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From: David Sterba <dsterba@suse.cz>
To: Qu Wenruo <quwenruo.btrfs@gmx.com>
Cc: dsterba@suse.cz, Qu Wenruo <wqu@suse.com>, linux-btrfs@vger.kernel.org
Subject: Re: [PATCH] btrfs-progs: parse-utils: allow single number qgroup id
Date: Wed, 13 Oct 2021 14:42:26 +0200	[thread overview]
Message-ID: <20211013124226.GE9286@twin.jikos.cz> (raw)
In-Reply-To: <bf23e581-e03a-7254-b6d7-b9d67efaadc0@gmx.com>

On Tue, Oct 12, 2021 at 06:59:30PM +0800, Qu Wenruo wrote:
> 
> 
> On 2021/10/11 21:21, David Sterba wrote:
> > On Mon, Oct 11, 2021 at 03:09:37PM +0800, Qu Wenruo wrote:
> >> [BUG]
> >> Since btrfs-progs v5.14, fstests/btrfs/099 always fail with the
> >> following output in 099.full:
> >>
> >>    ...
> >>    # /usr/bin/btrfs quota enable /mnt/scratch
> >>    # /usr/bin/btrfs qgroup limit 134217728 5 /mnt/scratch
> >>    ERROR: invalid qgroupid or subvolume path: 5
> >>    failed: '/usr/bin/btrfs qgroup limit 134217728 5 /mnt/scratch'
> >>
> >> [CAUSE]
> >> Since commit cb5a542871f9 ("btrfs-progs: factor out plain qgroupid
> >> parsing"), btrfs qgroup parser no longer accepts single number qgroup id
> >> like "5" used in that test case.
> >>
> >> That commit is not a plain refactor without functional change, but
> >> removed a simple feature.
> >>
> >> [FIX]
> >> Add back the handling for single number qgroupid.
> >
> > This unfortunately breaks something else, as it's changing the whole
> > parse_qgroupid helper to accept single value id, which is also used for
> > 'qgroup create'.
> 
> For 'qgroup create' I think it's OK to accept single value id.
> 
> It's a handy shortcut for '0/<subvolid>'.

The 0/subvolid qgroup cannot be created manually IIRC.

  reply	other threads:[~2021-10-13 12:42 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-10-11  7:09 [PATCH] btrfs-progs: parse-utils: allow single number qgroup id Qu Wenruo
2021-10-11  7:32 ` Nikolay Borisov
2021-10-11 13:21 ` David Sterba
2021-10-12 10:59   ` Qu Wenruo
2021-10-13 12:42     ` David Sterba [this message]
2021-10-13 12:55       ` Qu Wenruo

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