linux-kernel - Re: [PATCH] btrfs: Fix 64-bit divisions in btrfs_commit_stats

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Message-ID: <20220616193313.GE20633@twin.jikos.cz>
Date:   Thu, 16 Jun 2022 21:33:13 +0200
From:   David Sterba <dsterba@...e.cz>
To:     Geert Uytterhoeven <geert@...ux-m68k.org>
Cc:     Ioannis Angelakopoulos <iangelak@...com>, Chris Mason <clm@...com>,
        Josef Bacik <josef@...icpanda.com>,
        David Sterba <dsterba@...e.com>, linux-btrfs@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] btrfs: Fix 64-bit divisions in btrfs_commit_stats_show()
 on 32-bit

On Thu, Jun 16, 2022 at 10:08:14AM +0200, Geert Uytterhoeven wrote:
> On 32-bit (e.g. m68k):
> 
>     ERROR: modpost: "__udivdi3" [fs/btrfs/btrfs.ko] undefined!
> 
> Fix this by using div_u64() instead.
> 
> Reported-by: noreply@...erman.id.au
> Fixes: e665ec2ab6e1ae36 ("btrfs: Expose the BTRFS commit stats through sysfs")
> Signed-off-by: Geert Uytterhoeven <geert@...ux-m68k.org>

Folded to the patch, thanks.