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Date:   Mon, 17 Aug 2020 20:55:36 -0400
From:   Sasha Levin <>
To:     Andreas Gr├╝nbacher 
Cc:     Greg Kroah-Hartman <>,
        Linux Kernel Mailing List <>,, Andreas Gruenbacher <>,
        Christoph Hellwig <>,
        "Darrick J. Wong" <>
Subject: Re: [PATCH 5.8 214/464] iomap: Make sure iomap_end is called after

On Mon, Aug 17, 2020 at 09:56:02PM +0200, Andreas Gr├╝nbacher wrote:
>Am Mo., 17. Aug. 2020 um 21:39 Uhr schrieb Greg Kroah-Hartman
>> From: Andreas Gruenbacher <>
>> [ Upstream commit 856473cd5d17dbbf3055710857c67a4af6d9fcc0 ]
>> Make sure iomap_end is always called when iomap_begin succeeds.
>> Without this fix, iomap_end won't be called when a filesystem's
>> iomap_begin operation returns an invalid mapping, bypassing any
>> unlocking done in iomap_end.  With this fix, the unlocking will still
>> happen.
>> This bug was found by Bob Peterson during code review.  It's unlikely
>> that such iomap_begin bugs will survive to affect users, so backporting
>> this fix seems unnecessary.
>this doesn't need to be backported.

Now dropped, thanks!


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