| VFS_PAGE_SIZE = n0 + (ino2 + ino0) % VFS_PAGE_SIZE, files[m] = mkfile(m3, md0, m4, content), err = err0, err1 = ESUCCESS, m ∈ files, ino2 + ino0 ≤ ino1, ⌊err0⌋ ∨ err0 = ESUCCESS ⊦ [skip] (err = ESUCCESS ∨ ⌊err⌋ ), err = ESUCCESS, min(ino1 - ino2 + ino0, n0) = 0, (ino2 + ino0) / VFS_PAGE_SIZE ∈ content |