| m < # avols[default-volid], ebm-cons(avols), is-aligned(n, EB_PAGE_SIZE), default-volid ∈ avols, n ≤ # buf, n ≤ LEB_SIZE, ⌊err0⌋ ∨ err0 = ESUCCESS ⊦ [if err0 = ESUCCESS then avols[default-volid][m] := mapped(subarray(buf, 0, n) + mkempbuf(LEB_SIZE - n), n)] (ebm-cons(avols) → default-volid ∈ avols) |
err0 = ESUCCESS, m < # avols[default-volid], ebm-cons(avols), is-aligned(n, EB_PAGE_SIZE), default-volid ∈ avols, n ≤ LEB_SIZE, n ≤ # buf, ⌊err0⌋ ∨ err0 = ESUCCESS ⊦ [avols[default-volid][m] := mapped(subarray(buf, 0, n) + mkempbuf(LEB_SIZE - n), n)] (ebm-cons(avols) → default-volid ∈ avols)
m < # avols[default-volid], ebm-cons(avols), is-aligned(n, EB_PAGE_SIZE), default-volid ∈ avols, n ≤ LEB_SIZE, n ≤ # buf, ⌊err0⌋ ∨ err0 = ESUCCESS ⊦ [skip] (ebm-cons(avols) → default-volid ∈ avols), err0 = ESUCCESS