From: Jamie Lokier <jamie@shareable.org>
To: Duane Griffin <duaneg@dghda.com>
Cc: Pavel Machek <pavel@ucw.cz>, Miklos Szeredi <miklos@szeredi.hu>,
Jeff Layton <jlayton@redhat.com>,
ebiederm@xmission.com, linux-fsdevel@vger.kernel.org,
linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
Subject: Re: [PATCH 0/3] vfs: plug some holes involving LAST_BIND symlinks and file bind mounts (try #5)
Date: Mon, 30 Nov 2009 19:00:30 +0000 [thread overview]
Message-ID: <20091130190030.GA5560@shareable.org> (raw)
In-Reply-To: <e9e943910911240513g31e633ffg2e878a874f1110ba@mail.gmail.com>
Duane Griffin wrote:
> 2009/11/24 Pavel Machek <pavel@ucw.cz>:
> > On Tue 2009-11-24 12:53:09, Miklos Szeredi wrote:
> >> I still believe leaving the current semantics and documenting them is
> >> the best option.
> >
> > I believe that current semantics is ugly enough that 'documenting' it
> > is not enough... and people want to port from other systems, too, not
> > expecting nasty surprises like this...
>
> Solaris 10 works the same way as Linux does now, so I don't think the
> porting argument gets you anywhere.
It certainly must be similar, as gnulib uses the same technique on
both Solaris and Linux.
I don't have a Solaris to try this on. Can you use /proc to re-open
with O_RDWR a file descriptor previously opened with O_RDONLY on
Solaris 10, assuming the underlying inode allows writing?
-- Jamie
next prev parent reply other threads:[~2009-11-30 19:00 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-11-23 17:41 [PATCH 0/3] vfs: plug some holes involving LAST_BIND symlinks and file bind mounts (try #5) Jeff Layton
2009-11-23 17:41 ` [PATCH 1/3] vfs: force reval of target when following LAST_BIND symlinks Jeff Layton
2009-11-23 17:41 ` [PATCH 2/3] vfs: force reval on dentry of bind mounted files on FS_REVAL_DOT filesystems Jeff Layton
2009-11-23 17:41 ` [PATCH 3/3] vfs: check path permissions on target of LAST_BIND symlinks Jeff Layton
2009-11-23 22:05 ` [PATCH 0/3] vfs: plug some holes involving LAST_BIND symlinks and file bind mounts (try #5) Eric W. Biederman
2009-11-23 22:36 ` Jeff Layton
2009-11-23 22:49 ` Jamie Lokier
2009-11-23 23:15 ` Jeff Layton
2009-11-23 23:35 ` Eric W. Biederman
2009-11-24 0:34 ` Jeff Layton
2009-11-24 1:20 ` Jamie Lokier
2009-11-24 11:26 ` Jeff Layton
2009-11-24 11:53 ` Miklos Szeredi
2009-11-24 12:09 ` Pavel Machek
2009-11-24 12:59 ` Miklos Szeredi
2009-11-30 12:28 ` Pavel Machek
2009-11-30 19:21 ` Eric W. Biederman
2009-11-24 13:13 ` Duane Griffin
2009-11-24 13:13 ` Duane Griffin
2009-11-30 19:00 ` Jamie Lokier [this message]
2009-12-01 8:56 ` Duane Griffin
2009-12-01 8:56 ` Duane Griffin
2009-12-16 12:31 ` Al Viro
2009-12-20 19:59 ` Pavel Machek
2009-12-20 21:04 ` Al Viro
2009-12-20 21:06 ` Pavel Machek
2009-12-20 21:23 ` Al Viro
2010-01-01 15:40 ` Pavel Machek
2010-01-10 4:42 ` Al Viro
2009-12-01 13:15 ` Jeff Layton
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