linux-kernel - Re: [patch 4/8] propagate error values from clone

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Message-ID: <m1k5w5kfqz.fsf@ebiederm.dsl.xmission.com>
Date:	Sat, 21 Apr 2007 07:40:20 -0600
From:	ebiederm@...ssion.com (Eric W. Biederman)
To:	Miklos Szeredi <miklos@...redi.hu>
Cc:	akpm@...ux-foundation.org, serue@...ibm.com, viro@....linux.org.uk,
	linuxram@...ibm.com, linux-fsdevel@...r.kernel.org,
	linux-kernel@...r.kernel.org, containers@...ts.osdl.org
Subject: Re: [patch 4/8] propagate error values from clone_mnt

Miklos Szeredi <miklos@...redi.hu> writes:

> From: Miklos Szeredi <mszeredi@...e.cz>
>
> Allow clone_mnt() to return errors other than ENOMEM.  This will be
> used for returning a different error value when the number of user
> mounts goes over the limit.
>
> Fix copy_tree() to return EPERM for unbindable mounts.
>
> Don't propagate further from dup_mnt_ns() as that copy_tree() can only
> fail with -ENOMEM.

At a quick skim this looks ok.

Eric
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