linux-ext4 - Re: [PATCH 0/5] ext4/overlayfs: fiemap related fixes

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Message-ID: <20200425094350.GA11881@infradead.org>
Date:   Sat, 25 Apr 2020 02:43:50 -0700
From:   Christoph Hellwig <hch@...radead.org>
To:     Amir Goldstein <amir73il@...il.com>
Cc:     Ritesh Harjani <riteshh@...ux.ibm.com>,
        Christoph Hellwig <hch@...radead.org>,
        Ext4 <linux-ext4@...r.kernel.org>, Jan Kara <jack@...e.cz>,
        Theodore Tso <tytso@....edu>,
        Andreas Dilger <adilger@...ger.ca>,
        "Darrick J. Wong" <darrick.wong@...cle.com>,
        Alexander Viro <viro@...iv.linux.org.uk>,
        Dan Carpenter <dan.carpenter@...cle.com>,
        "Aneesh Kumar K . V" <aneesh.kumar@...ux.ibm.com>,
        Murphy Zhou <jencce.kernel@...il.com>,
        Miklos Szeredi <miklos@...redi.hu>,
        linux-fsdevel <linux-fsdevel@...r.kernel.org>,
        overlayfs <linux-unionfs@...r.kernel.org>
Subject: Re: [PATCH 0/5] ext4/overlayfs: fiemap related fixes

On Sat, Apr 25, 2020 at 12:11:59PM +0300, Amir Goldstein wrote:
> FWIW, I agree with you.
> And seems like Jan does as well, since he ACKed all your patches.
> Current patches would be easier to backport to stable kernels.

Honestly, the proper fix is pretty much trivial.  I wrote it up this
morning over coffee:

    http://git.infradead.org/users/hch/misc.git/shortlog/refs/heads/fiemap-fix

Still needs more testing, though.