| fs[ri[inodekey(m0)]] = inodenode(key1, md2, true, 1, m5, m6), fs[ri[dentrykey(m, str)]] = dentrynode(key, m0), fs[ri[inodekey(m)]] = inodenode(key0, md1, true, m1, m2, m3), abs-children(m0, fs, ri) = ∅, c_inode = p_inode1, dent = old_dent, dentrykeys(inodekey(m0), ri) = ∅, dirs = abs-dirs(fs, ri), err = err1, files = abs-files(fs, ri), links(m0, fs, ri) = ∅ ++ dentrykey(m, str), old_dent = mkdentry(str, m0), p_inode = p_inode0, p_inode0 = mkinode(m, md, true, m1, m2, m3), p_inode1 = mkinode(m0, md0, true, 1, m5, m6), fo.inodes?, orphans(fs, ri).inodes?, afs-cons(abs-dirs(fs, ri), abs-files(fs, ri)), file-node-cons(fs, ri), log-cons(log, fs), orphans-cons(fs, ri, orphans(fs, ri)), replay-cons-strong(fs, ri, orphans(fs, ri), fi, fo, log), ri-cons(ri, fs), ri-inj(fi), ri-inj(ri), ubifs-cons(fs, ri, orphans(fs, ri), fi, fo, log), dentrykey(m, str) ∈ ri, ri[dentrykey(m, str)] ∈ fs, ri[inodekey(m0)] ∈ fs, inodekey(m0) ∈ ri, ri[inodekey(m)] ∈ fs, inodekey(m) ∈ ri, 1 ≤ m3, 1 ≤ m2, ⌊err0⌋ , asynced → boolvar0, m1 ≠ 0 ∨ m = ROOT_INO, links(m, abs-dirs(fs, ri)) ≠ ∅ ∨ m = ROOT_INO ⊦ ⟨if pre-rmdir(p_inode, c_inode, dent, dirs, files) then { let p_ino = p_inode.ino in {dirs[p_ino].entries := dirs[p_ino].entries -- dent.name; dirs[p_ino].size := dirs[p_ino].size - 1; dirs[p_ino].nsubdirs := dirs[p_ino].nsubdirs - 1; let ino = dent.ino in afs_drop_nlink#(ino; dirs, files); dent := negdentry(dent.name); afs_inode_sync#(p_inode; dirs, files); afs_inode_sync#(c_inode; dirs, files); p_inode := getinode(p_inode.ino, dirs, files); c_inode := getinode(c_inode.ino, dirs, files); err := ESUCCESS} or fail#(; ; err); asynced := ?} else abort⟩ ( dirs = abs-dirs(fs, ri) ∧ files = abs-files(fs, ri) ∧ (asynced → boolvar) ∧ mkinode(m, md, true, m1, m2, m3) = p_inode ∧ mkinode(m0, md0, true, 1, m5, m6) = c_inode ∧ mkdentry(str, m0) = dent ∧ err0 = err), m = 0, m0 = ROOT_INO, m0 = 0, m2 = 0, m3 = 0, m1 = 0 ∧ m ≠ ROOT_INO |
fs[ri[inodekey(m)]] = inodenode(key0, md1, true, m1, m2, m3), fs[ri[dentrykey(m, str)]] = dentrynode(key, m0), fs[ri[inodekey(m0)]] = inodenode(key1, md2, true, 1, m5, m6), abs-children(m0, fs, ri) = ∅, c_inode = p_inode1, dent = old_dent, dentrykeys(inodekey(m0), ri) = ∅, dirs = abs-dirs(fs, ri), err = err1, files = abs-files(fs, ri), links(m0, fs, ri) = ∅ ++ dentrykey(m, str), old_dent = mkdentry(str, m0), p_inode = p_inode0, p_inode0 = mkinode(m, md, true, m1, m2, m3), p_inode1 = mkinode(m0, md0, true, 