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Date: Tue, 4 Aug 2026 14:37:03 +0200
From: Christoph Hellwig <hch@lst.de>
To: raoxu <raoxu@uniontech.com>
Cc: dlemoal@kernel.org, axboe@kernel.dk, hch@lst.de,
	linux-block@vger.kernel.org, linux-kernel@vger.kernel.org,
	stable@vger.kernel.org
Subject: Re: [PATCH v2] zloop: truncate finished zones to zone capacity
Message-ID: <20260804123703.GB6661@lst.de>
References: <78d0627b-e711-4ce2-84ac-6e501898407c@kernel.org> <B39E5FD81D1A07F4+20260804023403.939767-1-raoxu@uniontech.com>
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On Tue, Aug 04, 2026 at 10:34:03AM +0800, raoxu wrote:
> However, zloop_finish_zone() currently truncates the backing file to the
> zone size. For devices with a reduced zone capacity, finishing a zone
> therefore creates a backing file larger than the zone capacity. After the
> device is removed and later re-added, that zone file is rejected instead
> of being restored as a full zone.

Can you add a blktests test case for this?