| # buf-opt.buf = VFS_PAGE_SIZE, VFS_PAGE_SIZE = n0 + m2 % VFS_PAGE_SIZE, pcache0[datakey(m5, m6)] = mkpentry(boolvar, buf), files0[m3] = mkfile(m1, md1, # links(m3, dirs), content0), files0[m5] = mkfile(m0, md0, m4, content), buf-opt.some?, afs-cons(dirs, files0), afs-cons (dirs, files0[m3, mkfile(m, md, # links(m3, dirs), content0[m2 / VFS_PAGE_SIZE, fill(buf-opt.buf, zero, m2 % VFS_PAGE_SIZE, n0)] upto m2)]), synced(dirs, icache, pcache0), m3 ∈ files0, datakey(m5, m6) ∈ pcache0, m2 ≤ m, asynced1 → synced(files0, icache, pcache0), ∀ key. key ∈ pcache0 → key.data?, ∀ key0. key0 ∈ pcache0 → key0.data? ∧ # pcache0[key0].page = VFS_PAGE_SIZE ∧ key0.ino ∈ files0 ∧ (¬ pcache0[key0].dirty → key0.part ∈ files0[key0.ino].content ∧ pcache0[key0].page = files0[key0.ino].content[key0.part]), m6 * VFS_PAGE_SIZE < m2 ∨ m3 ≠ m5 ⊦ m2 % VFS_PAGE_SIZE = 0, datakey(m5, m6) = datakey(m3, m2 / VFS_PAGE_SIZE), m5 = m3, # buf = VFS_PAGE_SIZE ∧ m5 ∈ files0 ∧ (¬ boolvar → m6 ∈ content ∧ buf = content[m6]) |
# buf-opt.buf = VFS_PAGE_SIZE, VFS_PAGE_SIZE = n0 + m2 % VFS_PAGE_SIZE, files0[m5] = mkfile(m0, md0, m4, content), files0[m3] = mkfile(m1, md1, # links(m3, dirs), content0), pcache0[datakey(m5, m6)] = mkpentry(boolvar, buf), buf-opt.some?, afs-cons (dirs, files0[m3, mkfile(m, md, # links(m3, dirs), content0[m2 / VFS_PAGE_SIZE, fill(buf-opt.buf, zero, m2 % VFS_PAGE_SIZE, n0)] upto m2)]), afs-cons(dirs, files0), synced(dirs, icache, pcache0), datakey(m5, m6) ∈ pcache0, m3 ∈ files0, m2 ≤ m, asynced1 → synced(files0, icache, pcache0), ∀ key0. key0 ∈ pcache0 → key0.data? ∧ # pcache0[key0].page = VFS_PAGE_SIZE ∧ key0.ino ∈ files0 ∧ (¬ pcache0[key0].dirty → key0.part ∈ files0[key0.ino].content ∧ pcache0[key0].page = files0[key0.ino].content[key0.part]), ∀ key. key ∈ pcache0 → key.data? ⊦ m2 % VFS_PAGE_SIZE = 0, datakey(m5, m6) = datakey(m3, m2 / VFS_PAGE_SIZE), m5 = m3, # buf = VFS_PAGE_SIZE ∧ m5 ∈ files0 ∧ (¬ boolvar → m6 ∈ content ∧ buf = content[m6])