From: Trond Myklebust <trond.myklebust@fys.uio.no>
To: Shaya Potter <spotter@cs.columbia.edu>
Cc: Pavel Machek <pavel@suse.cz>, Josef Sipek <jsipek@cs.sunysb.edu>,
linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org,
hch@infradead.org, akpm@osdl.org, viro@ftp.linux.org.uk
Subject: Re: [PATCH 00/22][RFC] Unionfs: Stackable Namespace Unification Filesystem
Date: Mon, 04 Sep 2006 23:08:58 -0400 [thread overview]
Message-ID: <1157425739.5510.40.camel@localhost> (raw)
In-Reply-To: <1157376506.4398.15.camel@localhost.localdomain>
On Mon, 2006-09-04 at 09:28 -0400, Shaya Potter wrote:
> On Sun, 2006-09-03 at 11:05 +0000, Pavel Machek wrote:
> > Hi!
> >
> > > - Modifying a Unionfs branch directly, while the union is mounted, is
> > > currently unsupported. Any such change may cause Unionfs to oops and it
> > > can even result in data loss!
> >
> > I'm not sure if that is acceptable. Even root user should be unable to
> > oops the kernel using 'normal' actions.
>
> As I said in the other case. imagine ext2/3 on a a san file system
> where 2 systems try to make use of it. Will they not have issues?
Yes, but you are deliberately ignoring that NAS systems like CIFS or NFS
don't, and neither do clustered filesystems. Users of those systems
don't expect them to have issues with that sort of scenario.
next prev parent reply other threads:[~2006-09-05 3:09 UTC|newest]
Thread overview: 75+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-09-01 1:35 [PATCH 00/22][RFC] Unionfs: Stackable Namespace Unification Filesystem Josef Sipek
2006-09-01 1:37 ` [PATCH 01/22][RFC] Unionfs: Documentation Josef Sipek
2006-09-01 7:42 ` Jan Engelhardt
2006-09-01 1:39 ` [PATCH 02/22][RFC] Unionfs: Kconfig and Makefile Josef Sipek
2006-09-01 12:44 ` Jan Engelhardt
2006-09-01 15:32 ` Randy.Dunlap
2006-09-01 1:40 ` [PATCH 03/22][RFC] Unionfs: Branch management functionality Josef Sipek
2006-09-04 11:20 ` Pekka Enberg
2006-09-01 1:41 ` [PATCH 04/22][RFC] Unionfs: Common file operations Josef Sipek
2006-09-01 12:50 ` Jan Engelhardt
2006-09-01 22:20 ` Trond Myklebust
2006-09-01 22:36 ` Shaya Potter
2006-09-01 22:57 ` Trond Myklebust
2006-09-03 1:03 ` Shaya Potter
2006-09-02 2:47 ` Josef Sipek
2006-09-03 4:10 ` Trond Myklebust
2006-09-01 1:42 ` [PATCH 05/22][RFC] Unionfs: Copyup Functionality Josef Sipek
2006-09-04 6:59 ` Jan Engelhardt
2006-09-04 9:25 ` Josef Sipek
2006-09-04 10:41 ` Jan Engelhardt
2006-09-16 22:13 ` Josef Sipek
2006-09-16 22:26 ` Jan Engelhardt
2006-09-17 1:28 ` Shaya Potter
2006-09-01 1:44 ` [PATCH 06/22][RFC] Unionfs: Dentry operations Josef Sipek
2006-09-04 7:04 ` Jan Engelhardt
2006-09-01 1:45 ` [PATCH 07/22][RFC] Unionfs: Directory file operations Josef Sipek
2006-09-04 7:07 ` Jan Engelhardt
2006-09-01 1:47 ` [PATCH 08/22][RFC] Unionfs: Directory manipulation helper functions Josef Sipek
2006-09-04 7:09 ` Jan Engelhardt
2006-09-04 7:23 ` Jeremy Fitzhardinge
2006-09-01 1:48 ` [PATCH 09/22][RFC] Unionfs: File operations Josef Sipek
2006-09-01 3:02 ` Ian Kent
2006-09-04 7:11 ` Jan Engelhardt
2006-09-01 1:49 ` [PATCH 10/22][RFC] Unionfs: Inode operations Josef Sipek
2006-09-04 7:18 ` Jan Engelhardt
2006-09-01 1:50 ` [PATCH 11/22][RFC] Unionfs: Lookup helper functions Josef Sipek
2006-09-04 7:24 ` Jan Engelhardt
2006-09-01 1:51 ` [PATCH 12/22][RFC] Unionfs: Main module functions Josef Sipek
2006-09-04 7:28 ` Jan Engelhardt
2006-09-01 1:53 ` [PATCH 00/22][RFC] Unionfs: Stackable Namespace Unification Filesystem Stephen Rothwell
2006-09-01 17:23 ` Josef Sipek
2006-09-03 17:42 ` Jan Engelhardt
2006-09-03 19:44 ` Josef Sipek
2006-09-04 11:01 ` Pekka Enberg
2006-09-04 23:34 ` Josef Sipek
2006-09-01 1:53 ` [PATCH 13/22][RFC] Unionfs: Readdir state Josef Sipek
2006-09-04 7:30 ` Jan Engelhardt
2006-09-01 1:54 ` [PATCH 14/22][RFC] Unionfs: Rename Josef Sipek
2006-09-01 1:55 ` [PATCH 15/22][RFC] Unionfs: Privileged operations workqueue Josef Sipek
2006-09-04 7:37 ` Jan Engelhardt
2006-09-01 1:56 ` [PATCH 16/22][RFC] Unionfs: Handling of stale inodes Josef Sipek
2006-09-04 7:39 ` Jan Engelhardt
2006-09-01 1:58 ` [PATCH 17/22][RFC] Unionfs: Miscellaneous helper functions Josef Sipek
2006-09-01 1:58 ` [PATCH 18/22][RFC] Unionfs: Superblock operations Josef Sipek
2006-09-04 7:46 ` Jan Engelhardt
2006-09-04 8:24 ` Andreas Schwab
2006-09-01 1:59 ` [PATCH 19/22][RFC] Unionfs: Helper macros/inlines Josef Sipek
2006-09-04 7:49 ` Jan Engelhardt
2006-09-01 2:01 ` [PATCH 20/22][RFC] Unionfs: Internal include file Josef Sipek
2006-09-04 7:54 ` Jan Engelhardt
2006-09-01 2:01 ` [PATCH 21/22][RFC] Unionfs: Unlink Josef Sipek
2006-09-01 2:02 ` [PATCH 22/22][RFC] Unionfs: Include file Josef Sipek
2006-09-04 7:55 ` Jan Engelhardt
2006-09-03 11:05 ` [PATCH 00/22][RFC] Unionfs: Stackable Namespace Unification Filesystem Pavel Machek
2006-09-04 12:57 ` Jörn Engel
2006-09-05 4:46 ` Al Boldi
2006-09-05 7:01 ` Jörn Engel
2006-09-04 13:28 ` Shaya Potter
2006-09-04 20:33 ` Pavel Machek
2006-09-04 21:43 ` Shaya Potter
2006-09-04 23:31 ` Josef Sipek
2006-09-05 6:02 ` Jan Engelhardt
2006-09-05 13:02 ` Shaya Potter
2006-09-05 3:08 ` Trond Myklebust [this message]
2006-09-05 3:28 ` Shaya Potter
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