[prev] 47 [next]

File Descriptor Pool (cont)

Virtual file descriptors (Vfd)
  • physically stored in dynamically-allocated array

    [Diagram:Pics/storage/vfd-cache1.png]

  • also arranged into list by recency-of-use

    [Diagram:Pics/storage/vfd-cache2.png]

VfdCache[0] holds list head/tail pointers.