linux-kernel - Re: [PATCH -V6 10/26] vfs: Make the inode passed to inode_change

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Message-ID: <87fwk75qhs.fsf@skywalker.in.ibm.com>
Date:	Thu, 08 Sep 2011 15:02:15 +0530
From:	"Aneesh Kumar K.V" <aneesh.kumar@...ux.vnet.ibm.com>
To:	"J. Bruce Fields" <bfields@...ldses.org>
Cc:	agruen@...nel.org, akpm@...ux-foundation.org, dhowells@...hat.com,
	linux-fsdevel@...r.kernel.org, linux-nfs@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH -V6 10/26] vfs: Make the inode passed to inode_change_ok non-const

On Wed, 7 Sep 2011 16:43:22 -0400, "J. Bruce Fields" <bfields@...ldses.org> wrote:
> On Mon, Sep 05, 2011 at 10:55:32PM +0530, Aneesh Kumar K.V wrote:
> > From: Andreas Gruenbacher <agruen@...nel.org>
> > 
> > We will need to call iop->permission and iop->get_acl from
> > inode_change_ok() for additional permission checks, and both take a
> > non-const inode.
> 
> OK, the essential difference being that richacls have a say in whether
> we can change attributes or not, which posix acls (for example) don't?
> 

yes, next patch explain the details of the check

-aneesh

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