From: Al Viro <viro@ZenIV.linux.org.uk>
To: Miklos Szeredi <miklos@szeredi.hu>
Cc: akpm@linux-foundation.org, torvalds@linux-foundation.org,
dave@linux.vnet.ibm.com, ezk@cs.sunysb.edu, mhalcrow@us.ibm.com,
linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [patch 00/13] vfs: add helpers to check r/o bind mounts
Date: Thu, 24 Apr 2008 15:48:15 +0100 [thread overview]
Message-ID: <20080424144815.GI15214@ZenIV.linux.org.uk> (raw)
In-Reply-To: <E1Jp2ey-0003zd-TL@pomaz-ex.szeredi.hu>
On Thu, Apr 24, 2008 at 04:42:52PM +0200, Miklos Szeredi wrote:
> > You are right - we do have races there. Always had.
> > And nfsd_permission() is the next target for continuation of ro-bind
> > series. Assuming that we don't simply make r/w export to hold will_write
> > all along, in which case all these checks around calls of vfs_...() in
> > there simply go away - that's also an arguable option.
>
> Yes. And that _still_ doesn't make the path_*() interface wrong.
It would make it bloody useless for nfsd. With ecryptfs being a piss-poor
argument in favour of anything other than git rm, what's left? Another
stack frame in fs/namei.c syscalls?
next prev parent reply other threads:[~2008-04-24 14:48 UTC|newest]
Thread overview: 63+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-04-24 11:39 [patch 00/13] vfs: add helpers to check r/o bind mounts Miklos Szeredi
2008-04-24 11:39 ` [patch 01/13] ecryptfs: add missing lock around notify_change Miklos Szeredi
2008-04-24 16:56 ` Erez Zadok
2008-04-24 17:09 ` Miklos Szeredi
2008-04-24 11:39 ` [patch 02/13] ecryptfs: clean up (un)lock_parent Miklos Szeredi
2008-04-24 11:39 ` [patch 03/13] nfsd: clean up mnt_want_write calls Miklos Szeredi
2008-04-24 11:39 ` [patch 04/13] vfs: add path_create() and path_mknod() Miklos Szeredi
2008-04-24 11:39 ` [patch 05/13] vfs: add path_mkdir() Miklos Szeredi
2008-04-24 11:39 ` [patch 06/13] vfs: add path_rmdir() Miklos Szeredi
2008-04-24 11:39 ` [patch 07/13] vfs: add path_unlink() Miklos Szeredi
2008-04-24 11:39 ` [patch 08/13] vfs: add path_symlink() Miklos Szeredi
2008-04-24 11:39 ` [patch 09/13] vfs: add path_link() Miklos Szeredi
2008-04-24 11:40 ` [patch 10/13] vfs: add path_rename() Miklos Szeredi
2008-04-24 11:40 ` [patch 11/13] vfs: add path_setattr() Miklos Szeredi
2008-04-24 11:40 ` [patch 12/13] vfs: add path_setxattr() Miklos Szeredi
2008-04-24 11:40 ` [patch 13/13] vfs: add path_removexattr() Miklos Szeredi
2008-04-24 12:42 ` [patch 00/13] vfs: add helpers to check r/o bind mounts Al Viro
2008-04-24 13:05 ` Miklos Szeredi
2008-04-24 13:48 ` Al Viro
2008-04-24 14:00 ` Al Viro
2008-04-24 14:16 ` Miklos Szeredi
2008-04-24 14:35 ` Al Viro
2008-04-24 14:42 ` Miklos Szeredi
2008-04-24 14:48 ` Al Viro [this message]
2008-04-24 14:58 ` Miklos Szeredi
2008-04-24 15:21 ` Al Viro
2008-04-24 15:37 ` Miklos Szeredi
2008-04-24 15:59 ` Al Viro
2008-04-24 16:16 ` Miklos Szeredi
2008-04-28 10:15 ` Miklos Szeredi
2008-04-28 14:20 ` Michael Halcrow
2008-04-28 14:52 ` Miklos Szeredi
2008-04-25 7:22 ` Miklos Szeredi
2008-04-24 17:55 ` Dave Hansen
2008-04-24 18:47 ` Miklos Szeredi
2008-04-24 14:09 ` Miklos Szeredi
2008-04-24 14:28 ` Al Viro
2008-04-24 14:36 ` Miklos Szeredi
2008-04-24 14:44 ` Al Viro
2008-04-24 14:53 ` Miklos Szeredi
2008-04-24 15:12 ` Al Viro
2008-04-24 15:18 ` Miklos Szeredi
2008-04-24 15:38 ` Al Viro
2008-04-24 15:43 ` Miklos Szeredi
2008-04-24 17:29 ` Erez Zadok
2008-04-24 18:13 ` Al Viro
2008-04-24 19:40 ` Erez Zadok
2008-04-24 20:16 ` Michael Halcrow
2008-04-24 22:39 ` Erez Zadok
2008-04-24 23:33 ` Michael Halcrow
2008-04-28 21:53 ` J. Bruce Fields
2008-04-24 17:25 ` Erez Zadok
2008-04-24 17:30 ` Al Viro
2008-04-24 19:56 ` Erez Zadok
2008-04-24 17:04 ` Erez Zadok
2008-04-24 16:52 ` Erez Zadok
2008-04-24 16:58 ` Miklos Szeredi
2008-04-24 17:14 ` Erez Zadok
2008-04-24 17:23 ` Miklos Szeredi
2008-05-01 5:40 ` Dave Hansen
2008-05-01 8:08 ` Miklos Szeredi
2008-05-01 16:40 ` Dave Hansen
2008-05-01 17:04 ` Miklos Szeredi
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