From: Roman Mamedov <rm@romanrm.net>
To: Robert White <rwhite@pobox.com>
Cc: linux-btrfs@vger.kernel.org
Subject: Re: Can't cp --reflink files on a Ext4-converted FS w/o checksums
Date: Thu, 27 Nov 2014 05:28:26 +0500 [thread overview]
Message-ID: <20141127052826.04bb45f5@natsu> (raw)
In-Reply-To: <54766E5C.8010909@pobox.com>
On Wed, 26 Nov 2014 16:20:44 -0800
Robert White <rwhite@pobox.com> wrote:
> I did some double checking and I think you'll find that if you lsattr
> those files they still have the C (NoCOW) attribute, which also means
> they are still unsummed.
Indeed, I looked at the top level only, which had just directories.
> (Trying to clear the NOCOW attribute on a file in BTRFS is _silently_
> ignored as invalid. That recursive removal only changed the directories.)
And the chattr command even completes with a zero exit code, this is rather
unexpected.
$ lsattr 0000\ MP3.m3u; chattr -C 0000\ MP3.m3u && echo Yay; lsattr 0000\ MP3.m3u
---------------C 0000 MP3.m3u
Yay
---------------C 0000 MP3.m3u
--
With respect,
Roman
next prev parent reply other threads:[~2014-11-27 0:28 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-11-26 19:55 Can't cp --reflink files on a Ext4-converted FS w/o checksums Roman Mamedov
2014-11-26 23:18 ` Robert White
2014-11-26 23:33 ` Roman Mamedov
2014-11-27 0:00 ` Robert White
2014-11-27 0:20 ` Roman Mamedov
2014-11-27 0:31 ` Robert White
2014-11-27 0:57 ` Robert White
2014-11-27 0:20 ` Robert White
2014-11-27 0:28 ` Roman Mamedov [this message]
2014-11-27 0:45 ` Robert White
2014-11-27 9:27 ` Duncan
2014-11-28 7:12 ` Robert White
2014-11-27 3:31 ` Liu Bo
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