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Date:   Mon, 19 Mar 2018 02:29:29 -0400
From:   Kevin Easton <kevin@guarana.org>
To:     Dominik Brodowski <linux@dominikbrodowski.net>
Cc:     linux-kernel@vger.kernel.org, torvalds@linux-foundation.org,
        arnd@arndb.de, viro@ZenIV.linux.org.uk, linux-arch@vger.kernel.org,
        Ralf Baechle <ralf@linux-mips.org>,
        James Hogan <jhogan@kernel.org>, linux-mips@linux-mips.org,
        Benjamin Herrenschmidt <benh@kernel.crashing.org>,
        Paul Mackerras <paulus@samba.org>,
        Michael Ellerman <mpe@ellerman.id.au>,
        linuxppc-dev@lists.ozlabs.org,
        Martin Schwidefsky <schwidefsky@de.ibm.com>,
        Heiko Carstens <heiko.carstens@de.ibm.com>,
        linux-s390@vger.kernel.org,
        "David S . Miller" <davem@davemloft.net>,
        sparclinux@vger.kernel.org, Ingo Molnar <mingo@redhat.com>,
        Jiri Slaby <jslaby@suse.com>, x86@kernel.org
Subject: Re: [RFC PATCH 2/6] fs: provide a generic compat_sys_truncate64()
 implementation
Message-ID: <20180319062928.GA11309@la.guarana.org>
References: <20180318161056.5377-1-linux@dominikbrodowski.net>
 <20180318161056.5377-3-linux@dominikbrodowski.net>
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On Sun, Mar 18, 2018 at 05:10:52PM +0100, Dominik Brodowski wrote:
> The compat_sys_truncate64() implementations in mips, powerpc, s390, sparc
> and x86 only differed based on whether the u64 parameter needed padding
> and on its endianness.
> 

...
  
> +#ifdef __ARCH_WANT_COMPAT_SYS_TRUNCATE64
> +#if defined(__ARCH_WANT_COMPAT_SYS_WITH_PADDING) && \
> +	defined(__ARCH_WANT_LE_COMPAT_SYS)
> +COMPAT_SYSCALL_DEFINE4(truncate64, const char __user *, filename, u32 padding,
> +		       unsigned int, offset_low, unsigned int, offset_high)
> +#elif defined(__ARCH_WANT_COMPAT_SYS_WITH_PADDING) && \
> +	!defined(__ARCH_WANT_LE_COMPAT_SYS)
> +COMPAT_SYSCALL_DEFINE4(truncate64, const char __user *, filename, u32 padding,
> +		       unsigned int, offset_high, unsigned int, offset_low)

Notwithstanding the other comments, shouldn't there be a comma between
'u32' and 'padding' in those?

    - Kevin