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Date: Wed, 14 Aug 2024 08:46:23 -0600
From: Keith Busch <kbusch@kernel.org>
To: John Garry <john.g.garry@oracle.com>
Cc: linux-xfs@vger.kernel.org, linux-scsi@vger.kernel.org,
	linux-block@vger.kernel.org, linux-raid@vger.kernel.org, hch@lst.de,
	axboe@kernel.dk, martin.petersen@oracle.com
Subject: Re: [bug report] raid0 array mkfs.xfs hang
Message-ID: <ZrzDP5c7bRyh7UnE@kbusch-mbp>
References: <8292cfd7-eb9c-4ca7-8eec-321b3738857b@oracle.com>
 <4d31268f-310b-4220-88a2-e191c3932a82@oracle.com>
 <ea82050f-f5a4-457d-8603-2f279237c8be@oracle.com>
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In-Reply-To: <ea82050f-f5a4-457d-8603-2f279237c8be@oracle.com>

On Wed, Aug 14, 2024 at 03:00:06PM +0100, John Garry wrote:
> 
> The value max write zeroes value is changing in raid0_map_submit_bio() ->
> mddev_check_write_zeroes()

Your change looks fine, though it sounds odd that md raid is changing
queue_limit values outside the limits_lock. The stacking limits should
have set the md device to 0 if one of the member drives doesn't support
write_zeroes, right?