From: "Pádraig Brady" <P@draigBrady.com>
To: richard -rw- weinberger <richard.weinberger@gmail.com>
Cc: Thomas Meyer <thomas@m3y3r.de>, Rob Landley <rob@landley.net>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: Copy on write hard links?
Date: Sun, 29 Sep 2013 06:22:48 +0100 [thread overview]
Message-ID: <5247B928.2070307@draigBrady.com> (raw)
In-Reply-To: <CAFLxGvzSSTbrw1HvoOaQBcPZxRbQmpiwjfbGCQtpLN7M9S93Fg@mail.gmail.com>
On 09/25/2013 03:37 PM, richard -rw- weinberger wrote:
> On Wed, Sep 25, 2013 at 4:28 PM, Thomas Meyer <thomas@m3y3r.de> wrote:
>> Am Mittwoch, den 25.09.2013, 08:59 -0500 schrieb Rob Landley:
>>> On 09/24/2013 01:36:56 PM, Thomas Meyer wrote:
>>>> Hi,
>>>>
>>>> Is there such a thing?
>>>
>>> In the kernel's vfs layer?
>>
>> Yes, that would be a nice feature!
>
> You mean reflinks?
> Currently only OCFS2 and btrfs support them.
> Both using a fs specific ioctl().
> IIRC GNU cp uses the btrfs specific one if the --reflink parameter is used.
coreutils is waiting for a reflink syscall to materialize
rather than adding new per filesystem support
http://lwn.net/Articles/335380/
thanks,
Pádraig.
next prev parent reply other threads:[~2013-09-29 5:34 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-09-24 18:36 Copy on write hard links? Thomas Meyer
2013-09-25 1:40 ` Adam Borowski
2013-09-25 13:59 ` Rob Landley
2013-09-25 14:28 ` Thomas Meyer
2013-09-25 14:37 ` richard -rw- weinberger
2013-09-29 5:22 ` Pádraig Brady [this message]
2013-09-29 7:14 ` Richard Weinberger
2013-09-29 17:19 ` Pádraig Brady
2013-12-13 22:58 ` Jörn Engel
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