| m < # avol, ebm-vol-inv(avol), is-aligned(n, EB_PAGE_SIZE), n ≤ # buf, n ≤ LEB_SIZE, ⌊err0⌋ ∨ err0 = ESUCCESS ⊦ ⟪if err0 = ESUCCESS then avol[m] := mapped(subarray(buf, 0, n))⟫ ebm-vol-inv(avol) |
err0 = ESUCCESS, m < # avol, ebm-vol-inv(avol), is-aligned(n, EB_PAGE_SIZE), n ≤ LEB_SIZE, n ≤ # buf, ⌊err0⌋ ∨ err0 = ESUCCESS ⊦ ⟪avol[m] := mapped(subarray(buf, 0, n))⟫ ebm-vol-inv(avol)
m < # avol, ebm-vol-inv(avol), is-aligned(n, EB_PAGE_SIZE), n ≤ LEB_SIZE, n ≤ # buf, ⌊err0⌋ ∨ err0 = ESUCCESS ⊦ ⟪skip⟫ ebm-vol-inv(avol), err0 = ESUCCESS