| # links(m, dirs) = m3, files0[m] = mkfile(m2, md0, m3, content0), of[fd] = mkfile(m, mode, m0), files1[m] = mkfile(m1, md, m3, content), err0 = ESUCCESS, m2 < m0 + ino, afs-cons(dirs, files0[m, mkfile(m2, md0, m3, content0 upto m2)]), afs-cons(dirs, files0), of-cons(of, dirs, files0), m ∈ files1, fd ∈ of, m ∈ files0, n ≤ # buf0 ⊦ ⟪afs_check_commit#(dirs, files1; err0; asynced); dirs0 := dirs; if err0 = ESUCCESS then afs_write_inode#(mkinode(m, md0, false, m3, 0, m0 + ino); err0, dirs, files1; asynced); if err0 ≠ ESUCCESS then ino := (m0 ≤ m2 ⊃ m2 - m0;0), err0 := ESUCCESS; of[fd].pos := m0 + ino⟫ (dirs0 = dirs), ino = 0, n = 0, mode ≠ MODE_W ∧ mode ≠ MODE_RW, m2 % VFS_PAGE_SIZE ≠ 0 ∧ m2 / VFS_PAGE_SIZE ∈ content0 |
files1[m] = mkfile(m1, md, # links(m, dirs), content), of[fd] = mkfile(m, mode, m0), files0[m] = mkfile(m2, md0, # links(m, dirs), content0), err0 = ESUCCESS, ino ≠ 0, n ≠ 0, m2 < m0 + ino, afs-cons(dirs, files0), afs-cons(dirs, files0[m, mkfile(m2, md0, # links(m, dirs), content0 upto m2)]), of-cons(of, dirs, files0), m ∈ files0, fd ∈ of, m ∈ files1, n ≤ # buf0 ⊦ ⟪afs_check_commit#(dirs, files1; err0; asynced); dirs0 := dirs; if err0 = ESUCCESS then afs_write_inode#(mkinode(m, md0, false, # links(m, dirs), 0, m0 + ino); err0, dirs, files1; asynced); if err0 ≠ ESUCCESS then ino := (m0 ≤ m2 ⊃ m2 - m0;0), err0 := ESUCCESS; of[fd].pos := m0 + ino⟫ (dirs0 = dirs), m2 % VFS_PAGE_SIZE ≠ 0 ∧ m2 / VFS_PAGE_SIZE ∈ content0, mode ≠ MODE_W ∧ mode ≠ MODE_RW