[lkml]   [2005]   [Jul]   [6]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: reiser4 plugins
On Wed, 2005-07-06 at 15:51 -0400, Hubert Chan wrote:
> On Wed, 06 Jul 2005 12:52:23 -0600, Jonathan Briggs <> said:
> > 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 <>
eSoft, Inc.
[unhandled content-type:application/pgp-signature]
 \ /
  Last update: 2005-07-06 22:47    [W:0.356 / U:0.856 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site