linux-kernel - Re: [RFC PATCH 4/4] Directory listing support for union mounted directories.

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20070620170221.GA13237@infradead.org>
Date:	Wed, 20 Jun 2007 18:02:21 +0100
From:	Christoph Hellwig <hch@...radead.org>
To:	Trond Myklebust <trond.myklebust@....uio.no>
Cc:	Christoph Hellwig <hch@...radead.org>,
	Bharata B Rao <bharata@...ux.vnet.ibm.com>,
	linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
	Jan Blunck <j.blunck@...harburg.de>
Subject: Re: [RFC PATCH 4/4] Directory listing support for union mounted directories.

On Wed, Jun 20, 2007 at 10:22:28AM -0400, Trond Myklebust wrote:
> No it shouldn't. The struct file contains other stateful information
> from the open() call (such as authentication info) that needs to be
> passed into readdir.

Which is exactly that problem this tries to solve.  Once you have
union mounts you'll have a single open file descriptor for multiple
actual directories.   Beause of that you can't simply attach to the
state to the struct file but have to keep it in a different way.

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/