linux-kernel - Re: [PATCH] vfs: Don't exchange filenames unconditionally.

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Message-ID: <CAELBmZDEEwp1bH9FKBouy+q86u_KLHBth=JvGy_dVLN7bEbmkQ@mail.gmail.com>
Date:	Tue, 23 Sep 2014 18:19:06 +0200
From:	Miklos Szeredi <miklos@...redi.hu>
To:	Mikhail Efremov <sem@...linux.ru>
Cc:	Mateusz Guzik <mguzik@...hat.com>,
	Mikhail Efremov <sem@...linux.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Miklos Szeredi <mszeredi@...e.cz>,
	Alexander Viro <viro@...iv.linux.org.uk>,
	linux-fsdevel <linux-fsdevel@...r.kernel.org>
Subject: Re: [PATCH] vfs: Don't exchange filenames unconditionally.

On Fri, Sep 19, 2014 at 4:22 PM, Mikhail Efremov <sem@...linux.ru> wrote:
> On Thu, 18 Sep 2014 13:22:07 +0200 Mateusz Guzik wrote:
>> On Thu, Sep 18, 2014 at 02:55:00PM +0400, Mikhail Efremov wrote:
>> > Only exchange source and destination filenames
>> > if flags contain RENAME_EXCHANGE.

Acked-by: Miklos Szeredi <mszeredi@...e.cz>


>>
>> But names are still exchanged without RENAME_EXCHANGE, provided they are
>> long enough.
>>
>> da1ce0670c14 introduced this behaviour also for short names and this is
>> what you are reverting here.
>>
>> That said, I think the patch is fine as an interim change, but should
>> note facts mentioned above.
>>
>> For more info please see https://lkml.org/lkml/2014/9/7/6
>
> Thanks for pointing out that thread to me, I didn't read it before
> sending the patch.
>
>> I'll be posting a RFC patch for actual problem next week.
>
> I suppose then that no sense to resend this patch right now, I'll just
> wait the proper solution from you.
> Yet this patch can be used as a temporary workaround (as you mentioned
> above) if the proper solution takes longer than expected to implement.

Yes, feel free to resend it to Linus, before 3.17 proper is out.

Also please consider adding:

Cc: stable@...r.kernel.org

Thanks,
Miklos
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