On Wed, 2005-07-06 at 15:51 -0400, Hubert Chan wrote: > On Wed, 06 Jul 2005 12:52:23 -0600, Jonathan Briggs <[EMAIL PROTECTED]> said: [snip] > > It still has the performance and locking problem of having to update > > every child file when moving a directory tree to a new parent. On the > > other hand, maybe the benefit is worth the cost. > > Every node should store the inode number(s) for its parent(s). Not the > path name. So you don't need to do any updates, since when you move a > tree, inode numbers don't change.
You do need the updates if you change what inode is the parent. /a/b/c, /a/b/d, /a/b/e, /b mv /a/b /b Now you have to change the stored grand-parent inodes for /a/b/c, /a/b/d and /a/b/e so that they reference /b/b instead of /a/b. -- Jonathan Briggs <[EMAIL PROTECTED]> eSoft, Inc.
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