linux-kernel - Re: [PATCH] test_xarray: fix failure in check_pause when CONFIG_XARRAY

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Message-ID: <CAMuHMdV6ekVdtzVxN6gCOUX5GzO08t+pouJuosfvGz7uRtgeeg@mail.gmail.com>
Date: Thu, 13 Feb 2025 12:05:35 +0100
From: Geert Uytterhoeven <geert@...ux-m68k.org>
To: Kemeng Shi <shikemeng@...weicloud.com>
Cc: willy@...radead.org, akpm@...ux-foundation.org, 
	linux-fsdevel@...r.kernel.org, linux-mm@...ck.org, 
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] test_xarray: fix failure in check_pause when
 CONFIG_XARRAY_MULTI is not defined

Hi Kemeng,

On Thu, 13 Feb 2025 at 08:40, Kemeng Shi <shikemeng@...weicloud.com> wrote:
> In case CONFIG_XARRAY_MULTI is not defined, xa_store_order can store a
> multi-index entry but xas_for_each can't tell sbiling entry from valid
> entry. So the check_pause failed when we store a multi-index entry and
> wish xas_for_each can handle it normally. Avoid to store multi-index
> entry when CONFIG_XARRAY_MULTI is disabled to fix the failure.
>
> Signed-off-by: Kemeng Shi <shikemeng@...weicloud.com>
> Reported-by: Geert Uytterhoeven <geert@...ux-m68k.org>

Thanks, this fixes the selftest on m68k/ARAnyM.

Closes: https://lore.kernel.org/r/CAMuHMdU_bfadUO=0OZ=AoQ9EAmQPA4wsLCBqohXR+QCeCKRn4A@mail.gmail.com
Fixes: c9ba5249ef8b080c ("Xarray: move forward index correctly in xas_pause()")
Tested-by: Geert Uytterhoeven <geert@...ux-m68k.org>

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org

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