From: Christoph Hellwig <hch@infradead.org>
To: Miklos Szeredi <mszeredi@inf.bme.hu>
Cc: Andrew Morton <akpm@osdl.org>,
viro@parcelfarce.linux.theplanet.co.uk,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] fmount system call
Date: Thu, 22 Apr 2004 12:45:03 +0100 [thread overview]
Message-ID: <20040422124503.A20320@infradead.org> (raw)
In-Reply-To: <200404221054.i3MAsOJ06500@kempelen.iit.bme.hu>; from mszeredi@inf.bme.hu on Thu, Apr 22, 2004 at 12:54:24PM +0200
On Thu, Apr 22, 2004 at 12:54:24PM +0200, Miklos Szeredi wrote:
> This patch adds a new fmount() system call, which is exactly the same
> as mount(), except the second parameter (mount target) is a file
> descriptor instead of a path.
>
> The main advantage is that caller can check permissions on target
> without rename races. This can be done without fmount(), by doing
> chdir() + mount("."), but this only works for directories and uses the
> CWD which can be slightly tricky to restore.
While I like the idea of fmount I think we should use the chance to untangle
the mess the other mount paramters are.
next prev parent reply other threads:[~2004-04-22 11:45 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-04-22 10:54 [PATCH] fmount system call Miklos Szeredi
2004-04-22 11:45 ` Christoph Hellwig [this message]
2004-04-22 11:59 ` Miklos Szeredi
2004-04-23 12:10 ` Christoph Hellwig
2004-04-23 13:35 ` Miklos Szeredi
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