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Date:   Wed, 14 Oct 2020 15:47:55 +0200
From:   Geert Uytterhoeven <>
To:     Pujin Shi <>
Cc:     Chris Mason <>, Josef Bacik <>,
        David Sterba <>,
        Nikolay Borisov <>, Qu Wenruo <>,
        linux-btrfs <>,
        Linux Kernel Mailing List <>
Subject: Re: [PATCH] fs: btrfs: Fix incorrect printf qualifier

On Wed, Oct 14, 2020 at 11:24 AM Pujin Shi <> wrote:
> This patch addresses a compile warning:
> fs/btrfs/extent-tree.c: In function '__btrfs_free_extent':
> fs/btrfs/extent-tree.c:3187:4: warning: format '%lu' expects argument of type 'long unsigned int', but argument 8 has type 'unsigned int' [-Wformat=]
> Fixes: 3b7b6ffa4f8f ("btrfs: extent-tree: kill BUG_ON() in __btrfs_free_extent()")
> Signed-off-by: Pujin Shi <>

Acked-by: Geert Uytterhoeven <>



Geert Uytterhoeven -- There's lots of Linux beyond ia32 --

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds

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