From: Chris Mason <chris.mason@oracle.com>
To: Sage Weil <sage@newdream.net>
Cc: linux-btrfs@vger.kernel.org
Subject: Re: [PATCH] btrfs: allow clone of an arbitrary file range
Date: Fri, 14 Nov 2008 09:38:41 -0500 [thread overview]
Message-ID: <1226673521.26512.2.camel@think.oraclecorp.com> (raw)
In-Reply-To: <Pine.LNX.4.64.0810301221050.32010@cobra.newdream.net>
On Thu, 2008-10-30 at 12:32 -0700, Sage Weil wrote:
> Hi,
>
> This patch adds an additional CLONE_RANGE ioctl to clone an arbitrary
> (block-aligned) file range to another file. The original CLONE ioctl
> becomes a special case of cloning the entire file range. The logic is a
> bit more complex now since ranges may be cloned to different offsets, and
> because we may only be cloning the beginning or end of a particular extent
> or checksum item.
>
Just FYI, I've pushed this out to the unstable tree. Please let me
know if you have any problems using it.
-chris
next prev parent reply other threads:[~2008-11-14 14:38 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-10-30 19:32 [PATCH] btrfs: allow clone of an arbitrary file range Sage Weil
2008-11-14 14:38 ` Chris Mason [this message]
2008-11-14 20:43 ` Sage Weil
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