linux-kernel - Re: [PATCH] fcntl: Add F_GETOWNER

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Message-Id: <20120605154743.53d494e6.akpm@linux-foundation.org>
Date:	Tue, 5 Jun 2012 15:47:43 -0700
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Cyrill Gorcunov <gorcunov@...nvz.org>
Cc:	"Eric W. Biederman" <ebiederm@...ssion.com>,
	LKML <linux-kernel@...r.kernel.org>,
	"Serge E. Hallyn" <serge@...lyn.com>,
	Oleg Nesterov <oleg@...hat.com>,
	Pavel Emelyanov <xemul@...allels.com>,
	Konstantin Khlebnikov <khlebnikov@...nvz.org>
Subject: Re: [PATCH] fcntl: Add F_GETOWNER_UIDS option v3

On Tue, 5 Jun 2012 12:25:12 +0400
Cyrill Gorcunov <gorcunov@...nvz.org> wrote:

> When we restore file descriptors we would like
> them to look exactly as they were at dumping time.
> 
> With help of fcntl it's almost possible, the missing
> snippet is file owners UIDs.
> 
> To be able to read their values the F_GETOWNER_UIDS
> is introduced.
> 
> This option is valid iif CONFIG_CHECKPOINT_RESTORE
> is turned on, otherwise returning -EINVAL.

um, OK.

But we still have

c-r-prctl-add-ability-to-set-new-mm_struct-exe_file-update-after-mm-num_exe_file_vmas-removal.patch
c-r-prctl-add-ability-to-set-new-mm_struct-exe_file-add-minimal-address-test-to-pr_set_mm.patch
c-r-prctl-add-ability-to-get-clear_tid_address.patch
c-r-prctl-drop-vma-flags-test-on-pr_set_mm_-stack-data-assignment.patch

floating about unmerged due to various unresolved issues.  Can we
please get all that stuff nailed down before working on new things?

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