vtblpnum0 = 1, wlar0 = wlar[n, wl-entry(m0 + 1, stat0)], n < # wlar, n < # apebs0, id○(wlar, wlar1, n), vtblpnum1 ≤ UBI_ERASE_RETRIES + 1, ⌊err0⌋ , ∃ stat. wlar1 = wlar[n, wl-entry(wlar[n].ec + vtblpnum1, stat)] ⊦ [aubi_io_markbad#(vtblpnum; apebs; err1); if err1 = ESUCCESS then wlar1[vtblpnum] := wl-entry(wlar1[vtblpnum].ec, erroneous) else debug#("ubi: marking PEB " + vtblpnum.toString + " as bad failed")] ∃ m, stat. m ≠ 0 ∧ m ≤ UBI_ERASE_RETRIES + 1 ∧ wlar1 = wlar[n, wl-entry(m0 + m, stat)], err1 = ESUCCESS, vtblpnum1 = 0, aehdr.valid?, err1 ≠ ESUCCESS ∧ vtblpnum1 ≤ UBI_ERASE_RETRIES