Date: Tue, 25 Mar 2008 21:29:35 +0300 From: "Alexander V. Chernikov" <melifaro@ipfw.ru> To: freebsd-fs@freebsd.org Cc: freebsd-current@FreeBSD.org Subject: unionfs status Message-ID: <47E9448F.1010304@ipfw.ru>
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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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