1, m5, m6), orphans(fs, ri).inodes?, fo.inodes?, afs-cons(abs-dirs(fs, ri), abs-files(fs, ri)), file-node-cons(fs, ri), log-cons(log, fs), orphans-cons(fs, ri, orphans(fs, ri)), pre-rmdir(p_inode, c_inode, dent, dirs, files), replay-cons-strong(fs, ri, orphans(fs, ri), fi, fo, log), ri-cons(ri, fs), ri-inj(ri), ri-inj(fi), ubifs-cons(fs, ri, orphans(fs, ri), fi, fo, log), inodekey(m) ∈ ri, ri[inodekey(m)] ∈ fs, inodekey(m0) ∈ ri, ri[inodekey(m0)] ∈ fs, ri[dentrykey(m, str)] ∈ fs, dentrykey(m, str) ∈ ri, 1 ≤ m2, 1 ≤ m3, ⌊err0⌋ , asynced → boolvar0, links(m, abs-dirs(fs, ri)) ≠ ∅ ∨ m = ROOT_INO, m1 ≠ 0 ∨ m = ROOT_INO ⊦ ⟨ let p_ino = p_inode.ino in {dirs[p_ino].entries := dirs[p_ino].entries -- dent.name; dirs[p_ino].size := dirs[p_ino].size - 1; dirs[p_ino].nsubdirs := dirs[p_ino].nsubdirs - 1; let ino = dent.ino in afs_drop_nlink#(ino; dirs, files); dent := negdentry(dent.name); afs_inode_sync#(p_inode; dirs, files); afs_inode_sync#(c_inode; dirs, files); p_inode := getinode(p_inode.ino, dirs, files); c_inode := getinode(c_inode.ino, dirs, files); err := ESUCCESS} or fail#(; ; err); asynced := ?⟩ ( dirs = abs-dirs(fs, ri) ∧ files = abs-files(fs, ri) ∧ (asynced → boolvar) ∧ mkinode(m, md, true, m1, m2, m3) = p_inode ∧ mkinode(m0, md0, true, 1, m5, m6) = c_inode ∧ mkdentry(str, m0) = dent ∧ err0 = err), m = 0, m0 = 0, m0 = ROOT_INO, m2 = 0, m3 = 0, m1 = 0 ∧ m ≠ ROOT_INO
fs[ri[inodekey(m)]] = inodenode(key0, md1, true, m1, m2, m3), fs[ri[dentrykey(m, str)]] = dentrynode(key, m0), fs[ri[inodekey(m0)]] = inodenode(key1, md2, true, 1, m5, m6), abs-children(m0, fs, ri) = ∅, c_inode = p_inode1, dent = old_dent, dentrykeys(inodekey(m0), ri) = ∅, dirs = abs-dirs(fs, ri), err = err1, files = abs-files(fs, ri), links(m0, fs, ri) = ∅ ++ dentrykey(m, str), old_dent = mkdentry(str, m0), p_inode = p_inode0, p_inode0 = mkinode(m, md, true, m1, m2, m3), p_inode1 = mkinode(m0, md0, true, 1, m5, m6), orphans(fs, ri).inodes?, fo.inodes?, afs-cons(abs-dirs(fs, ri), abs-files(fs, ri)), file-node-cons(fs, ri), log-cons(log, fs), orphans-cons(fs, ri, orphans(fs, ri)), replay-cons-strong(fs, ri, orphans(fs, ri), fi, fo, log), ri-cons(ri, fs), ri-inj(ri), ri-inj(fi), ubifs-cons(fs, ri, orphans(fs, ri), fi, fo, log), inodekey(m) ∈ ri, ri[inodekey(m)] ∈ fs, inodekey(m0) ∈ ri, ri[inodekey(m0)] ∈ fs, ri[dentrykey(m, str)] ∈ fs, dentrykey(m, str) ∈ ri, 1 ≤ m2, 1 ≤ m3, ⌊err0⌋ , asynced → boolvar0, links(m, abs-dirs(fs, ri)) ≠ ∅ ∨ m = ROOT_INO, m1 ≠ 0 ∨ m = ROOT_INO ⊦ ⟨abort⟩ ( dirs = abs-dirs(fs, ri) ∧ files = abs-files(fs, ri) ∧ (asynced → boolvar) ∧ mkinode(m, md, true, m1, m2, m3) = p_inode ∧ mkinode(m0, md0, true, 1, m5, m6) = c_inode ∧ mkdentry(str, m0) = dent ∧ err0 = err), m = 0, m0 = 0, m0 = ROOT_INO, m2 = 0, m3 = 0, pre-rmdir(p_inode, c_inode, dent, dirs, files), m1 = 0 ∧ m ≠ ROOT_INO