To: mtk.manpages@googlemail.com
CC: miklos@szeredi.hu, viro@zeniv.linux.org.uk, linux-kernel@vger.kernel.org,
       linux-fsdevel@vger.kernel.org, hch@infradead.org,
       akpm@linux-foundation.org, drepper@redhat.com, mtk.manpages@gmail.com
In-reply-to: <cfd18e0f0807010709veab05adg2c6566a79b7baabb@mail.gmail.com>
	(mtk.manpages@googlemail.com)
Subject: Re: [patch 1/4] vfs: utimes: move owner check into inode_change_ok()
References: <20080701130125.529844715@szeredi.hu>
	 <20080701130150.978939061@szeredi.hu> <cfd18e0f0807010709veab05adg2c6566a79b7baabb@mail.gmail.com>
Message-Id: <E1KDglP-0005Rx-Fh@pomaz-ex.szeredi.hu>
From: Miklos Szeredi <miklos@szeredi.hu>
Date: Tue, 01 Jul 2008 16:23:23 +0200
Sender: linux-kernel-owner@vger.kernel.org
Content-Length: 1212
Lines: 30

Hi Michael,

On Tue, 1 Jul 2008, Michael Kerrisk wrote:
> On Tue, Jul 1, 2008 at 3:01 PM, Miklos Szeredi <miklos@szeredi.hu> wrote:
> > From: Miklos Szeredi <mszeredi@suse.cz>
> >
> > Add a new ia_valid flag: ATTR_TIMES_SET, to handle the
> > UTIMES_OMIT/UTIMES_NOW and UTIMES_NOW/UTIMES_OMIT cases.  In these
> > cases neither ATTR_MTIME_SET nor ATTR_ATIME_SET is in the flags, yet
> > the POSIX draft specifies that permission checking is performed the
> > same way as if one or both of the times was explicitly set to a
> > timestamp.
> >
> > See the path "vfs: utimensat(): fix error checking for
> > {UTIME_NOW,UTIME_OMIT} case" by Michael Kerrisk for the patch
> > introducing this behavior.
> >
> > This is a cleanup, as well as allowing filesystems (NFS/fuse/...) to
> > perform their own permission checking instead of the default.
> 
> What kernel version/tree is this patch against?

Against latest git.  2.6.26-rc8-git2 seems to be recent enough.

Miklos
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