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From: Christoph Hellwig <hch@infradead.org>
To: "Darrick J. Wong" <darrick.wong@oracle.com>
Cc: david@fromorbit.com, linux-xfs@vger.kernel.org,
	linux-fsdevel@vger.kernel.org, linux-btrfs@vger.kernel.org,
	ocfs2-devel@oss.oracle.com, sandeen@redhat.com
Subject: Re: [PATCH 08/15] vfs: change clone and dedupe range function pointers to return bytes completed
Date: Sat, 6 Oct 2018 03:41:34 -0700	[thread overview]
Message-ID: <20181006104134.GF25747@infradead.org> (raw)
In-Reply-To: <153870033496.29072.3660384210745578982.stgit@magnolia>

On Thu, Oct 04, 2018 at 05:45:35PM -0700, Darrick J. Wong wrote:
> From: Darrick J. Wong <darrick.wong@oracle.com>
> 
> Change the clone_file_range and dedupe_file_range functions to return
> the number of bytes they operated on.  This is the precursor to allowing
> fs implementations to return short clone/dedupe results to the user,
> which will enable us to obey resource limits in a graceful manner.

For clone this doesn't make any sense, as we don't allow 'short clones'.

  parent reply	other threads:[~2018-10-06 17:44 UTC|newest]

Thread overview: 44+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-10-05  0:44 [PATCH 00/15] fs: fixes for serious clone/dedupe problems Darrick J. Wong
2018-10-05  0:44 ` [PATCH 01/15] xfs: add a per-xfs trace_printk macro Darrick J. Wong
2018-10-05  0:44 ` [PATCH 02/15] xfs: refactor clonerange preparation into a separate helper Darrick J. Wong
2018-10-05  5:28   ` Dave Chinner
2018-10-05 17:06     ` Darrick J. Wong
2018-10-06 10:30     ` Christoph Hellwig
2018-10-05  7:02   ` Dave Chinner
2018-10-05  9:02     ` Dave Chinner
2018-10-05 17:21       ` Darrick J. Wong
2018-10-05 23:42         ` Dave Chinner
2018-10-05  0:44 ` [PATCH 03/15] xfs: zero posteof blocks when cloning above eof Darrick J. Wong
2018-10-05  5:28   ` Dave Chinner
2018-10-06 10:34   ` Christoph Hellwig
2018-10-05  0:45 ` [PATCH 04/15] xfs: update ctime and remove suid before cloning files Darrick J. Wong
2018-10-05  5:30   ` Dave Chinner
2018-10-06 10:35   ` Christoph Hellwig
2018-10-05  0:45 ` [PATCH 05/15] vfs: check file ranges " Darrick J. Wong
2018-10-06 10:38   ` Christoph Hellwig
2018-10-05  0:45 ` [PATCH 06/15] vfs: strengthen checking of file range inputs to clone/dedupe range Darrick J. Wong
2018-10-05  6:10   ` Amir Goldstein
2018-10-05 17:36     ` Darrick J. Wong
2018-10-05  0:45 ` [PATCH 07/15] vfs: skip zero-length dedupe requests Darrick J. Wong
2018-10-05  8:39   ` Amir Goldstein
2018-10-06 10:39   ` Christoph Hellwig
2018-10-05  0:45 ` [PATCH 08/15] vfs: change clone and dedupe range function pointers to return bytes completed Darrick J. Wong
2018-10-05  8:06   ` Amir Goldstein
2018-10-05 21:47     ` Darrick J. Wong
2018-10-06 10:41   ` Christoph Hellwig [this message]
2018-10-08 18:59     ` Darrick J. Wong
2018-10-05  0:45 ` [PATCH 09/15] vfs: pass operation flags to {clone, dedupe}_file_range implementations Darrick J. Wong
2018-10-05  7:07   ` Amir Goldstein
2018-10-05 17:50     ` Darrick J. Wong
2018-10-06 10:44       ` Christoph Hellwig
2018-10-05  0:45 ` [PATCH 10/15] vfs: make cloning to source file eof more explicit Darrick J. Wong
2018-10-05  6:47   ` Amir Goldstein
2018-10-05  0:45 ` [PATCH 11/15] vfs: allow short clone and dedupe operations Darrick J. Wong
2018-10-05  0:46 ` [PATCH 12/15] vfs: implement opportunistic short dedupe Darrick J. Wong
2018-10-05  6:40   ` Amir Goldstein
2018-10-05 17:42     ` Darrick J. Wong
2018-10-05  0:46 ` [PATCH 13/15] ocfs2: truncate page cache for clone destination file before remapping Darrick J. Wong
2018-10-05  0:46 ` [PATCH 14/15] ocfs2: support partial clone range and dedupe range Darrick J. Wong
2018-10-05  0:46 ` [PATCH 15/15] xfs: support returning partial reflink results Darrick J. Wong
2018-10-05  1:17 ` [PATCH 00/15] fs: fixes for serious clone/dedupe problems Dave Chinner
2018-10-05  1:24   ` Darrick J. Wong

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