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Date: Wed, 25 Sep 2013 16:37:23 +0200 From: richard -rw- weinberger <richard.weinberger@...il.com> To: Thomas Meyer <thomas@...3r.de> Cc: Rob Landley <rob@...dley.net>, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org> Subject: Re: Copy on write hard links? On Wed, Sep 25, 2013 at 4:28 PM, Thomas Meyer <thomas@...3r.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. -- Thanks, //richard -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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