linux-kernel - Re: [PATCH v4 3/7] btrfs: split RAID stripes on deletion

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Message-ID: <50d64ebb-857b-45ad-9f98-70353dfef535@wdc.com>
Date: Mon, 8 Jul 2024 10:52:16 +0000
From: Johannes Thumshirn <Johannes.Thumshirn@....com>
To: Qu Wenruo <quwenruo.btrfs@....com>, Johannes Thumshirn <jth@...nel.org>,
	Chris Mason <clm@...com>, Josef Bacik <josef@...icpanda.com>, David Sterba
	<dsterba@...e.com>
CC: "linux-btrfs@...r.kernel.org" <linux-btrfs@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v4 3/7] btrfs: split RAID stripes on deletion

On 08.07.24 07:26, Johannes Thumshirn wrote:
> On 08.07.24 07:20, Qu Wenruo wrote:
>>
>> Can the ASSERT() be reproduced without a zoned device? (I'm really not a
>> fan of the existing tcmu emulated solution, meanwhile libvirt still
>> doesn't support ZNS devices)
>>
>> If it can be reproduced just with RST feature, I may provide some help
>> digging into the ASSERT().
> 
> Let me check. It's very sporadic as well unfortunately.
> 
> 

OK, I've managed to trigger the failure with btrfs/070 on a 
SCRATCH_DEV_POOL with 5 non-zoned devices.