linux-kernel - Re: [PATCH 2/2] ubi: block: Fix deadlock on remove

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Date:   Tue, 23 May 2023 23:04:18 -0700
From:   Christoph Hellwig <hch@...radead.org>
To:     Vincent Whitchurch <vincent.whitchurch@...s.com>
Cc:     Richard Weinberger <richard@....at>,
        Miquel Raynal <miquel.raynal@...tlin.com>,
        Vignesh Raghavendra <vigneshr@...com>,
        linux-mtd@...ts.infradead.org, linux-kernel@...r.kernel.org,
        kernel@...s.com
Subject: Re: [PATCH 2/2] ubi: block: Fix deadlock on remove

If you imlement ->free_disk, the list_del and kfree can move into
that, and we don't really care if a new opener raced with the delete.