| # buf = VFS_PAGE_SIZE, asynced ↔ asynced1, ESUCCESS = ESUCCESS, err = ESUCCESS, inode = mkinode(m, md, boolvar, m0, m1, m2), afs-cons(dirs, files), dcache-cons(dcache, dirs, files), icache-cons(icache, dirs, files), pcache-cons(pcache, dirs, files), synced(dirs, icache, pcache), m ∈ files, pageno ∈ files[inode.ino].content, asynced2 → synced(files, icache, pcache) ⊦ datakey(m, pageno) ∈ pcache, pageno ∈ files[inode.ino].content |