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From: Qu Wenruo <wqu@suse.de>
To: dsterba@suse.cz, Qu Wenruo <wqu@suse.com>, linux-btrfs@vger.kernel.org
Subject: Re: [Patch v5 0/7] btrfs: qgroup: Delay subtree scan to reduce overhead
Date: Thu, 24 Jan 2019 08:02:53 +0800
Message-ID: <4ee239b6-72c6-5c0e-8d2e-f4fa8d4e4a35@suse.de> (raw)
In-Reply-To: <20190123174736.GW2900@twin.jikos.cz>

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On 2019/1/24 上午1:47, David Sterba wrote:
> On Wed, Jan 23, 2019 at 03:15:11PM +0800, Qu Wenruo wrote:
>> v5:
>> - Use Josef's superior qgroup deadlock fix.
>>   No performance regression now.
> 
> Does this pass fstests on your side? Namely if test btrfs/007 does not
> crash,
> https://lore.kernel.org/linux-btrfs/20190123135120.GT2900@twin.jikos.cz/
> 

Also hit that bug.

Although it's not trigger by qgroup but a backref walk on current root
causing the problem.

Thanks,
Qu


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  reply index

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-01-23  7:15 Qu Wenruo
2019-01-23  7:15 ` [Patch v5 1/7] btrfs: qgroup: Move reserved data account from btrfs_delayed_ref_head to btrfs_qgroup_extent_record Qu Wenruo
2019-02-08 14:02   ` David Sterba
2019-01-23  7:15 ` [Patch v5 2/7] btrfs: honor path->skip_locking in backref code Qu Wenruo
2019-01-23  7:15 ` [Patch v5 3/7] btrfs: relocation: Delay reloc tree deletion after merge_reloc_roots() Qu Wenruo
2019-01-23  7:15 ` [Patch v5 4/7] btrfs: qgroup: Refactor btrfs_qgroup_trace_subtree_swap() Qu Wenruo
2019-01-23  7:15 ` [Patch v5 5/7] btrfs: qgroup: Introduce per-root swapped blocks infrastructure Qu Wenruo
2019-01-23  7:15 ` [Patch v5 6/7] btrfs: qgroup: Use delayed subtree rescan for balance Qu Wenruo
2019-01-23  7:15 ` [Patch v5 7/7] btrfs: qgroup: Cleanup old subtree swap code Qu Wenruo
2019-01-23  7:22 ` [Patch v5 0/7] btrfs: qgroup: Delay subtree scan to reduce overhead Qu Wenruo
2019-01-23 17:47 ` David Sterba
2019-01-24  0:02   ` Qu Wenruo [this message]
2019-01-24 13:36   ` Qu Wenruo
2019-01-24 19:22 ` David Sterba
2019-01-28 18:15 ` David Sterba

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