Coda File System

(Illustration by Gaich Muramatsu)

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3. Vnodes

3.1 Vnode data structures

1. VnodeDiskObject (cvnode.h): RVM structure holding the following information:
   • type, mode, owner, mtime
   • inodeNumber: for a large vnode a pointer to a directory inode in RVM for a small vnode a real disk inode number of a file.
   • version vector
   • vol_index
   • rec_smolink nextvn: next vnode with the same vnodeindex
   • rec_dlist *log: pointer to resolution log
2. Vnode (cvnode.h): VM structure holding
   • hashnext, lruNext, lruPrev, hashIndex
   • vnodeNumber
   • VolumePtr
   • VnodeDiskObject *
3. VnodeClassInfoArray: global VM variable with summary information.