netdev - Re: [PATCH iproute2-next v3] lib/fs: fix issue when {name,open}_to_handle

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Message-ID: <YKKprl2ukkR7Djv+@pevik>
Date:   Mon, 17 May 2021 19:36:46 +0200
From:   Petr Vorel <petr.vorel@...il.com>
To:     David Ahern <dsahern@...il.com>
Cc:     Heiko Thiery <heiko.thiery@...il.com>, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, stephen@...workplumber.org,
        Dmitry Yakunin <zeil@...dex-team.ru>
Subject: Re: [PATCH iproute2-next v3] lib/fs: fix issue when
 {name,open}_to_handle_at() is not implemented

> On 5/8/21 12:49 AM, Heiko Thiery wrote:
> > With commit d5e6ee0dac64 the usage of functions name_to_handle_at() and
> > open_by_handle_at() are introduced. But these function are not available
> > e.g. in uclibc-ng < 1.0.35. To have a backward compatibility check for the
> > availability in the configure script and in case of absence do a direct
> > syscall.

> > Fixes: d5e6ee0dac64 ("ss: introduce cgroup2 cache and helper functions")
> > Cc: Dmitry Yakunin <zeil@...dex-team.ru>
> > Cc: Petr Vorel <petr.vorel@...il.com>
> > Signed-off-by: Heiko Thiery <heiko.thiery@...il.com>
> > ---
> > v3:
> >  - use correct syscall number (thanks to Petr Vorel)
> >  - add #include <sys/syscall.h> (thanks to Petr Vorel)
> >  - remove bogus parameters (thanks to Petr Vorel)
> >  - fix #ifdef (thanks to Petr Vorel)
> >  - added Fixes tag (thanks to David Ahern)
> >  - build test with buildroot 2020.08.3 using uclibc 1.0.34

> > v2:
> >  - small correction to subject
> >  - removed IP_CONFIG_HANDLE_AT:=y option since it is not required
> >  - fix indentation in check function
> >  - removed empty lines (thanks to Petr Vorel)
> >  - add #define _GNU_SOURCE in check (thanks to Petr Vorel)
> >  - check only for name_to_handle_at (thanks to Petr Vorel)

> >  configure | 28 ++++++++++++++++++++++++++++
> >  lib/fs.c  | 25 +++++++++++++++++++++++++
> >  2 files changed, 53 insertions(+)


> applied to iproute2-next.

Thanks a lot!

I guess, it'll be merged to regular iproute2 in next merge window (for 5.14).

Kind regards,
Petr