| dirs[ino1] = mkdir(m, md, # links(ino1, dirs), m1, entries), files[entries[str]] = mkfile(m0, md0, m2, content), dent = mkdentry(str, entries[str]), err = ESUCCESS, inode = mkinode(ino1, md, true, # links(ino1, dirs), m1, m), p_inode = mkinode(entries[str], md0, false, m2, 0, m0), dom of < ino0, afs-cons(dirs, files), ispath(q, ROOT_INO, ino1, dirs, files), of-cons(of, dirs, files), pw(user, md), px(user, md), px-parent(user, q, ROOT_INO, dirs, files), str ∈ entries, entries[str] ∈ files, ino1 ∈ dirs, links(ino1, dirs) ≠ ∅ ∨ ino1 = ROOT_INO ⊦ ⟪afs_unlink#(; inode, p_inode, dent, err, dirs, files; asynced); vfs_put_inode#(p_inode, of, asynced; err, dirs, files)⟫ (of-cons(of, dirs, files) ∧ afs-cons(dirs, files)), entries[str] ∈ dirs |
dirs[ino1] = mkdir(m, md, # links(ino1, dirs), m1, entries), files[entries[str]] = mkfile(m0, md0, # links(entries[str], dirs), content), dent = mkdentry(str, entries[str]), err = ESUCCESS, inode = mkinode(ino1, md, true, # links(ino1, dirs), m1, m), p_inode = mkinode(entries[str], md0, false, # links(entries[str], dirs), 0, m0), dom of < ino0, afs-cons(dirs, files), ispath(q, ROOT_INO, ino1, dirs, files), of-cons(of, dirs, files), pw(user, md), px(user, md), px-parent(user, q, ROOT_INO, dirs, files), str ∈ entries, entries[str] ∈ files, ino1 ∈ dirs, ¬ entries[str] ∈ dirs, links(ino1, dirs) ≠ ∅ ∨ ino1 = ROOT_INO ⊦ ⟪afs_unlink#(; inode, p_inode, dent, err, dirs, files; asynced); vfs_put_inode#(p_inode, of, asynced; err, dirs, files)⟫ (of-cons(of, dirs, files) ∧ afs-cons(dirs, files))
Used simplifier rules: afs-cons-file-nlink: ⊦ afs-cons(dirs, files) ∧ ino ∈ files ∧ files[ino] = mkfile(m, md, n, content) → # links(ino, dirs) = n; (forward) from specification afs-base