| dirs[ino] = mkdir(m4, md3, # links(ino, dirs), m6, entries0), dirs[m] = mkdir(m0, md4, # links(m, dirs), m7, entries2), files[entries1[str]] = mkfile(m1, md5, # links(entries1[str], dirs), content), entries0[str] = entries1[str], dirs[ino0] = mkdir(m2, md1, # links(ino0, dirs), m8, entries), entries[str] = entries1[str], dirs[ino1] = mkdir(m5, md2, # links(ino1, dirs), m10, entries1), c_inode = mkinode(entries1[str], md0, false, # links(entries1[str], dirs), 0, m3), new_dent = negdentry(str0), old_dent = mkdentry(str, entries0[str]), p_ino = p_inode.ino, p_inode = mkinode(m, md, true, # links(m, dirs), m7, m0), afs-cons(dirs, files), dcache-cons(dcache, dirs, files), icache-cons(icache, dirs, files), pcache-cons(pcache, dirs, files), pre-link(p_inode, c_inode, old_dent, new_dent, dirs, files), synced(dirs, icache, pcache), entries1[str] ∈ files, m ∈ dirs, str ∈ entries0, ino ∈ dirs, ino0 ∈ dirs, str ∈ entries, ino1 ∈ dirs, str ∈ entries1, asynced1 → synced(files, icache, pcache), links(m, dirs) ≠ ∅ ∨ m = ROOT_INO, links(ino, dirs) ≠ ∅ ∨ ino = ROOT_INO, links(ino0, dirs) ≠ ∅ ∨ ino0 = ROOT_INO, links(ino1, dirs) ≠ ∅ ∨ ino1 = ROOT_INO ⊦ [dirs[p_ino].entries[new_dent.name] := old_dent.ino; dirs[p_ino].size := dirs[p_ino].size + 1; let ino = old_dent.ino in afs_inc_nlink#(ino; dirs, files); new_dent := mkdentry(new_dent.name, old_dent.ino); 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(old_dent.ino, dirs, files); err := ESUCCESS; asynced := ?] ( afs-cons(dirs, files) → ⟪if err = ESUCCESS then let asynced = false in {icache_set#(p_inode, asynced; err, icache); icache_set#(c_inode, asynced; err, icache); dcache_set#(p_inode.ino, new_dent.name, new_dent; err, dcache)}⟫ ( icache-cons(icache, dirs, files) ∧ dcache-cons(dcache, dirs, files) ∧ pcache-cons(pcache, dirs, files) ∧ synced(dirs, icache, pcache) ∧ (asynced1 → synced(files, icache, pcache)))), str0 ∈ entries2 |
dirs[ino1] = mkdir(m5, md2, # links(ino1, dirs), m10, entries1), entries[str] = entries1[str], dirs[ino0] = mkdir(m2, md1, # links(ino0, dirs), m8, entries), entries0[str] = entries1[str], files[entries1[str]] = mkfile(m1, md5, # links(entries1[str], dirs), content), dirs[m] = mkdir(m0, md4, # links(m, dirs), m7, entries2), dirs[ino] = mkdir(m4, md3, # links(ino, dirs), m6, entries0), c_inode = mkinode(entries1[str], md0, false, # links(entries1[str], dirs), 0, m3), new_dent = negdentry(str0), old_dent = mkdentry(str, entries0[str]), p_ino = p_inode.ino, p_inode = mkinode(m, md, true, # links(m, dirs), m7, m0), old_dent.dentry?, afs-cons(dirs, files), dcache-cons(dcache, dirs, files), icache-cons(icache, dirs, files), pcache-cons(pcache, dirs, files), pre-link(p_inode, c_inode, old_dent, new_dent, dirs, files), synced(dirs, icache, pcache), str ∈ entries1, ino1 ∈ dirs, str ∈ entries, ino0 ∈ dirs, ino ∈ dirs, str ∈ entries0, m ∈ dirs, entries1[str] ∈ files, asynced1 → synced(files, icache, pcache), links(ino1, dirs) ≠ ∅ ∨ ino1 = ROOT_INO, links(ino0, dirs) ≠ ∅ ∨ ino0 = ROOT_INO, links(ino, dirs) ≠ ∅ ∨ ino = ROOT_INO, links(m, dirs) ≠ ∅ ∨ m = ROOT_INO ⊦ [dirs := dirs[p_ino, dirs[p_ino].entries:= dirs[p_ino].entries[new_dent.name, old_dent.ino]] [p_ino, dirs[p_ino, dirs[p_ino].entries:= dirs[p_ino].entries[new_dent.name, old_dent.ino]][p_ino] .size:= (dirs[p_ino, dirs[p_ino].entries:= dirs[p_ino].entries[new_dent.name, old_dent.ino]][p_ino].size + 1) ]; let ino = old_dent.ino in afs_inc_nlink#(ino; dirs, files); new_dent := mkdentry(new_dent.name, old_dent.ino); 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(old_dent.ino, dirs, files); err := ESUCCESS; asynced := ?] ( afs-cons(dirs, files) → ⟪if err = ESUCCESS then let asynced = false in {icache_set#(p_inode, asynced; err, icache); icache_set#(c_inode, asynced; err, icache); dcache_set#(p_inode.ino, new_dent.name, new_dent; err, dcache)}⟫ ( icache-cons(icache, dirs, files) ∧ dcache-cons(dcache, dirs, files) ∧ pcache-cons(pcache, dirs, files) ∧ synced(dirs, icache, pcache) ∧ (asynced1 → synced(files, icache, pcache)))), str0 ∈ entries2