linux-fsdevel.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Christoph Hellwig <hch@infradead.org>
To: "Darrick J. Wong" <darrick.wong@oracle.com>
Cc: Omar Sandoval <osandov@osandov.com>,
	linux-btrfs@vger.kernel.org, linux-fsdevel@vger.kernel.org
Subject: Re: FIDEDUPERANGE with src_length == 0
Date: Wed, 13 Jul 2016 19:47:16 -0700	[thread overview]
Message-ID: <20160714024716.GA19147@infradead.org> (raw)
In-Reply-To: <20160713052643.GD13625@birch.djwong.org>

On Tue, Jul 12, 2016 at 10:26:43PM -0700, Darrick J. Wong wrote:
> It's a shortcut that we're introducing in the upcoming XFS implementation,
> since it shares the same back end as clone/clonerange, which both have
> this behavior.

We will have to preserve the existing btrfs semantics when reusing the
ioctl number.

      parent reply	other threads:[~2016-07-14  2:47 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-07-12  0:35 FIDEDUPERANGE with src_length == 0 Omar Sandoval
2016-07-13  5:26 ` Darrick J. Wong
2016-07-13 13:19   ` David Sterba
2016-07-14 18:06     ` Darrick J. Wong
2016-07-14 18:12       ` Chris Mason
2016-07-14 18:16         ` Omar Sandoval
2016-07-15 16:54           ` Darrick J. Wong
2016-08-01 19:32           ` Darrick J. Wong
2016-07-14  2:47   ` Christoph Hellwig [this message]

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20160714024716.GA19147@infradead.org \
    --to=hch@infradead.org \
    --cc=darrick.wong@oracle.com \
    --cc=linux-btrfs@vger.kernel.org \
    --cc=linux-fsdevel@vger.kernel.org \
    --cc=osandov@osandov.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).