unionfs status

[Denis Barov]

Good work, thank you!

Tue, Mar 25, 2008 at 21:29 +0300 Alexander V. Chernikov:
> Hello people!
> 
> 
> At this moment unionfs has got at least following problems:
> 1) File systems cannot mount onto upper/lower unionfs layer (partially described in kern/117829)
> 2) There are problems with multithreaded programs accessing(writing) files on unionfs (kern/109950)
> 3) As well there are problems with accessing unix sockets created on upper/lower unionfs layers (kern/118346)
> 4) Doing mv filename same-filename causes kernel to panic on 6.X (and printing warning about VOP_RENAME in 7+)
> 5) Making 'loops' when mounting unionfs causes kernel panic (kern/121385)
> 
> I have made patches solving first 4 problems
> These patches are available at http://ipfw.ru/patches/
> unionfs2.diff fixes fs mounting onto upper layer, unionfs_lmount.diff fixes lower
> unionfs_threads.diff and unionfs_unix.diff fixes cases 2) and 3)
> unionfs_rename.diff fixes case with renaming
> 
> Can anybody comment/review ?
> 
> -- 
> Alexander V. Chernikov
> MELI-RIPE
> 
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-- 
Cheers
Denis Barov