From: Adam Borowski <kilobyte@angband.pl>
To: Thomas Meyer <thomas@m3y3r.de>
Cc: "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: Copy on write hard links?
Date: Wed, 25 Sep 2013 03:40:42 +0200 [thread overview]
Message-ID: <20130925014042.GA30393@angband.pl> (raw)
In-Reply-To: <0EF3994A-6BC7-4FC7-AD2D-B4BE087EBFCA@m3y3r.de>
On Tue, Sep 24, 2013 at 08:36:56PM +0200, Thomas Meyer wrote:
> Is there such a thing?
In mainline, AFAIK no. The vserver patchset, on the other hand, adds a new
xattr, iunlink, that copies the whole file when needed. That works on most
filesystems.
That's quite a hack, though, and I think you'd be better off using btrfs
which does cow transparently at a lower level than hardlinks.
--
ᛊᚨᚾᛁᛏᚣ᛫ᛁᛊ᛫ᚠᛟᚱ᛫ᚦᛖ᛫ᚹᛖᚨᚲ
next prev parent reply other threads:[~2013-09-25 1:40 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-09-24 18:36 Thomas Meyer
2013-09-25 1:40 ` Adam Borowski [this message]
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
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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