From: Roman Mamedov <rm@romanrm.net>
To: cdlscpmv <cdlscpmv@gmail.com>
Cc: linux-btrfs@vger.kernel.org
Subject: Re: Can't remove read-only snapshot with immutable flag set
Date: Wed, 8 Jun 2016 14:23:23 +0500 [thread overview]
Message-ID: <20160608142323.265d2f35@natsu> (raw)
In-Reply-To: <20160608083757.GA30823@localhost>
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On Wed, 8 Jun 2016 08:37:57 +0000
cdlscpmv <cdlscpmv@gmail.com> wrote:
> It happened that I set the immutable flag (via `chattr +i`) on a subvolume.
> Then I made a read-only snapshot of that subvolume. Now I can't remove
> this snapshot.
>
> #> btrfs subvolume delete my_snapshot
> Delete subvolume (no-commit): 'my_snapshot'
> ERROR: cannot delete 'my_snapshot': Operation not permitted
> #> chattr -i my_snapshot
> chattr: Read-only file system while setting flags on my_snapshot
> #> btrfs --version
> btrfs-progs v4.4.1
> #> uname -r
> 4.5.2
>
> Is there any other way to do this? Or is it a bug?
You could try doing:
btrfs property set my_snapshot ro false
normally this should change it to a read-write snapshot. But it seems like
changing btrfs properties is also blocked by chattr +i (at least I can't
change compression methods on a +i file).
--
With respect,
Roman
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next prev parent reply other threads:[~2016-06-08 9:23 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-06-08 8:37 Can't remove read-only snapshot with immutable flag set cdlscpmv
2016-06-08 9:23 ` Roman Mamedov [this message]
2016-06-08 10:47 ` Noah Massey
2016-06-08 11:01 ` cdlscpmv
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