From: "Austin S. Hemmelgarn" <ahferroin7@gmail.com>
To: linux-btrfs@vger.kernel.org
Subject: Re: A user cannot remove his readonly snapshots?!
Date: Mon, 18 Sep 2017 07:36:12 -0400 [thread overview]
Message-ID: <7600502f-bad7-9802-1a0b-146869236133@gmail.com> (raw)
In-Reply-To: <20170915193211.GE32347@rus.uni-stuttgart.de>
On 2017-09-15 15:32, Ulli Horlacher wrote:
> On Fri 2017-09-15 (13:08), Austin S. Hemmelgarn wrote:
>> On 2017-09-15 12:37, Ulli Horlacher wrote:
>>
>>> I have my btrfs filesystem mounted with option user_subvol_rm_allowed
>>> tux@xerus: btrfs subvolume delete /test/tux/zz/.snapshot/2017-09-15_1824.test
>>> Delete subvolume (no-commit): '/test/tux/zz/.snapshot/2017-09-15_1824.test'
>>> ERROR: cannot delete '/test/tux/zz/.snapshot/2017-09-15_1824.test': Read-only file system
>>>
>>> root can delete this snapshot, but not the user. Why?
>>>
>>
>> Add 'user_subvol_rm' to the mount options and try again.
>
> root@xerus:~# mount -vo user_subvol_rm /dev/sdd4 /test
> mount: wrong fs type, bad option, bad superblock on /dev/sdd4,
> missing codepage or helper program, or other error
>
> In some cases useful info is found in syslog - try
> dmesg | tail or so.
>
> root@xerus:~# dmesg | tail -2
> [1514588.018991] BTRFS info (device sdd4): unrecognized mount option 'user_subvol_rm'
> [1514588.028430] BTRFS: open_ctree failed
>
> user_subvol_rm is not listed on
> https://btrfs.wiki.kernel.org/index.php/Mount_options
>
> Did you mean user_subvol_rm_allowed?
Yes, that's what I meant, sorry about the confusion.
> I have already used this option, without success. See above.
I missed that, sorry.
next prev parent reply other threads:[~2017-09-18 11:36 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-09-15 16:37 A user cannot remove his readonly snapshots?! Ulli Horlacher
2017-09-15 17:08 ` Austin S. Hemmelgarn
2017-09-15 19:32 ` Ulli Horlacher
2017-09-18 11:36 ` Austin S. Hemmelgarn [this message]
2017-09-15 21:07 ` Peter Grandi
2017-09-15 21:44 ` Ulli Horlacher
2017-09-15 22:02 ` Ulli Horlacher
2017-09-15 23:22 ` Kai Krakow
2017-09-16 7:36 ` Ulli Horlacher
2017-09-16 11:29 ` Kai Krakow
2017-09-16 9:04 ` Goffredo Baroncelli
2017-09-16 9:22 ` Ulli Horlacher
2017-09-16 9:16 ` Peter Grandi
2017-09-16 8:10 ` Goffredo Baroncelli
2017-09-16 8:54 ` Ulli Horlacher
2017-09-16 10:19 ` Ulli Horlacher
2017-09-16 10:43 ` Marat Khalili
2017-09-16 11:47 ` Kai Krakow
2017-09-16 14:28 ` Ulli Horlacher
2017-09-18 11:39 ` Austin S. Hemmelgarn
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