| err = err0, fs = abs-files(files), n = n0, ofh = abs-of(of), root.dir?, dom of < ino, abs(root, ROOT_INO)(dirs), afs-cons(dirs, files), fids-cons(root, abs-files(files), abs-of(of)), of-cons(of, dirs, files), n0 ≤ # buf, psynced → asynced ⊦ ⟪vfs_write#(fd, buf, user; n, err, of, dirs, files, asynced)⟫ ⟨posix_write#(fd, buf, user, root; n0, err0, fs, ofh; psynced)⟩ (ofh = abs-of(of) ∧ fs = abs-files(files) ∧ abs(root, ROOT_INO)(dirs) ∧ (psynced → asynced) ∧ n = n0 ∧ err = err0) |
of-cons(of, dirs, files), afs-cons(dirs, files), dirs0 = dirs, n ≤ # buf ⊦ ⟪vfs_write#(fd, buf, user; n, err, of, dirs, files, asynced)⟫ (dirs0 = dirs)
buf0 = buf, dirs = dirs, dirs1 = dirs, err = err0, fd0 = fd, fs = abs-files(files), n = n0, ofh = abs-of(of), user0 = user, root.dir?, dom of < ino, abs(root, ROOT_INO)(dirs), afs-cons(dirs, files), fids-cons(root, abs-files(files), abs-of(of)), of-cons(of, dirs, files), n0 ≤ # buf, n ≤ # buf, psynced → asynced ⊦ [vfs_write#(fd, buf, user; n, err, of, dirs, files, asynced)] ( dirs1 = dirs → ⟨posix_write#(fd, buf, user, root; n0, err0, fs, ofh; psynced)⟩ (ofh = abs-of(of) ∧ fs = abs-files(files) ∧ abs(root, ROOT_INO)(dirs) ∧ (psynced → asynced) ∧ n = n0 ∧ err = err0))