linux-kernel - Re: [PATCH 1/2] fault-inject: allow configuration via configfs

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Date:   Sun, 16 Apr 2023 01:50:47 +0900
From:   Akinobu Mita <akinobu.mita@...il.com>
To:     Geert Uytterhoeven <geert@...ux-m68k.org>
Cc:     linux-kernel@...r.kernel.org, linux-block@...r.kernel.org,
        akpm@...ux-foundation.org, axboe@...nel.dk,
        Linux-Next <linux-next@...r.kernel.org>
Subject: Re: [PATCH 1/2] fault-inject: allow configuration via configfs

2023年4月15日(土) 23:53 Geert Uytterhoeven <geert@...ux-m68k.org>:
>
> Hi Mita-san,
>
> On Mon, Mar 27, 2023 at 4:48 PM Akinobu Mita <akinobu.mita@...il.com> wrote:
> > This provides a helper function to allow configuration of fault-injection
> > for configfs-based drivers.
> >
> > The config items created by this function have the same interface as the
> > one created under debugfs by fault_create_debugfs_attr().
> >
> > Signed-off-by: Akinobu Mita <akinobu.mita@...il.com>
>
> Thanks for your patch, which is now commit 4668c7a2940d134b
> ("fault-inject: allow configuration via configfs") in linux-next
> (to be tagged soon as next-20140414).
>
> > --- a/lib/Kconfig.debug
> > +++ b/lib/Kconfig.debug
> > @@ -1977,9 +1977,20 @@ config FAIL_SUNRPC
> >           Provide fault-injection capability for SunRPC and
> >           its consumers.
> >
> > +config FAULT_INJECTION_CONFIGFS
> > +       bool "Configfs interface for fault-injection capabilities"
> > +       depends on FAULT_INJECTION && CONFIGFS_FS
>
> noreply@...erman.id.au reported build failures for e.g. m68k-allmodconfig
> http://kisskb.ellerman.id.au/kisskb/buildresult/14911188/:
>
> fault-inject.c:(.text+0x1ee): undefined reference to
> `config_group_init_type_name'
>
> This fails because FAULT_INJECTION=y but CONFIGFS_FS=m.

Oh, I just sent that build fix patch.
https://lore.kernel.org/all/20230415125705.180426-1-akinobu.mita@gmail.com/

Could you please check if this is the correct way to fix it?